owner stringclasses 14
values | repo stringclasses 14
values | id int64 116k 4.61B | issue_number int32 1 181k | author stringlengths 1 39 | body stringlengths 1 262k | created_at timestamp[us]date 2000-06-06 02:40:44 2026-06-02 20:16:18 | updated_at timestamp[us]date 2000-06-06 02:40:44 2026-06-02 20:22:56 | reactions unknown | author_association stringclasses 5
values |
|---|---|---|---|---|---|---|---|---|---|
ClickHouse | ClickHouse | 703,422,225 | 15,577 | danlark1 | > PS. I cannot understand the reason for MSan error :(
100% unrelated flap | 2020-10-05T06:18:32 | 2020-10-05T06:18:32 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,266,508 | 15,577 | danlark1 | [ThinLTO: 0.5%](https://clickhouse-test-reports.s3.yandex.net/15595/b3fa86191e4f85ad3ff4d72d6370d56b80be868c/performance_comparison/report.html#fail1)
[ThinLTO + fexperimental-new-pass-manager: 1%](https://clickhouse-test-reports.s3.yandex.net/15577/0d505e389912460fac14f6d906655b14d5dd0c04/performance_comparison/repor... | 2020-10-04T14:49:26 | 2020-10-05T07:28:44 | {
"+1": 1,
"hooray": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 702,832,166 | 15,532 | alesapin | AST Fuzzer, reported https://github.com/ClickHouse/ClickHouse/issues/15540 | 2020-10-02T16:30:44 | 2020-10-02T16:30:44 | {} | MEMBER |
ClickHouse | ClickHouse | 702,841,355 | 15,497 | filipecaixeta | We could have two possible arguments
First option is to set max precision
```
>> SELECT formatReadableTimeDelta(3661)
>> 1 hour, 1 minute and 1 second
>> SELECT formatReadableTimeDelta(3661, 'minutes')
>> 1 hour and 1 minute
```
Second option is the set max date unit
```
>> SELECT formatReadableTimeDelta(3... | 2020-10-02T16:49:45 | 2020-10-02T16:49:45 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 702,896,524 | 15,532 | alesapin | Performance not related to changes. | 2020-10-02T18:41:57 | 2020-10-02T18:41:57 | {} | MEMBER |
ClickHouse | ClickHouse | 703,046,894 | 15,498 | burov4j | > Блин, нахера тебе это надо ?
>
> en: I wonder why do you need this?
Thanks for translation, but I understand in Russian too. :)
We actively use base32 in our system because the resulting character set is all one case. | 2020-10-03T04:56:26 | 2020-10-03T04:56:26 | {} | NONE |
ClickHouse | ClickHouse | 703,336,595 | 15,598 | den-crane | check a table system.replicas is_readonly column | 2020-10-05T00:12:02 | 2020-10-05T00:12:02 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,438,151 | 15,572 | filimonov | Да, похоже на проблемы с парсингом.
Ищите записи в логах с severity Error примерно в то же время что и "Re-joining claimed consumer after failure" (возможно чуть позднее, емнип в них не будет упоминаться Kafka). | 2020-10-05T06:56:02 | 2020-10-05T06:56:02 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,441,845 | 14,093 | filimonov | Most probably it relates to async io:
https://bugzilla.lustre.org/show_bug.cgi?id=11719
https://lustre-discuss.lustre.narkive.com/zwcvyEEY/asynchronous-posix-i-o-with-lustre | 2020-10-05T07:03:31 | 2020-10-05T07:03:31 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 702,963,788 | 15,428 | haoch | @amosbird How could it pass these 3 checks?
