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\*\*deps:\*\* Update module github.com/prometheus/client\_golang to v1.21.1 (main) ([#16552](https://github.com/grafana/loki/issues/16552)) ([0a697f9](https://github.com/grafana/loki/commit/0a697f9f30dcd54588a59c7db7a3ef14ca2c9095)) \* \*\*deps:\*\* Update module github.com/prometheus/prometheus to v0.302.1 (main) ([#1... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-5.md | main | loki | [
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\* \*\*helm:\*\* Change object\_store.prefix to object\_store.storage\_prefix in helm ([#16266](https://github.com/grafana/loki/issues/16266)) ([b5ad4f0](https://github.com/grafana/loki/commit/b5ad4f09ee7ca93ab42f7d387eeb4db23767781f)) \* \*\*helm:\*\* Disable service monitor for nginx service ([#12746](https://github.... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-5.md | main | loki | [
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# V2.4 Loki 2.4 focuses on two items: \* Making it easier to get your logs into Loki. \* Making Loki easier to run and operate. Anyone not using Kubernetes or avoiding microservices should pay close attention: this release has a lot for you. ## Features and enhancements \* [\*\*Loki no longer requires logs to be sent i... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v2-4.md | main | loki | [
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30m | 0s | | query\_ingesters\_within | 3h | 0s | | max\_chunk\_age | 2h | 1h | | max\_concurrent | 10 | 20 | ## Bug fixes ### 2.4.2 bug fixes 2.4.2 fixes these bugs: - [PR 4968](https://github.com/grafana/loki/pull/4968) \*\*trevorwhitney\*\*: Fixes a bug in which querying ingesters wrongly returns a ruler, causing th... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v2-4.md | main | loki | [
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# v3.2 Grafana Labs and the Loki team are excited to announce the release of Loki 3.2. Explore Logs is also now Generally Available. Upgrade to Loki/GEL 3.2 to get the best possible experience with Explore Logs. Here's a summary of new enhancements and important fixes. For a full list of all changes and fixes, refer to... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-2.md | main | loki | [
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[API endpoint deprecations](https://grafana.com/docs/loki//reference/api/#deprecated-endpoints). To learn more about breaking changes in this release, refer to the [Upgrade guide](https://grafana.com/docs/loki//setup/upgrade/). {{< docs/shared source="alloy" lookup="agent-deprecation.md" version="next" >}} ## Upgrade C... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-2.md | main | loki | [
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test ([#13722](https://github.com/grafana/loki/issues/13722)) ([4cbe2a6](https://github.com/grafana/loki/commit/4cbe2a6a85c3095f66610cffd32cb3d3bdd43b3f)). - \*\*ci:\*\* Add cleanup step into job `dist` ([#13801](https://github.com/grafana/loki/issues/13801)) ([217f928](https://github.com/grafana/loki/commit/217f928f52... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-2.md | main | loki | [
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ingesters when converting global to local limits for streams in limiter.go ([#13321](https://github.com/grafana/loki/issues/13321)) ([e28c15f](https://github.com/grafana/loki/commit/e28c15f56c2aab62eecbaa382055eac99fc3a581)). - \*\*ingester:\*\* Update fixed limit once streams ownership re-checked ([#13231](https://git... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-2.md | main | loki | [
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# V2.3 The Loki team is excited to announce the release of Loki 2.3! It's been nearly 6 months since 2.2 was released and we have made good use of that time to bring forward several significant improvements and requested features. 2.3 is also the first version of Loki released under the AGPLv3 license. You can [read mo... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v2-3.md | main | loki | [
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guidance. One change we consider noteworthy however is: \* [3216](https://github.com/grafana/loki/pull/3216) \*\*sandeepsukhani\*\*: check for stream selectors to have at least one equality matcher. This change now rejects any query which does not contain at least one equality matcher, an example may better illustrate:... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v2-3.md | main | loki | [
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0.0309705... | 0.091751 |
# v3.6 Grafana Labs and the Loki team are excited to announce the release of Loki 3.6. Here's a summary of new enhancements and important fixes. For a full list of all changes and fixes, refer to the [CHANGELOG](https://github.com/grafana/loki/blob/release-3.6.x/CHANGELOG.md) {{< admonition type="note" >}} See the [dep... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-6.md | main | loki | [
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builder ([#17843](https://github.com/grafana/loki/issues/17843)) (#17843) \* \*\*compactor HS:\*\* Add jsonnet for deploying horizontally scalable compactor ([#18550](https://github.com/grafana/loki/issues/18550)) ([5e28950](https://github.com/grafana/loki/commit/5e28950556c6ba0f97db8b5450bec89c82fbd682)) \* \*\*compac... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-6.md | main | loki | [
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password ([#17049](https://github.com/grafana/loki/issues/17049)) ([20b97f7](https://github.com/grafana/loki/commit/20b97f77b0ae381f0c6dc16368f34e27f0e81141)) \* \*\*helm:\*\* Allow setting labels for ingesters ([#18536](https://github.com/grafana/loki/issues/18536)) ([ab426be](https://github.com/grafana/loki/commit/ab... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-6.md | main | loki | [
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... | 0.105805 |
