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 | 812,679,114 | 22,377 | kitaisreal | Fixed in scope of https://github.com/ClickHouse/ClickHouse/pull/22493. | 2021-04-02T19:33:44 | 2021-04-02T19:33:44 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,994,509 | 22,373 | alesapin | One or two tests always crashed https://clickhouse-test-reports.s3.yandex.net/22373/75cd37f359c2cc3690734e3b50cf320dc21cbce6/clickhouse_keeper_jepsen.html | 2021-04-04T08:22:23 | 2021-04-04T08:22:23 | {} | MEMBER |
ClickHouse | ClickHouse | 812,476,711 | 22,481 | l1t1 | ```sql
SELECT count()
FROM
(
SELECT number
FROM system.numbers limit 5000000000) AS num1
INNER JOIN
(select number from system.numbers limit 1000) AS num2
ON num1.number = num2.number
Elapsed: 20.810 sec, read 5000063155 rows
SELECT count()
FROM
(
SELECT number
FROM system.number... | 2021-04-02T10:40:23 | 2021-04-02T10:40:23 | {} | NONE |
ClickHouse | ClickHouse | 812,479,639 | 22,494 | KochetovNicolai | Will backport #19771 instead. | 2021-04-02T10:50:21 | 2021-04-02T10:50:21 | {} | MEMBER |
ClickHouse | ClickHouse | 812,647,203 | 22,508 | alexey-milovidov | CC @afiskon | 2021-04-02T18:10:32 | 2021-04-02T18:10:32 | {} | MEMBER |
ClickHouse | ClickHouse | 812,704,731 | 22,482 | alexey-milovidov | Now I have this dataset on my disposal:
```
SELECT
sum(rows),
formatReadableSize(sum(bytes)),
sum(bytes) / sum(rows)
FROM system.parts
WHERE table = 'reddit'
Query id: 03ab356c-ced3-47ec-a3fe-9e207f32bfc2
┌──sum(rows)─┬─formatReadableSize(sum(bytes))─┬─divide(sum(bytes), sum(rows))─┐
│ 6738762... | 2021-04-02T20:45:32 | 2021-04-02T20:45:32 | {} | MEMBER |
ClickHouse | ClickHouse | 812,854,623 | 22,520 | kitaisreal | @stergiotis we plan put keys in tuple so syntax will be
```
sipHash64Keyed((k1, k2), m1, ..., mN)
sipHash128Keyed((k1, k2), m1, ..., mN)
``` | 2021-04-03T11:50:54 | 2021-04-03T11:50:54 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,897,402 | 18,956 | UnamedRus | @gersmann
https://github.com/ClickHouse/ClickHouse/pull/22044
```
21.5.1.6436
set prefer_column_name_to_alias=1;
SELECT
sum(C1) AS C1,
count(C1) AS C2
FROM
(
SELECT value AS C1
FROM system.asynchronous_metric_log
) AS ITBL
Query id: ef243910-c3c7-49d5-993c-f0072b8da5ac
┌──────────... | 2021-04-03T17:25:17 | 2021-04-03T17:25:17 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,927,863 | 21,102 | alexey-milovidov | @Enmk The test is flaky: https://clickhouse-test-reports.s3.yandex.net/22561/36b03b27401afcf0b0ee704c827a1f89d377e50e/functional_stateless_tests_(address).html#fail1 | 2021-04-03T21:27:14 | 2021-04-03T21:27:14 | {} | MEMBER |
ClickHouse | ClickHouse | 812,443,421 | 22,373 | alesapin | Ok https://clickhouse-test-reports.s3.yandex.net/22373/1fd7e7ccf10122271ec169807327ebe9068ab59d/clickhouse_keeper_jepsen.html | 2021-04-02T09:07:41 | 2021-04-02T09:07:41 | {} | MEMBER |
ClickHouse | ClickHouse | 812,482,186 | 18,978 | myrrc | The bug with invalid MergeTree state was fixed by replacing `part_info` (in initializing part from detached/) to `actual_part_info`.
The part being attached from local data contained the old part information (which was outdated by the attach time), so the in-memory parts state was corrupted.
