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 | 604,239,444 | 9,816 | xuyatian | close the issue. | 2020-03-26T05:36:11 | 2020-03-26T05:36:11 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,264,764 | 9,403 | alexey-milovidov | https://github.com/ClickHouse/ClickHouse/pull/9857 | 2020-03-26T07:02:47 | 2020-03-26T07:02:47 | {} | MEMBER |
ClickHouse | ClickHouse | 604,341,020 | 9,767 | alesapin | Don't need to cherry-pick anywhere. | 2020-03-26T10:09:46 | 2020-03-26T10:09:46 | {} | MEMBER |
ClickHouse | ClickHouse | 604,554,331 | 9,888 | alexey-milovidov | How to test:
```
$ qemu-x86_64-static -cpu qemu64 /usr/bin/clickhouse
warning: TCG doesn't support requested feature: CPUID.01H:ECX.vmx [bit 5]
qemu: uncaught target signal 4 (Illegal instruction) - core dumped
Illegal instruction (core dumped)
```
And yes, it didn't help. | 2020-03-26T17:09:54 | 2020-03-26T17:10:46 | {} | MEMBER |
ClickHouse | ClickHouse | 604,590,913 | 9,878 | amosbird | Please provide an isolated reproduceable test case. | 2020-03-26T18:11:20 | 2020-03-26T18:11:20 | {} | COLLABORATOR |
ClickHouse | ClickHouse | 604,648,129 | 9,884 | alexey-milovidov | Integration tests Ok. | 2020-03-26T19:48:45 | 2020-03-26T19:48:45 | {} | MEMBER |
ClickHouse | ClickHouse | 604,860,496 | 9,893 | qoega | @KochetovNicolai WeakHash32 for fixed string collide if filled with spaces
```
../dbms/src/Columns/tests/gtest_weak_hash_32.cpp:94: Failure
Expected: (num_collisions) <= (allowed_collisions), actual: 4 vs 0
[ FAILED ] WeakHash32.ColumnTuple_UInt64_FixedString (623 ms)
``` | 2020-03-27T07:45:28 | 2020-03-27T07:45:28 | {} | MEMBER |
ClickHouse | ClickHouse | 604,931,662 | 9,714 | 4ertus2 | Cannot reproduce on master with #9891
Test added. Take a look at test results. It seems to be OK:
https://github.com/ClickHouse/ClickHouse/pull/9891/files#diff-6161c59314c5c90f609ed51e0d826cf6R2
You may use some specific configuration. If so you need add more info here. | 2020-03-27T10:41:26 | 2020-03-27T12:00:24 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,998,153 | 9,886 | alesapin | I think we can merge without all tests, because last fix is just refactoring. | 2020-03-27T13:23:30 | 2020-03-27T13:23:30 | {} | MEMBER |
ClickHouse | ClickHouse | 605,041,983 | 9,781 | Enmk | > Will make sure it is fixed with #9574
Ooops, the issue is still there and requires separate fix. | 2020-03-27T14:50:14 | 2020-03-27T14:50:14 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 605,047,417 | 9,902 | alexey-milovidov | It means that your system does not support CPU instruction set that we use for ClickHouse (SSE 4.2).
It happens on build time because the intermediate build tool `flatc` is also build with this instruction set but it cannot run.
This is build issue. Intermediate tools must be built with the CPU instruction set of t... | 2020-03-27T15:00:00 | 2020-03-27T15:00:00 | {} | MEMBER |
ClickHouse | ClickHouse | 605,376,375 | 8,673 | alexey-milovidov | Failed. | 2020-03-28T01:41:30 | 2020-03-28T01:41:30 | {} | MEMBER |
ClickHouse | ClickHouse | 605,376,667 | 7,453 | alexey-milovidov | We have failed to finish this PR. | 2020-03-28T01:43:59 | 2020-03-28T01:43:59 | {} | MEMBER |
ClickHouse | ClickHouse | 604,585,577 | 9,837 | alexey-milovidov | @deadstar2011 It means that your CPU does not support SSE 4.2 instruction set that is required to run official ClickHouse packages.
To fix this issue you can either:
1. Build ClickHouse from source code without SSE 4.2. If you build it on your host system, it will be done automatically.