- Description check — Changelog entry is empty
- Yandex synchronization check (only for Yandex employees)
- Yandex third-party checks (only for Yandex employees) | 2020-10-02T21:21:49 | 2020-10-02T21:21:49 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,101,016 | 15,236 | alesapin | `8 -> Too many simultaneous queries. Maximum: 100.`, too much. | 2020-10-03T13:08:07 | 2020-10-03T13:08:15 | {} | MEMBER |
ClickHouse | ClickHouse | 703,101,996 | 14,319 | alexey-milovidov | @vkingnew What you need is the `roundDown` function:
https://github.com/ClickHouse/ClickHouse/blob/master/tests/queries/0_stateless/00805_round_down.sql | 2020-10-03T13:15:12 | 2020-10-03T13:15:12 | {} | MEMBER |
ClickHouse | ClickHouse | 703,336,672 | 15,594 | den-crane | WA:
```
> ~/.clickhouse-client-history
``` | 2020-10-05T00:12:40 | 2020-10-05T00:12:40 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,543,879 | 15,567 | alesapin | Fix not related to failed tests. | 2020-10-05T10:27:11 | 2020-10-05T10:27:11 | {} | MEMBER |
ClickHouse | ClickHouse | 703,072,394 | 10,376 | CpuID | Thanks for the update. Doesn't sound positive :( | 2020-10-03T09:02:06 | 2020-10-03T09:02:06 | {
"+1": 2
} | NONE |
ClickHouse | ClickHouse | 703,087,458 | 15,374 | dependabot-preview[bot] | OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting `@dependabot ignore this major version` or `@dependabot ignore this minor version`.
If you change your mind, just re-... | 2020-10-03T11:17:28 | 2020-10-03T11:17:28 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,108,503 | 15,319 | alexey-milovidov | No need to rebase... | 2020-10-03T14:02:06 | 2020-10-03T14:02:06 | {} | MEMBER |
ClickHouse | ClickHouse | 703,152,622 | 15,428 | haoch | Thanks @amosbird, there is one integration test failed [test_reload_zookeeper/test.py::test_reload_zookeeper](https://clickhouse-test-reports.s3.yandex.net/15428/cc2cb76295bf490387a1f8231f60b5a03c8e1d38/integration_tests_(asan)/integration_run.3.txt.out.log):
```
## stop all zookeepers, table will be reado... | 2020-10-03T19:19:23 | 2020-10-03T21:37:41 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,497,192 | 15,610 | filimonov | @aubweb9 the error message contains thread number and query_id (`...(from thread 10426) (query_id: 25afeec8-49ba-4c38-acfd-9740b30240eb)` in your example, plase trace back your log file to find the query with this id and / or last records from the log from that thread id. | 2020-10-05T08:53:57 | 2020-10-05T08:53:57 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 702,791,532 | 15,163 | tavplubix | #15537 looks like a major issue (especially when running the queries ON CLUSTER, because queries hang on all nodes) | 2020-10-02T15:12:59 | 2020-10-02T15:12:59 | {} | MEMBER |
ClickHouse | ClickHouse | 702,847,006 | 15,450 | CurtizJ | Hmm, very interesting exception :)
DB::Exception: Not found column **any(timestamp)** in block. There are only columns: timestamp_h, max(bytes), **any(timestamp)**, toStartOfHour(any(timestamp)) | 2020-10-02T17:01:45 | 2020-10-02T17:01:45 | {
"laugh": 1
} | MEMBER |
ClickHouse | ClickHouse | 702,952,688 | 10,376 | CpuID | Just curious - how complete is this implementation so far? Viable for testing yet? Still needs more work? | 2020-10-02T20:53:34 | 2020-10-02T20:53:34 | {} | NONE |
ClickHouse | ClickHouse | 702,962,165 | 15,463 | den-crane | Have you tried -MergeState modifier?
https://clickhouse.tech/docs/en/sql-reference/aggregate-functions/combinators/#aggregate_functions_combinators-mergestate
**quantileTDigestMergeState** (0.99)(percentile) | 2020-10-02T21:17:37 | 2020-10-02T21:17:37 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 702,994,138 | 15,536 | alexey-milovidov | Performance changes are unrelated. | 2020-10-02T23:07:36 | 2020-10-02T23:07:36 | {} | MEMBER |
ClickHouse | ClickHouse | 703,181,297 | 15,552 | alexey-milovidov | Variants 1, 2 open more possibilities for ransom attacks.
Variant 3 looks Ok.
It can be implemented with a command like
`SYSTEM STOP GLOBAL ACCESS`
that will create a flag in `flags` directory that the server will check.