Community maintained Helm charts have been deprecated: - [LGTM-distributed](https://github.com/grafana/helm-charts/tree/main/charts/lgtm-distributed) - [loki-canary](https://github.com/grafana/helm-charts/tree/main/charts/loki-canary) - [loki-distributed](https://github.com/grafana/helm-charts/tree/main/charts/loki-dis... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-6.md | main | loki | [
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0... | 0.061652 |
Do not override S3 region if already specified in configuration chain (backport release-3.6.x) ([#20128](https://github.com/grafana/loki/issues/20128)) ([38582ac](https://github.com/grafana/loki/commit/38582ac8dcce1397580dddd1ecac51692bad7413)). \* Fix regression in S3 client configuration (backport release-3.6.x) ([#2... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-6.md | main | loki | [
-0.1098795235157013,
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(main)([#18854](https://github.com/grafana/loki/issues/18854)) \* \*\*deps:\*\* Update dependency @radix-ui/react-tabs to v1.1.9 (main) ([#17389](https://github.com/grafana/loki/issues/17389)) ([23a2f2d](https://github.com/grafana/loki/commit/23a2f2d0efde80d48acfb7f2561ad2cafe02b62f)) \* \*\*deps:\*\* Update dependency... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-6.md | main | loki | [
-0.1220385804772377,
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0.0208363626152277,
0.000660818419419229,
0.008956476114690304,
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0.09015... | 0.120273 |
\*\*deps:\*\* Update module github.com/twmb/franz-go/pkg/kmsg to v1.11.2 (main) ([#17258](https://github.com/grafana/loki/issues/17258)) ([7c47a3e](https://github.com/grafana/loki/commit/7c47a3e46d6d976b397c0e9f191e4d4f2a369e35)) \* \*\*deps:\*\* Update module github.com/twmb/franz-go/plugin/kotel to v1.6.0 (main) ([#1... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-6.md | main | loki | [
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0.0010334685212001204,
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volumes ([#17680](https://github.com/grafana/loki/issues/17680)) ([8e61a5b](https://github.com/grafana/loki/commit/8e61a5bd23a9d388f9111ea824aaf73aa37366ff)) \* \*\*helm:\*\* Allow metrics networkpolicy only from namespace ([#17555](https://github.com/grafana/loki/issues/17555)) ([3a9b8e8](https://github.com/grafana/lo... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-6.md | main | loki | [
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and validate expression in label\_replace ([#18470](https://github.com/grafana/loki/issues/18470)) ([d379de5](https://github.com/grafana/loki/commit/d379de501f93be62cb0f72948794276e817d2599)) \* \*\*logql:\*\* Implement approx-topk function on querier ([#17816](https://github.com/grafana/loki/issues/17816)) \* \*\*logq... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-6.md | main | loki | [
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0.028... | 0.131872 |
# V2.7 Grafana Labs is excited to announce the release of Loki 2.7. Here's a summary of new enhancements and important fixes: ## Features and enhancements - \*\*New Internal Server and TLS\*\* TLS can now be configured everywhere and there is an internal server to allow ring, memberlist, and readiness handlers to conti... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v2-7.md | main | loki | [
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404" ts=2022-10-18T14:13:41.598697295Z caller=spanlogger.go:80 user=application level=error msg="failed loading deletes for user" err="unexpected status code: 404" ``` \* Change default deletion mode to `filter-only` on account of the bug (see below). #### Known Issues \* There is a bug with the experimental deletion m... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v2-7.md | main | loki | [
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# v3.7 Grafana Labs and the Loki team are excited to announce the release of Loki 3.7. Here's a summary of new enhancements and important fixes. For a full list of all changes and fixes, refer to the [CHANGELOG](https://github.com/grafana/loki/blob/release-3.7.x/CHANGELOG.md) {{< admonition type="note" >}} See the [dep... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-7.md | main | loki | [
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this deprecation does NOT include the lambda-promtail client. - [Deprecated storage options](https://grafana.com/docs/loki//storage/) including the deprecation of the BoltDB store. - [Deprecated configuration options](https://grafana.com/docs/loki//configure/). - [API endpoint deprecations](https://grafana.com/docs/lok... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-7.md | main | loki | [
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... | 0.023451 |
to v3.19.0 (main) ([#20365](https://github.com/grafana/loki/issues/20365)) ([0b238bc](https://github.com/grafana/loki/commit/0b238bccea4babd97b3393de9ac0380e7c65a66c)) \* \*\*deps:\*\* Update module github.com/shirou/gopsutil/v4 to v4.25.12 (main) ([#20347](https://github.com/grafana/loki/issues/20347)) ([0740eb8](http... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-7.md | main | loki | [
-0.09835714846849442,
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0.0... | 0.092069 |
([#19707](https://github.com/grafana/loki/issues/19707)) ([86068cf](https://github.com/grafana/loki/commit/86068cfb6c9c221dbb3878bdd5e86a53b6ce2caa)) \* \*\*operator:\*\* Do not deploy NetworkPolicies automatically on OCP 4.20 ([#19680](https://github.com/grafana/loki/issues/19680)) ([8df33ff](https://github.com/grafan... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-7.md | main | loki | [
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... | 0.046384 |