2. Run ClickHouse on other ... | 2020-03-26T18:00:53 | 2020-03-26T18:00:53 | {} | MEMBER |
ClickHouse | ClickHouse | 604,597,650 | 9,849 | alexey-milovidov | It looks like https://github.com/ClickHouse/ClickHouse/pull/8914 that was fixed in 20.3 and also backported in 20.1 starting from 20.1.4 | 2020-03-26T18:22:35 | 2020-03-26T18:22:35 | {} | MEMBER |
ClickHouse | ClickHouse | 604,937,788 | 9,901 | alesapin | Tsan report without fix:
```
==================
WARNING: ThreadSanitizer: data race (pid=26478)
Read of size 8 at 0x7b8000ef7b80 by thread T227 (mutexes: write M591233240794102704, write M572374417354488224):
#0 std::__1::shared_ptr<DB::BackgroundProcessingPoolTaskInfo>::get() const /home/alesap/code/cpp/Cli... | 2020-03-27T10:56:34 | 2020-03-27T10:56:34 | {} | MEMBER |
ClickHouse | ClickHouse | 605,227,020 | 9,624 | alesapin | `00804_test_delta_codec_compression` -- need to fix test.
`01086_odbc_roundtrip` -- looks like flap under tsan. | 2020-03-27T19:14:57 | 2020-03-27T19:14:57 | {} | MEMBER |
ClickHouse | ClickHouse | 604,295,255 | 9,875 | alexey-milovidov | PS. Our internal customers: Yandex Metrica, Yandex Banner System, Yandex Market, ... prefer stable versions over LTS, because they contain more fresh features and overall improvements. | 2020-03-26T08:26:29 | 2020-03-26T08:26:29 | {} | MEMBER |
ClickHouse | ClickHouse | 604,836,584 | 2,370 | qoega | I believe it can be considered fixed.
``` bash
clickhouse-client --query "SELECT base64Encode(toString(IPv6StringToNum('2001:4860:4860:0:0:0:0:8888'))) FORMAT JSONEachRow" | python3 -c "import json,sys,pprint; pprint.pprint( json.loads(sys.stdin.read(),encoding='latin1') )"
{"base64Encode(toString(IPv6StringToNum('2... | 2020-03-27T06:25:21 | 2020-03-27T06:25:21 | {} | MEMBER |
ClickHouse | ClickHouse | 605,369,735 | 9,410 | alexey-milovidov | What is the status? | 2020-03-28T00:46:12 | 2020-03-28T00:46:12 | {} | MEMBER |
ClickHouse | ClickHouse | 605,448,729 | 9,854 | alexey-milovidov | Fixed automatically in 20.1:
https://github.com/ClickHouse/ClickHouse/pull/8311, https://github.com/ClickHouse/ClickHouse/pull/8311/commits/272b7b4471254de0e5657869bb719488dfe17525
libc++ does not use pthread_rwlock:
```
milovidov@milovidov-desktop:~/work/ClickHouse/contrib/libcxx$ grep -r pthread_rwlock .
```... | 2020-03-28T13:39:44 | 2020-03-28T13:41:14 | {} | MEMBER |
ClickHouse | ClickHouse | 605,455,619 | 9,911 | blinkov | @FedericoCeratto thx for reporting, it'll be fixed soon with #9874 | 2020-03-28T14:35:47 | 2020-03-28T14:35:47 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,161,552 | 5,295 | garneja | Let me know if this fixes your issue and I can try to upstream it.
| 2020-03-26T00:36:25 | 2020-03-26T00:36:25 | {} | NONE |
ClickHouse | ClickHouse | 604,264,637 | 9,403 | alexey-milovidov | Yes, I have also validated this polygon and added a test. | 2020-03-26T07:02:25 | 2020-03-26T07:02:25 | {} | MEMBER |
ClickHouse | ClickHouse | 604,837,651 | 9,881 | qoega | There is a problem that `1.2` literal is treated as float, but not as decimal. For correct results for example there should be conditional parsing of literals with `.`. Otherwise there would be error if number would be converted from float to decimal. | 2020-03-27T06:29:15 | 2020-03-27T06:29:15 | {} | MEMBER |
ClickHouse | ClickHouse | 604,408,028 | 9,854 | filimonov | More searching around:
* https://github.com/google/re2/issues/22 - they claim it depends on linking.