```
test_4ntuw6.repl... | 2021-04-02T10:59:29 | 2021-04-02T10:59:29 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,510,666 | 22,373 | alesapin | ```
# Successful tests
store/clickhouse-keeper-quorum=true-counter-simple-partitioner/20210402T105726.000Z
store/clickhouse-keeper-quorum=true-total-queue-random-node-killer/20210402T110101.000Z
store/clickhouse-keeper-quorum=true-total-queue-all-nodes-hammer-time/20210402T110424.000Z
store/clickhouse-keeper-quo... | 2021-04-02T12:33:36 | 2021-04-02T12:33:45 | {} | MEMBER |
ClickHouse | ClickHouse | 812,530,274 | 22,495 | den-crane | Check the speed of queries to a local table (my_local_table)
curl -o log -sS 'http://uname:passwd@10.110.119.120:5566' -d 'select * from mydb.my_local_table'
vs
curl -o log -sS 'http://uname:passwd@10.996.996.996:8123' -d 'select * from mydb.my_local_table' | 2021-04-02T13:31:39 | 2021-04-02T13:31:39 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,546,442 | 22,509 | piatto-evision | > JOIN ON OR not supported yet. Use 2 queries and union all. Or convert Nulls to some values in subqueries.
>
> Work in progress #21320
Thanks so much for the reply Denny Crane.
I hope this feature will be implemented soon.
| 2021-04-02T14:08:09 | 2021-04-02T14:08:09 | {} | NONE |
ClickHouse | ClickHouse | 812,619,247 | 22,384 | ildus | @filimonov to be fair comparison should be between tuples :)
```
SELECT argMax(tuple(number, number)) FROM numbers(100000000)
1 rows in set. Elapsed: 4.440 sec. Processed 100.03 million rows, 800.21 MB (22.53 million rows/s., 180.22 MB/s.)
select max( tuple(number, number) ) from numbers(100000000);
1 rows in s... | 2021-04-02T17:04:19 | 2021-04-02T17:04:19 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,660,021 | 21,431 | alexey-milovidov | There is zero difference in performance. Also looks like no difference in test stability.
There are no queries with statistically significant speedup. | 2021-04-02T18:41:23 | 2021-04-02T18:41:23 | {} | MEMBER |
ClickHouse | ClickHouse | 812,660,407 | 21,431 | alexey-milovidov | Ok. | 2021-04-02T18:42:33 | 2021-04-02T18:42:33 | {} | MEMBER |
ClickHouse | ClickHouse | 812,694,710 | 21,888 | Avogar | I will check if it works | 2021-04-02T20:18:09 | 2021-04-02T20:18:09 | {} | MEMBER |
ClickHouse | ClickHouse | 812,916,067 | 22,563 | alexey-milovidov | `SELECT 1 GROUP BY emptyArrayToSingle(arrayFilter(x -> 1, []))` | 2021-04-03T19:43:20 | 2021-04-03T19:43:20 | {} | MEMBER |
ClickHouse | ClickHouse | 812,727,890 | 22,479 | alexey-milovidov | LGTM.
Discussed in TG. It's still possible to create non-trivial loops of dictionaries. | 2021-04-02T21:43:16 | 2021-04-02T21:43:16 | {} | MEMBER |
ClickHouse | ClickHouse | 812,840,624 | 22,325 | azat | >[AST fuzzer (ASan) — Fuzzer failed (107). See the logs.](https://clickhouse-test-reports.s3.yandex.net/22325/8e7fc45f385d622cb30d11c7476d3e2c4d08971a/fuzzer_asan/report.html#fail1)
`.sql` test was renamed to `.sh` and it breaks fuzzer, should be fixed by #22542 | 2021-04-03T09:33:24 | 2021-04-03T09:33:24 | {} | MEMBER |
ClickHouse | ClickHouse | 812,912,573 | 22,534 | alexey-milovidov | > AST fuzzer (debug) — Assertion `additional_bytes > 0' failed
https://github.com/ClickHouse/ClickHouse/issues/22563 | 2021-04-03T19:10:26 | 2021-04-03T19:10:26 | {} | MEMBER |
ClickHouse | ClickHouse | 812,915,692 | 22,563 | alexey-milovidov | Reproduced always. | 2021-04-03T19:40:35 | 2021-04-03T19:40:35 | {} | MEMBER |
ClickHouse | ClickHouse | 813,000,938 | 8,338 | olgarev | Internal documentation ticket: DOCSUP-8221 | 2021-04-04T09:15:39 | 2021-04-04T09:15:39 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,519,544 | 21,613 | den-crane | >When I process Array(Decimal(P, S)) , which kind of type should I return ?