This command will be applicable for other purposes. | 2020-10-04T00:29:36 | 2020-10-04T00:41:22 | {} | MEMBER |
ClickHouse | ClickHouse | 703,221,029 | 15,577 | danlark1 | Nothing interesting, let's try out experimental-new-pass-manager | 2020-10-04T08:22:24 | 2020-10-04T08:22:24 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,320,558 | 15,432 | alexelex | https://github.com/ClickHouse/ClickHouse/pull/15601
I wanted to clear my fork, but didn't think that then the PR would close :)
it can still be found [here](https://github.com/alexelex/ClickHouse/tree/quorum_insert_1) if needed for example for comparison. | 2020-10-04T21:44:31 | 2020-10-04T21:50:50 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,426,436 | 15,591 | aadi56 | EATE TABLE [IF NOT EXISTS] [db.]table_name [ON CLUSTER cluster]
(
name1 [type1] [DEFAULT|MATERIALIZED|ALIAS expr1] [TTL expr1],
name2 [type2] [DEFAULT|MATERIALIZED|ALIAS expr2] [TTL expr2],
...
INDEX index_name1 expr1 TYPE type1(...) GRANULARITY value1,
INDEX index_name2 expr2 TYPE type2(...) GRANULARITY value2
... | 2020-10-05T06:28:45 | 2020-10-05T06:28:45 | {} | NONE |
ClickHouse | ClickHouse | 703,454,775 | 15,506 | alesapin | Some error on server shutdown https://gist.github.com/alesapin/b3ca8a721fc9b48cb0e121f6f1c6da98 in the database catalog. Not related to changes. | 2020-10-05T07:30:10 | 2020-10-05T07:30:10 | {} | MEMBER |
ClickHouse | ClickHouse | 703,391,717 | 15,577 | alexey-milovidov | 4% will pay for 7 minutes and +450 MB binary size :) | 2020-10-05T04:38:47 | 2020-10-05T04:38:47 | {} | MEMBER |
ClickHouse | ClickHouse | 702,726,668 | 10,577 | spanningwings | This sounds like a tricky issue in that the correct behavior seems to disconnect all the clients when the server is gone. Like you pointed out, server #2 should not continue serving all the client requests that are meant for server #4. However, I suspect users would like to keep the behavior as-is for convenience reas... | 2020-10-02T13:13:35 | 2020-10-02T13:13:35 | {} | NONE |
ClickHouse | ClickHouse | 702,784,206 | 15,443 | alexey-milovidov | @ucasFL You can write
```
SET ...
SELECT ... FORMAT PrettyCompact
SELECT ... FORMAT Pretty
SELECT ... FORMAT PrettySpace
```
in .sql test. | 2020-10-02T14:59:34 | 2020-10-02T14:59:34 | {} | MEMBER |
ClickHouse | ClickHouse | 703,016,687 | 10,376 | alexey-milovidov | As far as I remember, there are some difficulties in adapting the semantics of watches. It is still in question whether it is possible to make it production ready. | 2020-10-03T00:52:12 | 2020-10-03T00:52:12 | {
"+1": 2
} | MEMBER |
ClickHouse | ClickHouse | 703,053,354 | 15,265 | bohutang | I think the `backup` user somewhere is wrong, it's not clickhouse side prolem.
You can check it by build a MySQL slave and change master to with this user.