* similar report on redhat (older version) https://access.redhat.com/solutions/98493
with summary "Root Cause: Application was releasing the lock twice".
* similar here: https://translate.google.com/translate?hl... | 2020-03-26T12:39:49 | 2020-03-26T12:39:49 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,997,827 | 9,861 | 4ertus2 | It's correlated subquery: `o.dummy` is from outer select but used in subselect. It's not a bug. #6697 | 2020-03-27T13:22:54 | 2020-03-27T13:33:46 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 605,353,000 | 9,904 | alexey-milovidov | You can copy Context if the copy will outlive all the references to it. | 2020-03-27T23:18:20 | 2020-03-27T23:18:20 | {} | MEMBER |
ClickHouse | ClickHouse | 605,420,063 | 8,639 | alesapin | All test failures are known except `01200_mutations_memory_consumption`. I think memory consumption maybe larger with sanitizers and it's OK. | 2020-03-28T09:39:42 | 2020-03-28T09:39:42 | {} | MEMBER |
ClickHouse | ClickHouse | 604,278,114 | 9,873 | filimonov | Looks like the original one is fixed earlier (by #9754) | 2020-03-26T07:42:21 | 2020-03-26T08:53:48 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,684,849 | 9,888 | alexey-milovidov | The test will pass after Docker image update. | 2020-03-26T21:03:46 | 2020-03-26T21:03:46 | {} | MEMBER |
ClickHouse | ClickHouse | 604,931,734 | 9,672 | 4ertus2 | Cannot reproduce on master with #9891
Test added. Take a look at test result. It seems to be OK:
https://github.com/ClickHouse/ClickHouse/pull/9891/files#diff-f8c0f778b2fb25c80f645ac2737f6d78R1
You may use some specific configuration. If so you need add more info here. | 2020-03-27T10:41:36 | 2020-03-27T12:00:42 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 605,004,234 | 9,887 | alex-zaitsev | @4ertus2 , agree. Moved to features section | 2020-03-27T13:35:29 | 2020-03-27T13:35:29 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 605,217,728 | 9,672 | UnamedRus | Same error on master version and [#9891]( https://github.com/ClickHouse/ClickHouse/pull/9891) pull request
```
ClickHouse client version 20.4.1.2810.
Connecting to localhost:9000 as user default.
Connected to ClickHouse server version 20.4.1 revision 54434.
SELECT '100' AS number
FROM d_numbers_remote AS n
WHE... | 2020-03-27T19:08:23 | 2020-03-27T19:08:23 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 605,224,955 | 9,624 | alesapin | Report for integration tests under asan and release. Failures is OK: https://clickhouse-test-reports.s3.yandex.net/9624/47a2c0728f72035cdd5b791b2c828628ebf585a2/integration_tests_(asan).html https://clickhouse-test-reports.s3.yandex.net/9624/47a2c0728f72035cdd5b791b2c828628ebf585a2/integration_tests_(release).html
| 2020-03-27T19:13:45 | 2020-03-27T19:21:18 | {} | MEMBER |
ClickHouse | ClickHouse | 605,393,369 | 9,334 | filimonov | Any updates here? | 2020-03-28T04:33:25 | 2020-03-28T04:33:25 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 605,444,601 | 9,909 | alexey-milovidov | The code LGTM. | 2020-03-28T13:01:42 | 2020-03-28T13:01:42 | {} | MEMBER |
ClickHouse | ClickHouse | 604,294,286 | 9,875 | alexey-milovidov | LTS versions are scheduled every half year.
The version is named LTS when the following conditions are met:
- at least half year has passed since previous LTS release;
- at least one big customer started to use this version.