The same time as the input type (Decimal(P, S)) and use float64 for calculations | 2021-04-02T13:01:28 | 2021-04-02T13:01:28 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,558,317 | 22,495 | haiertashu | > Check the speed of queries to a local table (my_local_table)
Thanks for your reply, select from local table also has different duration result.
```
run at Fri Apr 2 22:29:00 CST 2021
end at Fri Apr 2 22:29:45 CST 2021, query duration 45s, log count: 5593165 log.
run at Fri Apr 2 22:30:01 CST 2021
end at ... | 2021-04-02T14:38:16 | 2021-04-02T14:38:16 | {} | NONE |
ClickHouse | ClickHouse | 812,571,116 | 22,300 | akuzm | Our CI is dying, the time has come. | 2021-04-02T15:09:52 | 2021-04-02T15:09:52 | {
"laugh": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,644,036 | 22,096 | gyuton | Internal documentation ticket: DOCSUP-8214. | 2021-04-02T18:03:04 | 2021-04-02T18:03:04 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,654,773 | 22,475 | alexey-milovidov | > AST fuzzer (ASan) — 0x60c00023d09f is located 95 bytes inside of 128-byte region [0x60c00023d040
Unrelated error, @KochetovNicolai will look. | 2021-04-02T18:28:37 | 2021-04-02T18:28:37 | {} | MEMBER |
ClickHouse | ClickHouse | 812,660,360 | 21,431 | alexey-milovidov | Note that all performance tests are performed on Xeon Gold CPUs. Maybe there is some difference on other CPUs but we don't know.
@danlark1 do you think we should merge it? | 2021-04-02T18:42:26 | 2021-04-02T18:42:26 | {} | MEMBER |
ClickHouse | ClickHouse | 812,682,399 | 15,065 | alexey-milovidov | Welcome to post more wild ideas here. | 2021-04-02T19:43:02 | 2021-04-02T19:43:02 | {} | MEMBER |
ClickHouse | ClickHouse | 812,841,979 | 22,528 | alexey-milovidov | > Yandex synchronization check (only for Yandex employees)
Totally broken, @exprmntr | 2021-04-03T09:46:31 | 2021-04-03T09:46:31 | {} | MEMBER |
ClickHouse | ClickHouse | 812,868,142 | 22,516 | Jokser | @taiwhite
Did you try zero-copy option for 21.4 version?
```
<merge_tree>
<allow_s3_zero_copy_replication>1</allow_s3_zero_copy_replication>
</merge_tree>
``` | 2021-04-03T13:50:25 | 2021-04-03T13:50:44 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,679,984 | 21,476 | mastertheknife | > Maybe I needs try to build clickhouse without libunwind follow #20221
> I‘m not faminiar with c++ , how to build clickhouse without libunwind ?
Most likely.
You need to add -DUSE_UNWIND=OFF to cmake | 2021-04-02T19:36:25 | 2021-04-02T19:36:25 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,716,716 | 15,174 | alexey-milovidov | FYI. I have run the functional stateless tests in Docker (with qemu-user and binfmt-misc):
```
sudo apt install qemu-user-static
docker run --rm --privileged multiarch/qemu-user-static:register --reset
docker run -it --rm multiarch/ubuntu-core:arm64-bionic /bin/bash
apt update
apt install wget
wget https://cli... | 2021-04-02T21:09:11 | 2021-04-02T21:09:11 | {} | MEMBER |
ClickHouse | ClickHouse | 812,750,069 | 22,482 | alexey-milovidov | ```
SELECT
author,
count() AS c
FROM reddit
GROUP BY author
ORDER BY c DESC
LIMIT 100
Query id: f795d10b-4c4d-4db0-bd98-99733bd63378
┌─author───────────────┬─────────c─┐
│ [deleted] │ 642436502 │
│ AutoModerator │ 56695680 │
│ KeepingDankMemesDank │ 2228792 │
│ MemeInvestor... | 2021-04-02T23:13:05 | 2021-04-02T23:13:05 | {} | MEMBER |
ClickHouse | ClickHouse | 812,429,918 | 22,471 | filimonov | from telegram discussion
> Alexey Milovidov, [04/02/21 01:10]
> Everything is fine - this is exactly what we need! And it shouldn't be hard.