| 2020-10-03T06:08:07 | 2020-10-03T06:08:07 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,205,288 | 15,323 | alexey-milovidov | Similar projects: https://devstats.cncf.io/ | 2020-10-04T05:28:49 | 2020-10-04T05:28:49 | {} | MEMBER |
ClickHouse | ClickHouse | 703,243,983 | 15,498 | l1t1 | but the Base 32 Alphabet of geohash.cpp is not same as https://tools.ietf.org/html/rfc4648
geohash.cpp
```
const char geohash_base32_encode_lookup_table[32] = {
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'b', 'c', 'd', 'e', 'f', 'g', 'h', 'j', 'k', 'm',
'n', 'p', 'q', 'r', 's', 't', 'u', 'v',... | 2020-10-04T11:49:17 | 2020-10-04T11:49:17 | {} | NONE |
ClickHouse | ClickHouse | 703,421,190 | 14,093 | alexey-milovidov | We need help reproducing this error with Lustre:
- to report a bug for them;
- to add a check in ClickHouse that O_DIRECT must be disabled if the filesystem is Lustre. | 2020-10-05T06:16:05 | 2020-10-05T06:16:05 | {} | MEMBER |
ClickHouse | ClickHouse | 702,707,969 | 5,293 | spanningwings | I create a pull request #15531 for it. | 2020-10-02T12:32:14 | 2020-10-02T12:32:14 | {
"+1": 1
} | NONE |
ClickHouse | ClickHouse | 702,727,095 | 15,461 | filimonov | BTW - build can also differ. Maybe some kind of build id / binary checksum? | 2020-10-02T13:14:28 | 2020-10-02T13:14:28 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 702,904,195 | 15,236 | alesapin | 4 threads ok. Let's try 8. | 2020-10-02T18:58:34 | 2020-10-02T18:58:34 | {} | MEMBER |
ClickHouse | ClickHouse | 703,034,703 | 15,442 | alexey-milovidov | Stress test: https://github.com/openssl/openssl/issues/11974 | 2020-10-03T02:40:04 | 2020-10-03T02:40:04 | {} | MEMBER |
ClickHouse | ClickHouse | 703,036,982 | 15,497 | alexey-milovidov | The only questionable part is how we calculate month and year.
Is there any references (from other products) that calculate it this way?
If the user will subtract two time points and format the difference, it will be strange to show that 1st Jan and 1st Feb differs in one month and 12 hours.
But if we will make ... | 2020-10-03T03:03:21 | 2020-10-03T03:03:56 | {} | MEMBER |
ClickHouse | ClickHouse | 703,109,313 | 15,127 | alexey-milovidov | > If implement multiversion storage, do we still need table-level locks for storagememory? It doesn't seem to be needed anymore?
Yes, there will be no table-level locks inside StorageMemory.
We only need a mutex, under which we will copy the list of blocks. | 2020-10-03T14:07:58 | 2020-10-03T14:07:58 | {} | MEMBER |
ClickHouse | ClickHouse | 703,117,730 | 15,073 | azat | >Compatibility check — glibc check failed
AFAIR understand rocksdb uses sync_file_range while there is no support in glibc-compatibility layer, so you can:
- add [sync_file_range.c](https://github.com/ontio/musl-mirror/blob/master/src/linux/sync_file_range.c) compatiblity like in #9833
- or disable it (but I woul... | 2020-10-03T15:06:54 | 2020-10-03T15:06:54 | {} | MEMBER |
ClickHouse | ClickHouse | 703,165,197 | 15,428 | haoch | I think the integration test case [`test_reload_zookeeper`](https://github.com/ClickHouse/ClickHouse/tree/master/tests/integration/test_reload_zookeeper) needs a fix to ensure `select_sequential_consistency = 1` and `optimize_trivial_count_query=1` in `users.xml`: https://github.com/ClickHouse/ClickHouse/pull/15428/com... | 2020-10-03T21:10:29 | 2020-10-03T21:10:29 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,251,831 | 15,498 | alexey-milovidov | Ok, then we cannot reuse this implementation as is. | 2020-10-04T12:57:41 | 2020-10-04T12:57:41 | {} | MEMBER |
ClickHouse | ClickHouse | 703,308,786 | 15,428 | haoch | @amosbird @alesapin Please review again if the PR is ready to merge. | 2020-10-04T20:07:03 | 2020-10-04T20:07:03 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,447,788 | 15,595 | alesapin | For some reason, `clang-10-aarch64` broken now.... | 2020-10-05T07:15:56 | 2020-10-05T07:15:56 | {} | MEMBER |
ClickHouse | ClickHouse | 703,452,700 | 15,607 | alexey-milovidov | What will happen if you don't specify any user and password? | 2020-10-05T07:25:42 | 2020-10-05T07:25:42 | {} | MEMBER |
ClickHouse | ClickHouse | 703,464,469 | 15,529 | filimonov | I think different types were used to try to workaround https://github.com/ClickHouse/ClickHouse/issues/11940#issuecomment-658823143 | 2020-10-05T07:50:18 | 2020-10-05T07:50:18 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 702,845,634 | 15,450 | CurtizJ | > Also, backward-incompatible change is the change from max function to any in GROUP BY TTL?