# V2.6 Grafana Labs is excited to announce the release of Loki 2.6. Here's a summary of new enhancements and important fixes. ## Features and enhancements - \*\*Query multiple tenants at once.\*\* We've introduced cross-tenant query federation, which allows you to issue one query to multiple tenants and get a single, c... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v2-6.md | main | loki | [
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# v3.3 Grafana Labs and the Loki team are excited to announce the release of Loki 3.3. Here's a summary of new enhancements and important fixes. For a full list of all changes and fixes, refer to the [CHANGELOG](https://github.com/grafana/loki/blob/release-3.3.x/CHANGELOG.md). ## Features and enhancements Key features ... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-3.md | main | loki | [
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only ([#14308](https://github.com/grafana/loki/issues/14308)) ([720c303](https://github.com/grafana/loki/commit/720c3037923c174e71a02d99d4bee6271428fbdb)). - \*\*docs:\*\* New videos and tutorials, including a New Cloud deployment guide for [Deploying Loki on AWS](https://grafana.com/docs/loki//setup/install/helm/deplo... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-3.md | main | loki | [
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jwt and oauth2 dependencies for 3.3.x ([#17021](https://github.com/grafana/loki/issues/17021)) ([241f5aa](https://github.com/grafana/loki/commit/241f5aa6490b09b299c1136e70e5b67f85b8632d)). - \*\*deps:\*\* Update module golang.org/x/crypto to v0.35.0 [security] (release-3.3.x) ([#16590](https://github.com/grafana/loki/i... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-3.md | main | loki | [
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0.0... | 0.073856 |
Update module github.com/baidubce/bce-sdk-go to v0.9.192 ([#14337](https://github.com/grafana/loki/issues/14337)) ([6f7cae2](https://github.com/grafana/loki/commit/6f7cae2a7aae471c8161bd1e596a31fa89c48ae1)). - \*\*deps:\*\* Update module github.com/baidubce/bce-sdk-go to v0.9.196 ([#14651](https://github.com/grafana/lo... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-3.md | main | loki | [
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([0ea7431](https://github.com/grafana/loki/commit/0ea7431139ae0a18ef4e90bed836a7a6b92ab890)). - \*\*mixins:\*\* Retention dashboards fix metric name ([#14617](https://github.com/grafana/loki/issues/14617)) ([c762b9b](https://github.com/grafana/loki/commit/c762b9b5d3877e7cbfc41d8ab9a1a4287ebe97b2)). - \*\*otlp:\*\* Enab... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v3-3.md | main | loki | [
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# V2.9 Grafana Labs is excited to announce the release of Loki 2.9.0 Here's a summary of new enhancements and important fixes. For a full list of all changes and fixes, refer to the [CHANGELOG](https://github.com/grafana/loki/blob/release-2.9.x/CHANGELOG.md). ## Features and enhancements - \*\*Structured metadata\*\*: ... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v2-9.md | main | loki | [
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object client([#10585](https://github.com/grafana/loki/issues/10585)). ### 2.9.10 (2024-08-09) - Update dependencies versions to remove CVE ([#13835](https://github.com/grafana/loki/pull/13835)) ([567bef2](https://github.com/grafana/loki/commit/567bef286376663407c54f5da07fa00963ba5485)). ### 2.9.9 (2024 -07-04) - \*\*I... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v2-9.md | main | loki | [
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# Release notes Release notes for Loki are in the CHANGELOG for the release and listed here by version number. - [V3.7 release notes](https://grafana.com/docs/loki//release-notes/v3-7/) - [V3.6 release notes](https://grafana.com/docs/loki//release-notes/v3-6/) - [V3.5 release notes](https://grafana.com/docs/loki//relea... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/_index.md | main | loki | [
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# V2.8 Grafana Labs is excited to announce the release of Loki 2.8. Here's a summary of new enhancements and important fixes: ## Features and enhancements - \*\*TSDB index no longer experimental\*\* After extensive testing of the new TSDB index in our Grafana Cloud Logs offering, we can safely announce that it is no lo... | https://github.com/grafana/loki/blob/main//docs/sources/release-notes/v2-8.md | main | loki | [
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# Manage authentication Grafana Loki does not come with any included authentication layer. You must run an authenticating reverse proxy in front of your services. The simple scalable and microservices [deployment modes](https://grafana.com/docs/loki//get-started/deployment-modes/) require a reverse proxy to be deployed... | https://github.com/grafana/loki/blob/main//docs/sources/operations/authentication.md | main | loki | [
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Then, store it as an environment variable:: ``` % pass=$(cat lokipw) ``` You can validate basic authentication is then working by issuing a curl command to the protected resource: ```curl curl -i -u loki123:$pass -H "X-Scope-OrgID:fake" "http://loki.localhost/loki/api/v1/labels" HTTP/1.1 200 OK Server: nginx/1.29.2 Dat... | https://github.com/grafana/loki/blob/main//docs/sources/operations/authentication.md | main | loki | [
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# Manage larger production deployments When needing to scale Loki due to increased log volume, operators should consider running several Loki processes partitioned by role (ingester, distributor, querier, and so on) rather than a single Loki process. Grafana Labs' [production setup](https://github.com/grafana/loki/blob... | https://github.com/grafana/loki/blob/main//docs/sources/operations/scalability.md | main | loki | [
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... | 0.148726 |
for further configuration options. When you enable remote rule evaluation, the `ruler` component becomes a gRPC client to the `query-frontend` service; this will result in far lower `ruler` resource usage because the majority of the work has been externalized. The LogQL queries coming from the `ruler` will be executed ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/scalability.md | main | loki | [