>
> Let's make a config as one of the (first) backend. And the names of the secrets will be as paths to the elements through a dot. Will already cover a bunch of cases at t... | 2021-04-02T08:52:45 | 2021-04-02T08:53:20 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,496,836 | 21,950 | adevyatova | @tavplubix please, review the fixes! | 2021-04-02T11:49:05 | 2021-04-02T11:49:05 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,672,037 | 22,242 | kitaisreal | @hexiaoting please use already production framework for such function creations in file arrayAggregation.cpp. | 2021-04-02T19:12:54 | 2021-04-02T19:12:54 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,748,223 | 22,323 | alexey-milovidov | Integration:
```
e = HTTPError('409 Client Error: Conflict for url: http+docker://localhost/v1.41/containers/5b28247074bad9b7697d6dc1e780be3645ad2b7a34f437196bc3e10293cc09fa/exec',)
def create_api_error_from_http_exception(e):
"""
Create a suitable APIError from requests.exceptions.HTTPErro... | 2021-04-02T23:04:32 | 2021-04-02T23:04:32 | {} | MEMBER |
ClickHouse | ClickHouse | 812,750,021 | 22,482 | alexey-milovidov | ```
SELECT
subreddit,
count() AS c
FROM reddit
GROUP BY subreddit
ORDER BY c DESC
LIMIT 100
Query id: e76cecdd-2dab-4e3d-9092-14be0272d75a
┌─subreddit─────────────┬─────────c─┐
│ AskReddit │ 481427082 │
│ politics │ 115094585 │
│ funny │ 89873950 │
│ pi... | 2021-04-02T23:12:52 | 2021-04-02T23:12:52 | {} | MEMBER |
ClickHouse | ClickHouse | 812,753,842 | 15,174 | l1t1 | nice job.
will arm64 version be public release now? | 2021-04-02T23:30:23 | 2021-04-02T23:30:23 | {} | NONE |
ClickHouse | ClickHouse | 812,954,965 | 15,174 | alexey-milovidov | I finally figured out why it has crashed under qemu-user.
It is "obviously" because of the query profiler.
Query profiler setups a signal by timer (either byt CPU or real time).
It's asking the OS kernel to send a signal to the application after some time.
But the application is qemu-user. And it correctly printi... | 2021-04-04T01:43:38 | 2021-04-04T01:43:38 | {} | MEMBER |
ClickHouse | ClickHouse | 812,305,925 | 14,298 | filimonov | Great effort! I think that it worth committing (at least some, or maybe most of) cmake patches to clickhouse main repo.
About external libs - for things like openldap or gsasl it's almost safe. With openssl it's more risky (should work, but clickhouse now switched to boringssl and for ex. aes_encrypt functions wor... | 2021-04-02T04:09:41 | 2021-04-02T09:32:42 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,625,364 | 22,413 | gyuton | Internal documentation ticket: DOCSUP-8209. | 2021-04-02T17:18:01 | 2021-04-02T17:18:01 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,654,488 | 21,087 | alexey-milovidov | Some tests did not succeed. | 2021-04-02T18:27:55 | 2021-04-02T18:28:09 | {} | MEMBER |
ClickHouse | ClickHouse | 812,682,818 | 15,065 | alexey-milovidov | Aggregate functions for graph processing.