Yes. | 2020-10-02T16:58:41 | 2020-10-02T16:58:41 | {} | MEMBER |
ClickHouse | ClickHouse | 702,846,511 | 15,521 | meshpaul | > Currently `Nested` in `Nested` is not supported. #14196 just proposes type `Nested` with multiple nesting and this task is in development now.
Thanks @CurtizJ I misread that it was not supported and its part of the feature #14196 Thank you | 2020-10-02T17:00:43 | 2020-10-02T17:00:43 | {} | NONE |
ClickHouse | ClickHouse | 702,866,603 | 15,428 | haoch | @amosbird Added test case in `01513_count_without_select_sequence_consistency.sql` | 2020-10-02T17:38:39 | 2020-10-02T17:38:39 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 702,930,505 | 14,731 | azat | >Then how about split out 56187e6 ? This will reduce number of conflicts later
https://github.com/ClickHouse/ClickHouse/pull/15548 | 2020-10-02T19:58:04 | 2020-10-02T19:58:04 | {} | MEMBER |
ClickHouse | ClickHouse | 703,043,662 | 15,498 | alexey-milovidov | It will be useful and we already have quite decent implementation of base32 in `GeoHash.cpp`, we can reuse it. | 2020-10-03T04:18:52 | 2020-10-03T04:18:52 | {} | MEMBER |
ClickHouse | ClickHouse | 703,174,860 | 15,314 | den-crane | It's because you partitioned your table by `organization_id`-- `PARTITION BY (organization_id, toMonday(request_time))`
But your queries does not have `organization_id` predicate.
Simply change partition key to `PARTITION BY (toMonday(request_time))`
or better to `PARTITION BY (toYYYYMM(request_time))`
And you... | 2020-10-03T23:00:25 | 2020-10-03T23:00:39 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,523,511 | 15,236 | alesapin | All tests passed | 2020-10-05T09:44:45 | 2020-10-05T09:44:45 | {} | MEMBER |
ClickHouse | ClickHouse | 703,543,543 | 15,558 | alesapin | This fix not related to failed tests. Let's check in branch. | 2020-10-05T10:26:26 | 2020-10-05T10:26:26 | {} | MEMBER |
ClickHouse | ClickHouse | 702,080,478 | 15,443 | Avogar | @ucasFL Add test for this new setting, please. | 2020-10-01T11:49:12 | 2020-10-02T12:01:44 | {} | MEMBER |
ClickHouse | ClickHouse | 703,108,446 | 15,319 | alexey-milovidov | Stress test failure is fixed in #15456 | 2020-10-03T14:01:47 | 2020-10-03T14:01:47 | {} | MEMBER |
ClickHouse | ClickHouse | 703,249,322 | 15,542 | Avogar | > I don't understand whether this way of implementation is "the best".
> Maybe you can share more thoughts about it...
@alexey-milovidov Yes, I can:)
The main reason of using this way of Implementation is to differentiate two interfaces, interface of TDigest structure, written in the paper about this structure, an... | 2020-10-04T12:36:01 | 2020-10-04T12:36:01 | {} | MEMBER |
ClickHouse | ClickHouse | 703,394,049 | 15,413 | alexey-milovidov | For `countMatches` there will be only one function as we have only one `match` function.
BTW, case insensitiveness in regexp can be controlled by `(?i)` at the front of it.
(it also somewhat works for UTF-8: `SELECT match('ё', '(?i)Ё')` but without unicode normalization...)
For `countSubstrings` there should be fo... | 2020-10-05T04:50:19 | 2020-10-05T04:52:30 | {} | MEMBER |
ClickHouse | ClickHouse | 702,688,545 | 15,521 | CurtizJ | Currently `Nested` in `Nested` is not supported. #14196 just proposes type `Nested` with multiple nesting and this task is in development now. | 2020-10-02T11:46:59 | 2020-10-02T11:51:31 | {
"+1": 1,
"heart": 1
} | MEMBER |
ClickHouse | ClickHouse | 702,734,290 | 9,390 | spanningwings | Is this issue is to implement a hex dump function to dump the content in a raw format in the log? If you describe the needs in more detail, I may be able to help. Could you please describe the interface, where to add it, and how to use/test it? | 2020-10-02T13:28:35 | 2020-10-02T13:28:35 | {} | NONE |
ClickHouse | ClickHouse | 703,036,599 | 15,497 | alexey-milovidov | Ok. Let's add max time unit as the second argument (let's require this argument to be constant).