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0.00505241... | -0.002485 |
# Monitor tenant limits using the Overrides Exporter Loki is a multi-tenant system that supports applying limits to each tenant as a mechanism for resource management. The `overrides-exporter` module exposes these limits as Prometheus metrics in order to help operators better understand tenant behavior. ## Context Conf... | https://github.com/grafana/loki/blob/main//docs/sources/operations/overrides-exporter.md | main | loki | [
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0.... | 0.085827 |
# Block unwanted queries In certain situations, you may not be able to control the queries being sent to your Loki installation. These queries may be intentionally or unintentionally expensive to run, and they may affect the overall stability or cost of running your service. You can block queries using [per-tenant over... | https://github.com/grafana/loki/blob/main//docs/sources/operations/blocking-queries.md | main | loki | [
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scope further - pattern: '.\*rate\\(.\*\\).\*' regex: true query\_tags: source: grafana ``` | https://github.com/grafana/loki/blob/main//docs/sources/operations/blocking-queries.md | main | loki | [
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0.01... | 0.001065 |
# Configure caches to speed up queries Loki supports two types of caching for query results and chunks to speed up query performance and reduce calls to the storage layer. Memcached is included in the Loki Helm chart and enabled by default for the `chunksCache` and `resultsCache`. This sections describes the recommende... | https://github.com/grafana/loki/blob/main//docs/sources/operations/caching.md | main | loki | [
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commands, the `service` values are always `memcached`. ``` helm upgrade --install chunk-cache -n loki bitnami/memcached -f memcached-overrides-chunk.yaml helm upgrade --install results-cache -n loki bitnami/memcached -f memcached-overrides-results.yaml ``` The current Helm Chart only supports the chunk and results cach... | https://github.com/grafana/loki/blob/main//docs/sources/operations/caching.md | main | loki | [
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# Speed up ingester rollout using zone awareness The Loki zone aware ingesters are used by Grafana Labs in order to allow for easier rollouts of large Loki deployments. You can think of them as three logical zones, however with some extra Kubernetes configuration you could deploy them in separate zones. By default, an ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/zone-ingesters.md | main | loki | [
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this allows us to later filter out that zone from the write path. 1. Configure ingester-pdb with `maxUnavailable` as 0 and deploy 3x zone-aware StatefulSets with 0 replicas by setting ```jsonnet \_config+:: { multi\_zone\_ingester\_enabled: true, multi\_zone\_ingester\_migration\_enabled: true, multi\_zone\_ingester\_r... | https://github.com/grafana/loki/blob/main//docs/sources/operations/zone-ingesters.md | main | loki | [
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``` rule\_evaluations\_total rule\_evaluation\_failures\_total rule\_group\_iterations\_missed\_total ``` 1. Enable zone-aware replication on the read path `multi\_zone\_ingester\_replication\_read\_path\_enabled: true`. If you're not using jsonnet, set `distributor.zone-awareness-enabled` to true for queriers. 1. Chec... | https://github.com/grafana/loki/blob/main//docs/sources/operations/zone-ingesters.md | main | loki | [
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# Manage tenant isolation Grafana Loki is a multi-tenant system; requests and data for tenant A are isolated from tenant B. Requests to the Loki API should include an HTTP header (`X-Scope-OrgID`) that identifies the tenant for the request. Tenant IDs can be any alphanumeric string that fits within the Go HTTP header l... | https://github.com/grafana/loki/blob/main//docs/sources/operations/multi-tenancy.md | main | loki | [
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0.058... | 0.009947 |
# Manage varying workloads at scale with autoscaling queriers A microservices deployment of a Loki cluster that runs on Kubernetes typically handles a workload that varies throughout the day. To make Loki easier to operate and optimize the cost of running Loki at scale, we have designed a set of resources to help you a... | https://github.com/grafana/loki/blob/main//docs/sources/operations/autoscaling_queriers.md | main | loki | [
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each querier runs 6 workers, aiming to use 75% of those workers, the threshold is set to 4. The metric is served at `http://prometheus.default:9090/prometheus`. We configure a stabilization window of 30 minutes. ```yaml apiVersion: keda.sh/v1alpha1 kind: ScaledObject metadata: name: querier namespace: loki-cluster spec... | https://github.com/grafana/loki/blob/main//docs/sources/operations/autoscaling_queriers.md | main | loki | [
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# Manage bloom filter building and querying (Experimental) {{< admonition type="warning" >}} In Loki and Grafana Enterprise Logs (GEL), Query acceleration using blooms is an [experimental feature](/docs/release-life-cycle/). Engineering and on-call support is not available. No SLA is provided. Note that this feature is... | https://github.com/grafana/loki/blob/main//docs/sources/operations/bloom-filters.md | main | loki | [
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-0... | 0.168943 |
Planner and the Bloom Builder, where the planner creates tasks for bloom building, and sends the tasks to the builders to process and upload the resulting blocks. Bloom filters are grouped in bloom blocks spanning multiple streams (also known as series) and chunks from a given day. To learn more about how blocks and me... | https://github.com/grafana/loki/blob/main//docs/sources/operations/bloom-filters.md | main | loki | [