Implement aggregate functions in form of `agg(id, parent_id)` that will treat `id -> parent_id` relations as graph edges and calculate various properties of the graph. | 2021-04-02T19:44:22 | 2021-04-02T19:44:49 | {} | MEMBER |
ClickHouse | ClickHouse | 812,760,246 | 15,174 | alexey-milovidov | Some issues are unresolved. | 2021-04-03T00:04:21 | 2021-04-03T00:04:21 | {} | MEMBER |
ClickHouse | ClickHouse | 812,842,130 | 18,978 | alexey-milovidov | @tavplubix @myrrc Sorry, the test is flaky: https://clickhouse-test-reports.s3.yandex.net/22528/5ba6c7b7314f25140320027f81654610c71df027/integration_tests_(release).html#fail1
Revert? | 2021-04-03T09:48:05 | 2021-04-03T09:48:05 | {} | MEMBER |
ClickHouse | ClickHouse | 812,842,731 | 22,510 | alexey-milovidov | > 01746_long_zlib_http_compression_json_format
#22534 | 2021-04-03T09:54:13 | 2021-04-03T09:54:13 | {} | MEMBER |
ClickHouse | ClickHouse | 812,958,836 | 15,174 | alexey-milovidov | Another way to run server in Docker:
```
find config.d users.d -type l | xargs -I {} bash -c 'cp --remove-destination $(dirname {})/$(readlink {}) {}'
docker run -it --rm --network host --volume $(pwd):/ClickHouse --workdir /ClickHouse --user $(id -u) multiarch/ubuntu-core:arm64-bionic ./clickhouse-aarch64 serve... | 2021-04-04T02:26:00 | 2021-04-04T02:26:00 | {} | MEMBER |
ClickHouse | ClickHouse | 812,976,368 | 22,560 | azat | >Do we have similar issue in Log or StripeLog?
Right, should be addressed in #22583 | 2021-04-04T05:31:45 | 2021-04-04T05:31:45 | {} | MEMBER |
ClickHouse | ClickHouse | 813,000,561 | 22,582 | alexey-milovidov | https://github.com/ClickHouse/ClickHouse/issues/22585 | 2021-04-04T09:12:43 | 2021-04-04T09:12:43 | {} | MEMBER |
ClickHouse | ClickHouse | 813,008,163 | 22,583 | azat | >[Stress test (address) — Killed by signal (in clickhouse-server.log)](https://clickhouse-test-reports.s3.yandex.net/22583/69296876005c0fa171c755f8b224e4d58192c402/stress_test_(address).html#fail1)
#22592 | 2021-04-04T10:17:04 | 2021-04-04T10:17:04 | {} | MEMBER |
ClickHouse | ClickHouse | 812,536,913 | 14,298 | mastertheknife | > https://presentations.clickhouse.tech/cpp_russia_2020/index.html
Interesting read :-)
Thank god for Google translate. I know how to read russian, but i don't know too much about the language itself, stopped learning too early.
> Actually we want to have only single option for official build for all distributio... | 2021-04-02T13:43:46 | 2021-04-02T13:43:46 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,995,045 | 22,342 | Yanbuc | thanks. I see . | 2021-04-04T08:26:32 | 2021-04-04T08:26:32 | {} | NONE |
ClickHouse | ClickHouse | 812,549,701 | 22,325 | azat | >I think it should be backported to 21.3. So maybe mark it a bugfix?
Well the only thing that will happen is one extra conversion (for LowCardinality columns for example), so I'm not sure that it worth it (although if 21.3 is LTS, then it make sense I guess) | 2021-04-02T14:16:35 | 2021-04-02T14:16:35 | {} | MEMBER |
ClickHouse | ClickHouse | 812,606,741 | 22,512 | timfeirg | in `docker pull yandex/clickhouse-server:21.2.7.11`, CLICKHOUSE_CONFIG has been changed, so you can't really use this image with current helm chart.
thanks, rubber duck. | 2021-04-02T16:37:25 | 2021-04-02T16:37:25 | {
"+1": 1
} | NONE |
ClickHouse | ClickHouse | 812,661,459 | 21,519 | gyuton | Internal documentation ticket: DOCSUP-8215. | 2021-04-02T18:45:38 | 2021-04-02T18:45:38 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,684,130 | 22,495 | den-crane | I don't see any clues.