Now half year has been passed since 19.14 and Yandex Cloud voted for 20.3 to be the nex... | 2020-03-26T08:24:20 | 2020-03-26T08:24:20 | {
"+1": 4
} | MEMBER |
ClickHouse | ClickHouse | 604,306,573 | 9,873 | filimonov | The case with complex PK is still broken (fixed in #9860)
```
create table test_mutation_oom engine=MergeTree ORDER BY (number,n2) as select number, rand() as n2, randomPrintableASCII(1024) as logline, '' as string from numbers(10000000);
alter table test_mutation_oom update string = extract(logline, '(a[a-zA-Z]+)'... | 2020-03-26T08:53:31 | 2020-03-26T08:54:04 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,443,846 | 9,843 | qoega | @AndLLA this problem is already fixed. And will be merged as bugfix to 20.1 and 20.3 afaik. | 2020-03-26T13:53:46 | 2020-03-26T13:53:46 | {} | MEMBER |
ClickHouse | ClickHouse | 604,580,229 | 9,849 | mvcalder-xbk | I extracted the stacktrace from the log. This is a different query that gives the same error:
`
│ Code: 12, e.displayText() = DB::Exception: Parameter out of bound in IColumnString::insertRangeFrom method. (version 20.1.2.4 (official build)) │ 0. 0xbc31d9c Poco::Exception::Exception(std::__1::basic_string<char, st... | 2020-03-26T17:50:53 | 2020-03-26T17:50:53 | {} | NONE |
ClickHouse | ClickHouse | 605,214,302 | 9,905 | alexey-milovidov | Maybe you can also utilize our new feature - write `'10M'` for the setting value? | 2020-03-27T19:00:08 | 2020-03-27T19:00:08 | {} | MEMBER |
ClickHouse | ClickHouse | 605,375,698 | 9,598 | alexey-milovidov | Sorry, it looks like this PR was not merged with upstream properly. Could you please rebase your commits? | 2020-03-28T01:34:50 | 2020-03-28T01:34:50 | {} | MEMBER |
ClickHouse | ClickHouse | 605,377,853 | 9,887 | leoones | > @4ertus2 , agree. Moved to features section
Hope to add in later versions | 2020-03-28T01:54:03 | 2020-03-28T01:54:03 | {} | NONE |
ClickHouse | ClickHouse | 605,390,599 | 5,295 | filimonov | @garneja please send a PR, and let's continue review there (otherwise we can forget/loose the patch). | 2020-03-28T04:00:04 | 2020-03-28T04:00:04 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,160,836 | 5,295 | garneja | There seems to be a race between the DDLWorker thread and DDLWorkerClnr threads during server startup. The snapshot of tasks read from zookeeper changes while DDLWorker is processing them. The following patch against 19.16.14.65 worked for us:
```
--- ClickHouse-19.16.14.65-stable-base/dbms/src/Interpreters/DDLWork... | 2020-03-26T00:33:42 | 2020-03-26T00:33:42 | {} | NONE |
ClickHouse | ClickHouse | 604,290,228 | 9,879 | alexey-milovidov | https://clickhouse.tech/docs/en/operations/settings/settings/#session_settings-output_format_json_quote_64bit_integers | 2020-03-26T08:14:11 | 2020-03-26T08:14:11 | {
"+1": 1
} | MEMBER |
ClickHouse | ClickHouse | 604,356,107 | 9,779 | alesapin | Don't need this in 20.1. | 2020-03-26T10:41:57 | 2020-03-26T10:41:57 | {} | MEMBER |
ClickHouse | ClickHouse | 604,558,019 | 9,759 | alexey-milovidov | Bug has been found: https://clickhouse-test-reports.s3.yandex.net/9857/df3c7094d5a33a39fada1afad4ff765554f00467/functional_stateless_tests_(debug)/clickhouse-server.log | 2020-03-26T17:16:10 | 2020-03-26T17:16:10 | {} | MEMBER |
ClickHouse | ClickHouse | 604,587,207 | 9,403 | alexey-milovidov | Fixed in master. | 2020-03-26T18:04:04 | 2020-03-26T18:04:04 | {} | MEMBER |
ClickHouse | ClickHouse | 604,926,019 | 9,877 | nvartolomei | There are some traces in query_thread_log if parallel mv insert is enabled and there are more than 1 mv attached per source. | 2020-03-27T10:27:54 | 2020-03-27T10:27:54 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 605,214,547 | 9,905 | alexey-milovidov | Also you can remove custom index granularity because now we have adaptive granularity. It should work even better. | 2020-03-27T19:00:46 | 2020-03-27T19:00:46 | {} | MEMBER |