Later we can also add third argument with max precision. | 2020-10-03T02:59:14 | 2020-10-03T02:59:14 | {} | MEMBER |
ClickHouse | ClickHouse | 703,096,625 | 15,571 | alexey-milovidov | > Wouldn't it be a lot nicer if the HTTP Request is POST and the query is sent in the body, in this case theoretically we won't have any limitation?
This is exactly what is supported.
From the docs:
> Send the request as a URL ‘query’ parameter, or as a POST. Or send the beginning of the query in the ‘query’ par... | 2020-10-03T12:34:12 | 2020-10-03T12:34:12 | {} | MEMBER |
ClickHouse | ClickHouse | 703,107,237 | 15,378 | alexey-milovidov | @amosbird It's #13281 | 2020-10-03T13:53:15 | 2020-10-03T13:53:15 | {} | MEMBER |
ClickHouse | ClickHouse | 703,161,775 | 15,578 | azat | >Performance — 8 errors, 2 too long, 189 unstable
Does not looks related | 2020-10-03T20:37:35 | 2020-10-03T20:37:35 | {} | MEMBER |
ClickHouse | ClickHouse | 703,389,945 | 15,413 | filipecaixeta | Let me work on this issue.
Should we have only ASCII case sensitive or should we include CaseInsensitive, UTF8, CaseInsensitiveUTF8 ? | 2020-10-05T04:31:00 | 2020-10-05T04:31:00 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,506,255 | 15,610 | aubweb9 | @filimonov please find the requested :
[thead-28654.xlsx](https://github.com/ClickHouse/ClickHouse/files/5326382/thead-28654.xlsx)
[err.log](https://github.com/ClickHouse/ClickHouse/files/5326383/err.log)
[query.txt](https://github.com/ClickHouse/ClickHouse/files/5326384/query.txt)
| 2020-10-05T09:11:05 | 2020-10-05T09:11:05 | {} | NONE |
ClickHouse | ClickHouse | 702,661,300 | 15,420 | OmarBazaraa | > > > `ls -r /var/lib/clickhouse/data`?
> >
> >
> > It returns instantaneously.
>
> After server started?
Yes.
When the problem occurs, it only occurs when creating this `daemon_heartbeat` table. It never occurs for me with other tables. | 2020-10-02T10:45:11 | 2020-10-02T10:45:11 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 702,717,082 | 15,497 | Slach | @filipecaixeta , thanks so much for your efforts!
could we restrict maximum interval as second attibute?
something like
```
formatReadableTimeDelta(datetime_field, 'seconds')
``` | 2020-10-02T12:53:30 | 2020-10-02T12:53:30 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 702,972,580 | 14,403 | den-crane | There are a setting (merge_tree section config.xml)
_max_part_removal_threads │ 'auto(8)' │ 0 │ The number of threads for concurrent removal of inactive data parts. One is usually enough, but in 'Google Compute Environment SSD Persistent Disks' file removal (unlink) operati... | 2020-10-02T21:49:08 | 2020-10-02T21:49:08 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,027,412 | 15,497 | Slach | @filipecaixeta I prefer a second variant
It is more readable
| 2020-10-03T01:52:57 | 2020-10-03T01:52:57 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,115,431 | 14,749 | den-crane | fixed https://github.com/ClickHouse/ClickHouse/pull/14842 | 2020-10-03T14:49:51 | 2020-10-03T14:49:51 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,184,914 | 15,236 | alexey-milovidov | We can simply increase `max_concurrent_queries`, we don't care if server is overloaded. | 2020-10-04T01:15:56 | 2020-10-04T01:15:56 | {} | MEMBER |
ClickHouse | ClickHouse | 703,251,909 | 15,498 | alexey-milovidov | It's also worth to note that the base32 implementation from geohash is very inefficient (byte-by-byte processing). We can find or write something better. | 2020-10-04T12:58:18 | 2020-10-04T12:58:18 | {} | MEMBER |
ClickHouse | ClickHouse | 703,395,523 | 15,597 | alexey-milovidov | Interesting reading for our followers:
https://joel.net/how-one-guy-ruined-hacktoberfest2020-drama
https://pulkitsharma07.github.io/2020/10/02/hacktoberfest-india/ | 2020-10-05T04:57:25 | 2020-10-05T04:57:25 | {
"+1": 1
} | MEMBER |
ClickHouse | ClickHouse | 703,462,343 | 15,529 | filimonov | code_affilie is LowCardinality(String) in MergeTree table and simple string in Buffer table.