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in the Configure section for the [Bloom Gateways][bloom-gateway-cfg]. Refer to the [Enable bloom filters](#enable-bloom-filters) section above for a configuration snippet enabling this feature. ### Gateway sizing and configuration Bloom Gateways use their local file system as a Least Recently Used (LRU) cache for bloom... | https://github.com/grafana/loki/blob/main//docs/sources/operations/bloom-filters.md | main | loki | [
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the following hashes: `hash("foo")`, `hash("foo=bar")`, `hash("c6dj8g" + "foo")` and `hash("c6dj8g" + "foo=bar")`. ## Query sharding Query acceleration does not just happen while processing chunks, but also happens from the query planning phase where the query frontend applies [query sharding](https://lokidex.com/posts... | https://github.com/grafana/loki/blob/main//docs/sources/operations/bloom-filters.md | main | loki | [
0.028181618079543114,
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# Enforce rate limits and push request validation Loki will reject requests if they exceed a usage threshold (rate limit error) or if they are invalid (validation error). All occurrences of these errors can be observed using the `loki\_discarded\_samples\_total` and `loki\_discarded\_bytes\_total` metrics. The sections... | https://github.com/grafana/loki/blob/main//docs/sources/operations/request-validation-rate-limits.md | main | loki | [
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0.0... | 0.153664 |
is enforced when a tenant reaches their maximum number of active streams. Active streams are held in memory buffers in the ingesters, and if this value becomes sufficiently large then it will cause the ingesters to run out of memory. This value can be modified globally in the [`limits\_config`](/docs/loki//configuratio... | https://github.com/grafana/loki/blob/main//docs/sources/operations/request-validation-rate-limits.md | main | loki | [
0.04929150268435478,
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simply splitting streams (adding more labels) this problem can be circumvented, especially if multiple hosts are sending samples for a single stream. | Property | Value | |-------------------------|------------| | Enforced by | `ingester` | | Retryable | \*\*No\*\* | | Sample discarded | \*\*Yes\*\* | | Configurable pe... | https://github.com/grafana/loki/blob/main//docs/sources/operations/request-validation-rate-limits.md | main | loki | [
0.01623542793095112,
0.05884026363492012,
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0.060499440878629684,
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0.00995088554918766,
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0.012161227874457836,
0.030280038714408875,
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0.05290709808468819,
0.02... | -0.016094 |
value of `1024` for performance reasons. The offending stream will be returned in the body of the HTTP response. | Property | Value | |-------------------------|-------------------| | Enforced by | `distributor` | | Outcome | Request rejected | | Retryable | \*\*No\*\* | | Sample discarded | \*\*Yes\*\* | | Configurabl... | https://github.com/grafana/loki/blob/main//docs/sources/operations/request-validation-rate-limits.md | main | loki | [
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0.06037580221891403,
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0.0013677987735718489,
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0.038637857884168625,
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0.026273852214217186,
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-... | 0.066611 |
# Manage recording rules Recording rules are queries that run in an interval and produce metrics from logs that can be pushed to a Prometheus compatible backend. Recording rules are evaluated by the `ruler` component. Each `ruler` acts as its own `querier`, in the sense that it executes queries against the store withou... | https://github.com/grafana/loki/blob/main//docs/sources/operations/recording-rules.md | main | loki | [
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-0... | 0.172052 |
Client configuration Remote-write client configuration is fully compatible with [prometheus configuration format](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#remote\_write). ```yaml remote\_write: clients: mimir: url: http://mimir/api/v1/push write\_relabel\_configs: - action: replace targ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/recording-rules.md | main | loki | [
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0.... | 0.13471 |
determine this by alerting on `loki\_ruler\_wal\_appender\_ready < 1`. ### Corrupt WAL If a disk fails or the `ruler` does not terminate correctly, there's a chance one or more tenant WALs can become corrupted. A mechanism exists for automatically repairing the WAL, but this cannot handle every conceivable scenario. In... | https://github.com/grafana/loki/blob/main//docs/sources/operations/recording-rules.md | main | loki | [
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0.04845990613102913,
0.007983656600117683,
-0.0014... | -0.038734 |
# Manage large volume log streams with automatic stream sharding Automatic stream sharding can keep streams under a `desired\_rate` by adding new labels and values to existing streams. When properly tuned, this can eliminate issues where log producers are rate limited due to the per-stream rate limit. \*\*To enable aut... | https://github.com/grafana/loki/blob/main//docs/sources/operations/automatic-stream-sharding.md | main | loki | [
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0.055... | 0.047073 |