ClickHouse | ClickHouse | 604,253,314 | 9,876 | undeadwing | @den-crane ok,thank you for the answer | 2020-03-26T06:24:57 | 2020-03-26T06:24:57 | {} | NONE |
ClickHouse | ClickHouse | 604,278,498 | 9,707 | oandrew | https://github.com/tomnomnom/gron ? | 2020-03-26T07:43:23 | 2020-03-26T07:43:23 | {
"+1": 1
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,582,975 | 9,888 | alexey-milovidov | Now it works. Added a test. | 2020-03-26T17:56:05 | 2020-03-26T17:56:05 | {} | MEMBER |
ClickHouse | ClickHouse | 604,657,403 | 5,997 | alanlans | I have same problem | 2020-03-26T20:06:26 | 2020-03-26T20:06:26 | {} | NONE |
ClickHouse | ClickHouse | 604,978,671 | 9,888 | alexey-milovidov | ASan and UBSan cannot support `sigjmp`, will disable it. | 2020-03-27T12:39:34 | 2020-03-27T12:39:34 | {} | MEMBER |
ClickHouse | ClickHouse | 605,384,883 | 6,044 | alexey-milovidov | Enough for now. | 2020-03-28T02:54:39 | 2020-03-28T02:54:39 | {} | MEMBER |
ClickHouse | ClickHouse | 604,109,952 | 9,836 | filimonov | Why? The query result would be not-consistent and non-determenistic. | 2020-03-25T22:00:06 | 2020-03-25T22:00:27 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,239,392 | 9,816 | xuyatian | Thanks for the tips. @filimonov
Our monitor tool recalculates the inserted rows by "system.events.InsertedRows/uptime". so there was a decrement. | 2020-03-26T05:36:01 | 2020-03-26T05:36:01 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,496,738 | 9,854 | Akazz | @filimonov, as per your examples.
It must be pointed out, that in our case the internal futex (`__lock`) is set to 1 and `__nr_readers` - to 4 bln. readers. One way to interpert it is: the internal lock is free and we have 1 contestant thread that intends to acquire it, but at the same time our rdlock() call is stuc... | 2020-03-26T15:29:45 | 2020-03-26T15:29:45 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,594,863 | 9,849 | mvcalder-xbk | I'll check.
| 2020-03-26T18:18:17 | 2020-03-26T18:18:17 | {} | NONE |
ClickHouse | ClickHouse | 604,595,098 | 9,840 | vitlibar | No need to backport to `19.14` - `20.3`. | 2020-03-26T18:18:39 | 2020-03-26T18:18:39 | {} | MEMBER |
ClickHouse | ClickHouse | 604,995,430 | 9,810 | akuzm | Can be reproduced even simpler:
```
:) select cast(2 as String), * from (select 2 "'String'")
Received exception from server (version 20.4.1):
Code: 43. DB::Exception: Received from localhost:9000. DB::Exception: Second argument to CAST must be a constant string describing type. Stack trace:
```
Technical n... | 2020-03-27T13:18:02 | 2020-03-27T13:18:02 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 605,286,733 | 8,639 | alesapin | `02000_optimize_skip_unused_shards_type_mismatch` accidentely cherry-picked test. | 2020-03-27T19:50:50 | 2020-03-27T19:50:50 | {} | MEMBER |
ClickHouse | ClickHouse | 604,765,900 | 9,878 | yuzhichang | @amosbird I've updated description. | 2020-03-27T01:17:40 | 2020-03-27T01:17:40 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,783,693 | 9,836 | hustnn | @filimonov
Now, all parts are loaded into memory, then the query can run. As the the number of parts become more and more, the query will be blocked for longer time.
I am thinking whether the loading and running can be done in parallel. For example, we have 10 million parts, we can load the first 10k first, then... | 2020-03-27T02:34:32 | 2020-03-27T02:34:32 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,938,018 | 9,893 | KochetovNicolai | It is ok if `WeakHash32` fails. Just means that there were +4 collisions, and we need to add some limit. | 2020-03-27T10:57:05 | 2020-03-27T10:57:05 | {} | MEMBER |
ClickHouse | ClickHouse | 605,287,875 | 8,639 | alesapin | `00804_test_delta_codec_compression` need to fix test in this branch. | 2020-03-27T19:53:52 | 2020-03-27T19:53:52 | {} | MEMBER |
ClickHouse | ClickHouse | 605,449,141 | 9,854 | alexey-milovidov | But the root cause of the issue can be different.