Minimal example:
```sql
DROP DATABASE IF EXISTS issue15529;
CREATE DATABASE issue15529;
CREATE TABLE issue15529.merge_tree_table1 (`s` LowCardinality(String)) ENGINE = MergeTree ORDER BY tuple();
CREATE TABLE issue1552... | 2020-10-05T07:46:04 | 2020-10-05T07:57:26 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,491,526 | 15,610 | aubweb9 | This issue is happening few times a day on our production server but I can't reproduce it manually.
I checked the queries associated to the query_id in the err.log, it's not always the same the but only common point is this view :
`CREATE VIEW datasources.view_mysql_last_insert_id_date
(
`htl_id` Int32,
... | 2020-10-05T08:42:45 | 2020-10-05T08:42:45 | {} | NONE |
ClickHouse | ClickHouse | 702,693,853 | 15,239 | alesapin | `test_distributed_over_live_view known` flaky test. | 2020-10-02T11:58:57 | 2020-10-02T11:58:57 | {} | MEMBER |
ClickHouse | ClickHouse | 702,714,217 | 15,523 | amosbird | The type you need is named tuple, which exists only in the codebase for now. Perhaps we can extend the parser to handle named tuple now based on tons of improvements in the past year. | 2020-10-02T12:47:05 | 2020-10-02T12:47:05 | {
"+1": 1
} | COLLABORATOR |
ClickHouse | ClickHouse | 703,016,288 | 10,376 | alexey-milovidov | @CpuID No, it's not ready for testing, because it does not pass CI tests.
There are known scenarios where it does not work correctly. | 2020-10-03T00:50:03 | 2020-10-03T00:50:03 | {} | MEMBER |
ClickHouse | ClickHouse | 703,087,686 | 15,073 | sundy-li | @alexey-milovidov
can you help resolve the `Compatibility check ` in spare time? I still have no idea about it :( . | 2020-10-03T11:19:40 | 2020-10-03T11:19:40 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,136,418 | 15,428 | amosbird | > Description check — Changelog entry is empty

And it's fixed by @alesapin .
> Yandex synchronization check (only for Yandex employees) ...
The PR is almost fine. Now it's waiting for an approve fr... | 2020-10-03T17:23:18 | 2020-10-03T17:23:18 | {} | COLLABORATOR |
ClickHouse | ClickHouse | 703,183,079 | 15,552 | UnamedRus | But, if yandex team runs that kind of command on server and it disrupts someone's server, is there a possibility to issue a lawsuit about hacking and taking down someone's service against yandex? | 2020-10-04T00:53:07 | 2020-10-04T00:53:07 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,198,951 | 15,552 | alexey-milovidov | @UnamedRus There is no point to run this scanner by ourself but someone else may do. | 2020-10-04T04:06:30 | 2020-10-04T04:06:30 | {} | MEMBER |
ClickHouse | ClickHouse | 703,336,303 | 15,596 | den-crane | >All connection tries failed. Log:
By default connection timeout is 50ms!!!!. (connect_timeout_with_failover_ms=50)
```
cat /etc/clickhouse-server/conf.d/connection_settings.xml
<?xml version="1.0"?>
<yandex>
<profiles>
<default>
<connect_timeout_with_failover_ms>1000</connect_timeo... | 2020-10-05T00:09:48 | 2020-10-05T00:10:34 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,415,798 | 15,577 | alexey-milovidov | PS. I cannot understand the reason for MSan error :( | 2020-10-05T06:01:33 | 2020-10-05T06:01:33 | {} | MEMBER |
ClickHouse | ClickHouse | 703,436,588 | 9,703 | KelovpString | I got the same problem, I already checked my Zookeeper cluster.It's work,but the click-cluster some ck-server throw this error. How to check this problem? It must be Zookeeper's error? | 2020-10-05T06:52:26 | 2020-10-05T06:52:26 | {} | NONE |
ClickHouse | ClickHouse | 703,488,598 | 11,940 | filimonov | @aubweb9 the issue you faced looks completely different, i've opened another issue for that, please add some details (when/how does it happen) into #15610 | 2020-10-05T08:36:52 | 2020-10-05T08:36:52 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,207,478 | 15,591 | Biki-das | EATE TABLE [IF NOT EXISTS] [db.]table_name [ON CLUSTER cluster]
(
name1 [type1] [DEFAULT|MATERIALIZED|ALIAS expr1] [TTL expr1],
name2 [type2] [DEFAULT|MATERIALIZED|ALIAS expr2] [TTL expr2],
...