are individually reported. - `loki\_rate\_store\_stream\_rate\_bytes`: A histogram of the distribution of stream sizes across all tenants in bytes/second. - `loki\_stream\_sharding\_count`: The total number of times that streams have been sharded. Useful for calculating the sharding rate. | https://github.com/grafana/loki/blob/main//docs/sources/operations/automatic-stream-sharding.md | main | loki | [
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0... | 0.140349 |
# Troubleshoot Loki operations This guide helps you troubleshoot errors that occur during Loki operations, including configuration issues, storage backend problems, cluster communication failures, and service component errors. These errors are distinct from ingestion (write path) and query (read path) errors covered in... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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the `limits\_config` section or set the command line argument `-validation.allow-structured-metadata=false` and restart Loki. Then proceed to update to schema v13 or newer before re-enabling this config, search for 'Storage Schema' in the docs for the schema update procedure ``` \*\*Cause:\*\* Structured metadata is en... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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is which is configured to use an `index\_cache\_validity` (TTL) of , however the chunk\_retain\_period is which is LESS than the `index\_cache\_validity`. This can lead to query gaps, please configure the `chunk\_retain\_period` to be greater than the `index\_cache\_validity` ``` \*\*Cause:\*\* The chunk retain period ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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config reload failure) - Configurable per tenant: Yes ### Error: Retention period too short \*\*Error message:\*\* ```text retention period must be >= 24h was ``` \*\*Cause:\*\* A stream-level retention rule specifies a retention period shorter than 24 hours, which is the minimum allowed. \*\*Resolution:\*\* - \*\*Set ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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0.02993491105735302,
0.... | -0.001091 |
or '..' ``` \*\*Cause:\*\* The tenant ID is set to `.` or `..`, which are reserved filesystem path components and could cause path traversal issues. \*\*Resolution:\*\* - \*\*Choose a different tenant ID\*\* that is not `.` or `..`. \*\*Properties:\*\* - Enforced by: Tenant validation - Retryable: Yes (with valid tenan... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
0.03471028432250023,
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0.067... | -0.074528 |
# Or SSE-KMS ``` Supported types: - `SSE-S3` - Server-side encryption with Amazon S3-managed keys - `SSE-KMS` - Server-side encryption with AWS KMS-managed keys \*\*Properties:\*\* - Enforced by: Configuration validation - Retryable: No - HTTP status: N/A (startup failure) - Configurable per tenant: No ### Error: Inval... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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0.05379660427570343,
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0.07690933346748352,
0.0... | -0.013064 |
redis client setup failed: ``` \*\*Cause:\*\* Loki cannot establish a connection to the Redis server. Common causes include: - Incorrect Redis endpoint - Network connectivity issues - Authentication failures - TLS configuration problems \*\*Resolution:\*\* - \*\*Verify Redis connectivity\*\* from the Loki host: ```bash... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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0.016092369332909584,
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... | 0.052713 |
`loki\_delete\_cache\_gen\_load\_failures\_total` metric. Other non- 403 causes include: - The compactor is unreachable (network or DNS issues) - The compactor is not running or not ready - TLS or authentication misconfiguration between the querier and compactor \*\*Resolution:\*\* - \*\*Check if deletion is intentiona... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
0.009943529032170773,
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0.059163... | 0.058196 |
the instance to re-register\*\* in the ring. - \*\*Check the instance's logs\*\* for ring join failures. - \*\*Verify KV store connectivity\*\* from the instance. \*\*Properties:\*\* - Enforced by: Ring operations - Retryable: Yes (after instance registers) - HTTP status: 503 Service Unavailable - Configurable per tena... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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0.008259642869234085,
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0.0554... | -0.013545 |
Enforced by: Memberlist KV client - Retryable: Yes (automatic retries with backoff) - HTTP status: N/A (startup failure or degraded operation) - Configurable per tenant: No ### Error: Re-joining memberlist cluster failed \*\*Error message:\*\* ```text re-joining memberlist cluster failed ``` \*\*Cause:\*\* After being ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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0.036178696900606155,
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0.07721840590238571,
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0.01859356090426445,
0.046... | 0.042652 |
HTTP status: 503 Service Unavailable - Configurable per tenant: No ### Error: No queriers connected to query frontend \*\*Error message:\*\* ```text Query Frontend not ready: not ready: number of queriers connected to query-frontend is 0 ``` \*\*Cause:\*\* The query frontend has no querier workers connected. Without qu... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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0.... | 0.024747 |
the entries limit - \*\*Increase gRPC message size limits\*\* if needed. Apply these settings to querier nodes: ```yaml server: grpc\_server\_max\_send\_msg\_size: 209715200 # 200MB querier: query\_frontend\_grpc\_client: max\_recv\_msg\_size: 209715200 # 200MB ``` \*\*Properties:\*\* - Enforced by: Querier worker - Re... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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0.039335139095783234,