Move with TTL still considered as experimental feature because some integration tests known to fail:
https://github.com/ClickHouse/ClickHouse/pull/8377
https://github.com/ClickHouse/ClickHouse/pull/8840
| 2020-03-28T13:43:31 | 2020-03-28T13:43:31 | {} | MEMBER |
ClickHouse | ClickHouse | 605,458,400 | 9,912 | blinkov | Well, we don't really have an infrastructure for that at the moment. Documentation is completely rebuilt on each release (including all languages and old versions) and it takes way too long even with current limited depth. | 2020-03-28T14:58:02 | 2020-03-28T14:58:02 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,108,948 | 9,816 | filimonov | I have no ideas, it should only increment.
https://github.com/ClickHouse/ClickHouse/blob/461c4919d3dc6a76424976697df5ba40ab8a0882/dbms/src/DataStreams/CountingBlockOutputStream.cpp#L22
Maybe just some silly rounding error of your monitoring tool, or your clickhouse-server was restarted?
Can you show some grap... | 2020-03-25T21:57:20 | 2020-03-25T21:57:20 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,459,862 | 9,883 | oleg-savko | After rebuild libcatboostmodel.so from catboost master repo, all start to work fine.
For future it would be good that new changes/formats from catboost and errors from libcatboostmodel.so doesn't lead to fatal crash of clickhouse server. | 2020-03-26T14:23:41 | 2020-03-26T14:23:41 | {} | NONE |
ClickHouse | ClickHouse | 604,566,008 | 9,510 | arsenicum | I've looked at the code and found this https://github.com/ClickHouse/ClickHouse/blob/master/base/common/DateLUTImpl.h#L640:
```c++
inline time_t toStartOfHourInterval(time_t t, UInt64 hours) const
{
if (hours == 1)
return toStartOfHour(t);
UInt64 seconds = hours * 3600;
... | 2020-03-26T17:27:29 | 2020-03-26T17:27:29 | {} | NONE |
ClickHouse | ClickHouse | 605,214,756 | 9,810 | alexey-milovidov | ```
SELECT concat('xyz', 'abc'), * FROM (SELECT 2 AS `'xyz'`)
``` | 2020-03-27T19:01:15 | 2020-03-27T19:01:15 | {} | MEMBER |
ClickHouse | ClickHouse | 604,203,076 | 9,876 | den-crane | https://clickhouse.tech/docs/en/operations/table_engines/summingmergetree/
....
**If the values were 0 in all of the columns for summation, the row is deleted.**
... | 2020-03-26T03:10:28 | 2020-03-26T03:10:28 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,229,177 | 9,403 | vicchen7 | > @vicchen7 I'm trying to figure out why the result is not correct.
> By the way, what tool did you use to draw this picture?
I used below URL to draw and I separate all polygons to draw one by one but not found self-intersections.
http://jsfiddle.net/asnyder14/9dxbcr4f/embedded/result/
| 2020-03-26T04:56:10 | 2020-03-26T04:56:10 | {} | NONE |
ClickHouse | ClickHouse | 604,923,998 | 9,898 | nvartolomei | `$rate` is implemented by the Grafana plugin and has nothing to do with ClickHouse itself.
It is documented here https://github.com/Vertamedia/clickhouse-grafana#ratecols---converts-query-results-as-change-rate-per-interval
If you have more questions it is more appropriate to ask them there https://github.com/Verta... | 2020-03-27T10:23:08 | 2020-03-27T10:23:08 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,961,200 | 5,615 | Tarasovych | Same issue here.
```
0. cppkafka::HandleException::HandleException(cppkafka::Error) @ 0x1016825a in /usr/bin/clickhouse
1. ? @ 0x1016ff12 in /usr/bin/clickhouse
2. cppkafka::Consumer::get_offsets_committed(std::__1::vector<cppkafka::TopicPartition, std::__1::allocator<cppkafka::TopicPartition> > const&) const @ 0x1... | 2020-03-27T11:58:30 | 2020-03-27T11:59:25 | {} | NONE |
ClickHouse | ClickHouse | 604,970,488 | 9,810 | 4ertus2 | Related #7798 | 2020-03-27T12:22:31 | 2020-03-27T12:22:31 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,998,461 | 9,887 | 4ertus2 | > Missing columns: "x" while processing query #9861
It's an error for not implemented #6697. So it's a feature too. | 2020-03-27T13:24:06 | 2020-03-27T13:34:39 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 605,214,071 | 9,905 | alexey-milovidov | Ok, but what's wrong with stateful test?