Try to read from ngninx using VIP. Maybe the issue in VIP not in CH. | 2021-04-02T19:48:16 | 2021-04-02T19:48:16 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,749,028 | 22,323 | alexey-milovidov | Server failed to start with:
`Caught exception while loading metadata: Code: 36, e.displayText() = DB::Exception: Dictionary (`test_01676.dict`) not found: While processing CAST(dictGet('test_01676.dict', 'value', x) AS y_tmp_alter17144938244732776432, 'UInt64') AS y: default expression and column type are incompati... | 2021-04-02T23:07:58 | 2021-04-02T23:08:07 | {} | MEMBER |
ClickHouse | ClickHouse | 812,843,234 | 22,408 | alexey-milovidov | @UnamedRus Clarification needed. | 2021-04-03T10:00:08 | 2021-04-03T10:00:08 | {} | MEMBER |
ClickHouse | ClickHouse | 812,915,716 | 16,503 | excitoon | I removed manual testing on 16 threads and added tests for DiskS3 which use parallel multipart uploading. | 2021-04-03T19:40:43 | 2021-04-03T19:40:43 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,927,712 | 20,882 | alexey-milovidov | @azat The test is flaky: https://clickhouse-test-reports.s3.yandex.net/22561/36b03b27401afcf0b0ee704c827a1f89d377e50e/functional_stateless_tests_(memory).html#fail1 | 2021-04-03T21:25:41 | 2021-04-03T21:25:41 | {} | MEMBER |
ClickHouse | ClickHouse | 813,002,135 | 22,582 | alexey-milovidov | https://github.com/ClickHouse/ClickHouse/pull/22587 | 2021-04-04T09:25:14 | 2021-04-04T09:25:14 | {} | MEMBER |
ClickHouse | ClickHouse | 812,593,601 | 22,512 | timfeirg | investigating some config changes in `yandex/clickhouse-server:21.2.7.11`, closed for now. | 2021-04-02T16:04:56 | 2021-04-02T16:04:56 | {} | NONE |
ClickHouse | ClickHouse | 812,678,521 | 21,888 | alexey-milovidov | We don't have guarantee that one block has one contiguous range of data. So, it may not work. | 2021-04-02T19:32:00 | 2021-04-02T19:32:00 | {} | MEMBER |
ClickHouse | ClickHouse | 812,713,349 | 20,244 | alexey-milovidov | #22527 | 2021-04-02T20:59:29 | 2021-04-02T20:59:29 | {} | MEMBER |
ClickHouse | ClickHouse | 812,723,036 | 22,520 | alexey-milovidov | Makes sense. I see that SipHash accepts up to 128 bit key.
We can allow arbitrary number of additional integer parameters as long as they are less than 128 bit in total.
Another option is to simply allow one or two UInt64 parameters. | 2021-04-02T21:26:40 | 2021-04-02T21:27:22 | {} | MEMBER |
ClickHouse | ClickHouse | 812,749,561 | 22,323 | alexey-milovidov | @abyss7 Now the following remains:
- get rid of `ostream` when writing result;
- check if zero copy data reading is possible in `HTTPChunkedReadBuffer`. | 2021-04-02T23:10:32 | 2021-04-02T23:10:32 | {} | MEMBER |
ClickHouse | ClickHouse | 812,881,220 | 18,978 | myrrc | Flacky test fixed in https://github.com/ClickHouse/ClickHouse/pull/22543. | 2021-04-03T15:33:36 | 2021-04-03T15:33:36 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,938,922 | 22,564 | alexey-milovidov | Uncompressed CSVs are 1.2 TiB. | 2021-04-03T23:11:43 | 2021-04-03T23:11:54 | {} | MEMBER |
ClickHouse | ClickHouse | 812,398,008 | 18,722 | filimonov | @kitaisreal those catboost models are almost the same as dictionaries :) So maybe you can pick it?
Similar to SYSTEM RELOAD DICTIONARIES | 2021-04-02T07:53:26 | 2021-04-02T07:54:05 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,567,152 | 22,495 | den-crane | can you share verbose info `curl -vvvv ` for both | 2021-04-02T14:59:28 | 2021-04-02T14:59:28 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,648,351 | 22,473 | alexey-milovidov | We figured out that this change is wrong and we need first to create a test to prove that it is wrong. | 2021-04-02T18:13:04 | 2021-04-02T18:13:04 | {} | MEMBER |
ClickHouse | ClickHouse | 812,660,356 | 21,431 | danlark1 | Then I am ok not to merge it for now | 2021-04-02T18:42:25 | 2021-04-02T18:42:25 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,703,728 | 15,065 | alexey-milovidov | Key value data marts in ClickHouse.