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0.0... | 0.040908 |
errors DNS errors occur when Loki cannot resolve hostnames for service discovery or backend connections. ### Error: DNS lookup timeout \*\*Error message:\*\* ```text msg="failed to resolve server addresses" err="... DNS lookup timeout: [] ..." ``` \*\*Cause:\*\* DNS resolution exceeded the 5-second timeout when trying ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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0.03361443802714348,
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0.... | 0.095117 |
values in production are in the range of 128–2048, proportional to the volume of logs ingested per day: | Daily ingest volume | Typical value | |---|---| | Low–moderate | 128–256 | | High | 512 | | Tens of TB/day | 1024–2048 | - \*\*Account for the querier capacity this requires.\*\* Each unit of parallelism consumes o... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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-0.03428... | 0.04725 |
mode is configured\*\* if using shuffle sharding. The index gateway must run in `ring` mode and the per-tenant shard size must be set: ```yaml index\_gateway: mode: ring limits\_config: index\_gateway\_shard\_size: 3 # default = 0 (use all instances) ``` - \*\*Scale up index gateways\*\* if needed. \*\*Properties:\*\* ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
0.05159854143857956,
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0.05990341305732727,
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... | 0.001703 |
processed\*\* and removed. \*\*Properties:\*\* - Enforced by: Compactor API - Retryable: No - HTTP status: 404 Not Found - Configurable per tenant: No ### Error: Retention is not enabled \*\*Error message:\*\* ```text Retention is not enabled ``` \*\*Cause:\*\* A delete request was submitted but retention is not enable... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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'client' is deprecated, please only use 'clients' ``` \*\*Cause:\*\* Both the deprecated `client` and the new `clients` configuration options are set for ruler remote write. \*\*Resolution:\*\* - \*\*Remove the deprecated config\*\* and use `clients`: ```yaml ruler: remote\_write: # Remove this: # client: {} # Use this... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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ingestion is enabled but no topic name is configured. \*\*Resolution:\*\* - \*\*Configure the Kafka topic\*\*: ```yaml kafka\_config: topic: loki-logs reader\_config: address: kafka:9092 writer\_config: address: kafka:9092 ``` \*\*Properties:\*\* - Enforced by: Configuration validation - Retryable: No - HTTP status: N/... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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a fatal error. \*\*Resolution:\*\* - \*\*Check ingester health and logs\*\* for errors. - \*\*Verify disk space\*\* is available. - \*\*Restart the ingester\*\* if it's in a bad state. \*\*Properties:\*\* - Enforced by: Ingester WAL - Retryable: Yes (after ingester restart) - HTTP status: 500 Internal Server Error - Co... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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tenant: No ### Error: Failed to start partition ring lifecycler \*\*Error message:\*\* ```text failed to start partition ring lifecycler: ``` \*\*Cause:\*\* The ingester could not start its Kafka partition ring lifecycler during startup. This is a separate component from the partition reader; it manages the ingester's ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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only patterns representing the top X% of log volume are persisted. \*\*Resolution:\*\* - \*\*Set `volume\_threshold` to a value between 0 and 1\*\* (default is `0.99`): ```yaml pattern\_ingester: volume\_threshold: 0.99 ``` \*\*Properties:\*\* - Enforced by: Configuration validation - Retryable: No (configuration must ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-operations.md | main | loki | [
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# Troubleshoot log ingestion (WRITE) This guide helps you troubleshoot errors that occur when ingesting logs into Loki and writing logs to storage. When Loki rejects log ingestion requests, it's typically due to exceeding rate limits, violating validation rules, or encountering storage issues. Before you begin, ensure ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-ingest.md | main | loki | [
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per day of logs you should avoid exceeding 300,000 max global streams per user. {{< /admonition >}} \*\*Properties:\*\* - Enforced by: Ingester - Retryable: Yes - HTTP status: 429 Too Many Requests - Configurable per tenant: Yes ## Validation errors Validation errors occur when log data doesn't meet Loki's requirements... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-ingest.md | main | loki | [
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### Error: `out\_of\_order` / `too\_far\_behind` These errors occur when log entries arrive in the wrong chronological order. \*\*Error messages:\*\* - When `unordered\_writes: false`: `entry out of order` - When `unordered\_writes: true`: `entry too far behind, entry timestamp is: , oldest acceptable timestamp is: ` \... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-ingest.md | main | loki | [
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- Retryable: No - HTTP status: 400 Bad Request - Configurable per tenant: Yes ### Error: `label\_name\_too\_long` \*\*Error message:\*\* `stream has label name too long: ` \*\*Cause:\*\* A label name exceeds the maximum allowed length. \*\*Default configuration:\*\* - `max\_label\_name\_length`: 1024 bytes \*\*Resoluti... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-ingest.md | main | loki | [
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0.05511762946844101,