INDEX index_name1 expr1 TYPE type1(...) GRANULARITY value1,
INDEX index_name2 expr2 TYPE type2(...) ... | 2020-10-04T05:57:14 | 2020-10-04T05:57:14 | {} | NONE |
ClickHouse | ClickHouse | 702,868,464 | 10,471 | 4ertus2 | Could be related #15538 | 2020-10-02T17:42:48 | 2020-10-02T17:42:48 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,086,996 | 15,429 | ucasfl | In fact, function `now` currently can accept an optional argument: timezone.[#15285](https://github.com/ClickHouse/ClickHouse/pull/15285) | 2020-10-03T11:12:56 | 2020-10-03T14:04:53 | {} | COLLABORATOR |
ClickHouse | ClickHouse | 703,142,118 | 15,497 | filipecaixeta | I took [humanize](https://github.com/jmoiron/humanize) python project as a reference
As you can see [here](https://github.com/jmoiron/humanize/blob/b37dc30ba61c2446eecb1a9d3e9ac8c9adf00f03/src/humanize/time.py#L462) they use 30.5 DAYS = 1 MONTH and 365 DAYS = 1 YEAR
But if you look at [humanize-duration](https://w... | 2020-10-03T18:06:16 | 2020-10-03T18:06:16 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 703,282,685 | 15,127 | ucasfl | Hi, I have added MultiVersion storage in StorageMemory, you can take a look at it if you have time. @Akazz @alexey-milovidov | 2020-10-04T16:45:52 | 2020-10-04T16:47:07 | {} | COLLABORATOR |
ClickHouse | ClickHouse | 703,509,288 | 15,610 | aubweb9 | Here's another log with the Received signal Segmentation fault (11) we just had but I guess It's completely different ...
[err.log_2.txt](https://github.com/ClickHouse/ClickHouse/files/5326416/err.log_2.txt)
| 2020-10-05T09:16:36 | 2020-10-05T09:16:36 | {} | NONE |
ClickHouse | ClickHouse | 704,510,399 | 15,667 | alesapin | Tests Ok | 2020-10-06T19:40:12 | 2020-10-06T19:40:12 | {} | MEMBER |
ClickHouse | ClickHouse | 704,622,093 | 15,700 | den-crane | ( , ) -- круглые скобки создают tuple в КХ
( , ) in (select , ) -- это специальный синтаксис SQL и тут tuple() КХ все немного ломает. Скобки в select не нужны.
Обратите внимание на разницу:
```
SELECT 1,2
┌─1─┬─2─┐
│ 1 │ 2 │
└───┴───┘
SELECT (1, 2)
┌─tuple(1, 2)─┐
│ (1,2) │
└─────────────┘
``` | 2020-10-07T00:26:06 | 2020-10-07T00:26:06 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 704,999,982 | 15,730 | den-crane | Please provide an example, tables DDLs?
What do you mean by "Enable caching" ? CH does not have a query cache. As far as I know this feature is not merged yet. | 2020-10-07T15:06:46 | 2020-10-08T00:34:35 | {} | CONTRIBUTOR |
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