Add `get` method for IStorage for simple key-value request. Dictionaries of type `cache` and `direct`, `Join` and `EmbeddedRocksDB` storages will implement this interface. Make Distributed tables to support this interface as well. Add memcached and/or subset of Redis compatible in... | 2021-04-02T20:42:46 | 2021-04-02T20:42:46 | {} | MEMBER |
ClickHouse | ClickHouse | 812,733,105 | 22,482 | alexey-milovidov | Scanning the `body` column is highly IO bound.
Higher levels of ZSTD may work better.
Also it's a good use case for full-text indices. | 2021-04-02T22:01:12 | 2021-04-02T22:01:12 | {} | MEMBER |
ClickHouse | ClickHouse | 812,852,031 | 22,408 | UnamedRus | I compiled library from github (v3.3)
createAvlTreeDigest(20)
/opt/test/build/.
0.05 1000.0
0.95 5799.999999999993
createMergingDigest(20)
/opt/test/build/.
0.05 1000.0
0.95 9000.0
And MergingDigest provides correct result.
But currect release 3.2 provides inaccurate result. | 2021-04-03T11:26:09 | 2021-04-03T11:29:06 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,926,248 | 22,564 | alexey-milovidov | Decompress:
`for i in {1901..2021}; do echo $i; mkdir $i && cd $i && tar xf ../$i.tar.gz && cd ..; done` | 2021-04-03T21:13:26 | 2021-04-03T21:13:26 | {} | MEMBER |
ClickHouse | ClickHouse | 812,955,294 | 15,174 | alexey-milovidov | Although it is supposed to work: https://qemu.readthedocs.io/en/latest/user/main.html | 2021-04-04T01:47:32 | 2021-04-04T01:47:32 | {} | MEMBER |
ClickHouse | ClickHouse | 812,389,864 | 22,467 | alesapin | No problems in this branch. | 2021-04-02T07:34:18 | 2021-04-02T07:34:18 | {} | MEMBER |
ClickHouse | ClickHouse | 812,548,027 | 22,384 | filimonov | ```
SELECT argMax(number, number) FROM numbers(100000000)
1 rows in set. Elapsed: 0.143 sec. Processed 100.03 million rows, 800.21 MB (697.61 million rows/s., 5.58 GB/s.)
select max( tuple(number, number) ) from numbers(100000000);
1 rows in set. Elapsed: 15.552 sec. Processed 100.03 million rows, 800.21 MB (6.4... | 2021-04-02T14:12:20 | 2021-04-02T14:12:20 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,656,718 | 22,514 | alesapin | Need to try enabled setting by default | 2021-04-02T18:33:03 | 2021-04-02T18:33:03 | {} | MEMBER |
ClickHouse | ClickHouse | 812,730,913 | 22,482 | alexey-milovidov | Quick stats:
```
SELECT
toMonday(created_date) AS k,
count() AS c,
bar(c, 0, 50000000, 25) AS bar_count,
uniq(author) AS authors,
bar(authors, 0, 5000000, 25) AS bar_authors,
uniq(subreddit) AS subreddits,
bar(subreddits, 0, 100000, 25) AS bar_subreddits
FROM reddit
GROUP BY k
... | 2021-04-02T21:53:56 | 2021-04-02T21:53:56 | {} | MEMBER |
ClickHouse | ClickHouse | 812,747,888 | 22,323 | alexey-milovidov | > Stress test (thread) — Fatal message in clickhouse-server.log
OOM | 2021-04-02T23:02:51 | 2021-04-02T23:02:51 | {} | MEMBER |
ClickHouse | ClickHouse | 812,841,271 | 22,325 | azat | >[Yandex synchronization check (only for Yandex employees)](https://a.yandex-team.ru/review/1712540)
>[Yandex third-party checks (only for Yandex employees)](https://a.yandex-team.ru/review/1712540)
Any clue? | 2021-04-03T09:39:24 | 2021-04-03T09:39:24 | {} | MEMBER |
ClickHouse | ClickHouse | 812,493,337 | 21,613 | hexiaoting | @den-crane Can you give me some advice？ | 2021-04-02T11:37:13 | 2021-04-02T11:37:13 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,538,170 | 22,509 | den-crane | JOIN ON OR not supported yet. Use 2 queries and union all. Or convert Nulls to some values in subqueries.