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credentials or permissions - `RequestTimeout`: Network or storage latency issues \*\*Resolution:\*\* \* \*\*Verify storage configuration\*\*: ```yaml storage\_config: aws: s3: s3://region/bucket-name s3forcepathstyle: true ``` \* \*\*Check credentials and permissions\*\*: - Ensure service account has write permissions ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-ingest.md | main | loki | [
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group\*\* settings. \* \*\*Check for CPU starvation\*\* as a Loki pod that is overwhelmed could fail to respond to a request. \*\*Properties:\*\* - Enforced by: Network/OS - Retryable: Yes (after service recovery) - HTTP status: N/A (connection-level error) - Configurable per tenant: No ### Error: Context deadline exce... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-ingest.md | main | loki | [
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0... | 0.164097 |
Yes ## Blocked ingestion errors These errors occur when ingestion is administratively blocked. ### Ingestion blocked \*\*Error message:\*\* `ingestion blocked for user until with status code 260` Or for policy-specific blocks: `ingestion blocked for user (policy: ) until with status code 260` \*\*Cause:\*\* Ingestion h... | https://github.com/grafana/loki/blob/main//docs/sources/operations/troubleshooting/troubleshoot-ingest.md | main | loki | [
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0.02693210355937481,... | 0.065973 |
# Ensure query fairness within tenants using actors Loki uses [shuffle sharding](../shuffle-sharding/) to minimize impact across tenants in case of querier failures or misbehaving neighboring tenants. When there are potentially a lot of different actors using the same tenant to query logs, such as users accessing Loki ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/query-fairness/_index.md | main | loki | [
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0.0... | 0.065194 |
local queue gets 1/3 and each sub-queue gets 1/3 of their share. As the explained implementation and the header name already suggest, it is possible to enqueue queries several levels deep. To do so, you can construct a path to the sub-queue using the `|` delimiter in the header value, as shown in the following examples... | https://github.com/grafana/loki/blob/main//docs/sources/operations/query-fairness/_index.md | main | loki | [
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# Single binary meta-monitoring Meta monitoring for [monolithic mode](https://grafana.com/docs/loki//get-started/deployment-modes/#monolithic-mode) deployments involves some additional configuration. This approach does not use the Kubernetes Monitoring Helm chart. ## Metrics Configure Alloy or Prometheus to scrape the ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/meta-monitoring/single-binary.md | main | loki | [
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# Deploy Loki meta-monitoring The primary method for collecting and monitoring a Loki cluster is to use the [Kubernetes Monitoring Helm](https://github.com/grafana/k8s-monitoring-helm/) chart. This chart provides a comprehensive monitoring solution for Kubernetes clusters and includes direct integrations for monitoring... | https://github.com/grafana/loki/blob/main//docs/sources/operations/meta-monitoring/deploy.md | main | loki | [
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the necessary configuration. 1. Download the `values.yaml` file from the Kubernetes Monitoring Helm chart repository: ```bash curl -O https://raw.githubusercontent.com/grafana/loki/main/production/helm/meta-monitoring/values.yaml ``` 1. Open the `values.yaml` file in a text editor of your choosing and add the Prometheu... | https://github.com/grafana/loki/blob/main//docs/sources/operations/meta-monitoring/deploy.md | main | loki | [
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... | 0.12321 |
# Install dashboards, alerts, and recording rules Loki is instrumented to expose metrics about itself via the `/metrics` endpoint, designed to be scraped by Prometheus. Each Loki release includes a mixin. The Loki mixin provides a set of Grafana dashboards, Prometheus recording rules and alerts for monitoring Loki. To ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/meta-monitoring/mixins.md | main | loki | [
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0.02... | 0.147117 |
Loki Monitoring dashboard folder. To view the dashboards in Grafana: 1. Select \*\*Dashboards\*\* in your Grafana instance. 1. Select \*\*Loki Monitoring\*\*, or the folder where you uploaded the imported dashboards. 1. Select any file in the folder to view the dashboard. ### Add alerts and recording rules to Prometheu... | https://github.com/grafana/loki/blob/main//docs/sources/operations/meta-monitoring/mixins.md | main | loki | [
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0.0... | 0.141315 |
# Key metrics for monitoring Loki Loki exposes many metrics, and each component behaves differently under load. This page focuses on the highest-signal metrics for detecting negative trends early. {{< admonition type="note" >}} The example queries on this page are PromQL. Run them against the Prometheus-compatible data... | https://github.com/grafana/loki/blob/main//docs/sources/operations/meta-monitoring/metrics.md | main | loki | [
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0.0431... | 0.169455 |
`loki\_objstore\_bucket\_operation\_failures\_total` - `loki\_objstore\_bucket\_operation\_duration\_seconds` Example queries: ```promql sum by (operation) (rate(loki\_objstore\_bucket\_operation\_failures\_total{cluster="$cluster", namespace="$namespace"}[$\_\_rate\_interval])) ``` ```promql histogram\_quantile(0.99, ... | https://github.com/grafana/loki/blob/main//docs/sources/operations/meta-monitoring/metrics.md | main | loki | [
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-0.0079319... | 0.202992 |
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