Work in progress https://github.com/ClickHouse/ClickHouse/pull/21320 | 2021-04-02T13:47:17 | 2021-04-02T13:50:05 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 812,624,335 | 8,467 | alesapin | https://github.com/ClickHouse/ClickHouse/pull/22514 | 2021-04-02T17:15:41 | 2021-04-02T17:15:41 | {} | MEMBER |
ClickHouse | ClickHouse | 812,627,427 | 21,888 | Avogar | @rt Can you please share scenarios of using deltaSum and deltaSumTimestamp? Now I see that both functions depend on the order and their result will be incorrect when using parallel aggregation (that is enabled as default, but In some cases, you can rely on the order of execution, this applies to cases when SELECT comes... | 2021-04-02T17:22:50 | 2021-04-02T19:22:47 | {} | MEMBER |
ClickHouse | ClickHouse | 812,775,940 | 22,482 | alexey-milovidov | ```
SELECT
toStartOfMonth(created_date) AS k,
round(avg(body ILIKE '%fuck%') * 100, 2) AS c,
bar(c * 100, 0, 500, 100) AS bar
FROM reddit
GROUP BY k
ORDER BY k ASC
Query id: dcc59961-e694-42b6-87c1-87a6c0b5736a
┌──────────k─┬────c─┬─bar───────────────────────────────────────────────────────────... | 2021-04-03T01:54:43 | 2021-04-03T01:54:43 | {} | MEMBER |
ClickHouse | ClickHouse | 812,842,200 | 22,528 | alexey-milovidov | > Integration tests (thread) — Timeout, fail: 0, passed: 1153, flaky: 1
Flaky test, @myrrc | 2021-04-03T09:48:49 | 2021-04-03T09:48:49 | {} | MEMBER |
ClickHouse | ClickHouse | 812,853,358 | 22,520 | stergiotis | @alexey-milovidov and @kitaisreal thanks for looking into this!
The proposal to allow for a variadic number of integers as key is IMHO ambiguous: With `k1,k2,m1,m2 UInt64`
`sipHash64Keyed(k1,m1,m2)` has the same signature as `sipHash64Keyed(k1,k2,m1)` but a different meaning. Taking an array of integers as key `sipH... | 2021-04-03T11:38:28 | 2021-04-03T11:38:28 | {} | NONE |
ClickHouse | ClickHouse | 812,924,643 | 22,564 | alexey-milovidov | `wget --continue https://www.ncei.noaa.gov/data/global-hourly/archive/csv/{1901..2021}.tar.gz`
> Downloaded: 121 files, 107G in 1h 34m 53s (19.2 MB/s) | 2021-04-03T21:00:04 | 2021-04-03T21:00:04 | {} | MEMBER |
ClickHouse | ClickHouse | 812,956,121 | 15,638 | alexey-milovidov | We will disable query profiler on AArch64. | 2021-04-04T01:55:39 | 2021-04-04T01:55:39 | {} | MEMBER |
ClickHouse | ClickHouse | 824,088,492 | 23,435 | kitaisreal | @AlexanderDobrokhodov we modified structure of our system.dictionaries table, it is backward incompatible change. It is not a bug. | 2021-04-21T14:04:44 | 2021-04-21T14:04:44 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 824,146,556 | 21,087 | vzakaznikov | @alexey-milovidov, I will fix these tests today. These tests are not failing due to timeouts but just need to be updated and will also work on making tests reliable. | 2021-04-21T15:19:32 | 2021-04-21T15:19:32 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 824,662,997 | 11,058 | kssenii | @Jokser, I moved some common part of disks s3 / hdfs into separate interface (only part related to metadata and clickhouse side methods), please take a look. | 2021-04-22T08:50:58 | 2021-04-22T08:50:58 | {} | MEMBER |
ClickHouse | ClickHouse | 824,742,106 | 23,059 | abyss7 | I.e. I've encountered the same situation recently when client specified an unknown setting. | 2021-04-22T11:00:17 | 2021-04-22T11:00:17 | {} | CONTRIBUTOR |
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