There should be non-zero values in system.columns because test.hits table exists. | 2020-03-27T18:59:32 | 2020-03-27T18:59:32 | {} | MEMBER |
ClickHouse | ClickHouse | 605,454,697 | 9,854 | alexey-milovidov | https://stackoverflow.com/questions/43309333/stdshared-mutex-with-stdshared-lock-is-reader-or-writer-preferring
https://stackoverflow.com/questions/12082405/boost-shared-lock-read-preferred/13445989#13445989
https://reviews.llvm.org/D10480#1157111 | 2020-03-28T14:28:40 | 2020-03-28T14:28:40 | {} | MEMBER |
ClickHouse | ClickHouse | 604,788,003 | 9,836 | den-crane | @hustnn CH design expects a small number of parts. The reason of that is a performance.
Every part === random seek. Million random seeks agains an HDD disk (200 seeks per second) is equal 5000 seconds. So if your query needs to process 1mil parts it will take at least 1.38hour just to navigate to these files. That's w... | 2020-03-27T02:53:06 | 2020-03-27T03:50:05 | {
"+1": 2
} | CONTRIBUTOR |
ClickHouse | ClickHouse | 605,376,112 | 9,178 | alexey-milovidov | It does not look like the proper solution.
If more parts are selected for move, maybe we should reserve a space on disk to avoid selection of excessive amount of parts? | 2020-03-28T01:38:57 | 2020-03-28T01:38:57 | {} | MEMBER |
ClickHouse | ClickHouse | 605,377,438 | 6,697 | leoones | > Correlated subqueries are not supported, and currently no schedule for implementing that.
>
> You can rewrite your query using JOIN.
>
> P.S. We still have no issue to track requests for that feature. Let's use this one.
Eager to have these functions ，
| 2020-03-28T01:50:56 | 2020-03-28T01:50:56 | {
"+1": 23
} | NONE |
ClickHouse | ClickHouse | 605,377,644 | 9,887 | leoones | > @4ertus2 , agree. Moved to features section
really want these features ！
| 2020-03-28T01:52:35 | 2020-03-28T01:52:35 | {} | NONE |
ClickHouse | ClickHouse | 604,190,774 | 9,841 | ghost | @alexey-milovidov @hczhcz
I made it as default.
If there's any other problems please let me know.
Thank you. | 2020-03-26T02:23:56 | 2020-03-26T02:23:56 | {} | NONE |
ClickHouse | ClickHouse | 604,210,542 | 9,837 | deadstar2011 | > Please replace the entypoint with something simple like bash, and check if $CLICKHOUSE_CONFIG file is readable and `clickhouse extract-from-config --config-file $CLICKHOUSE_CONFIG --key=logger.log` returns good value.
Hi. Here is output:
```
root@1a89101941e4:/# echo $CLICKHOUSE_CONFIG
/etc/clickhouse-server/co... | 2020-03-26T03:39:02 | 2020-03-26T03:52:49 | {} | NONE |
ClickHouse | ClickHouse | 604,276,223 | 9,707 | maqroll | Inspiration: [catj](https://github.com/soheilpro/catj) | 2020-03-26T07:36:49 | 2020-03-26T07:36:49 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,594,074 | 9,849 | alexey-milovidov | We have bugfixes for similar issue recently.
Does it reproduce on 20.1.8 or 20.3.4? | 2020-03-26T18:17:07 | 2020-03-26T18:17:07 | {} | MEMBER |
ClickHouse | ClickHouse | 604,804,358 | 9,759 | Vxider | After digging the CI tests in the latest PRs, I found that the problem comes from the following exception:
* `Unknown codec family code: 0` from `CompressionFactory.cpp:77` [log](https://clickhouse-test-reports.s3.yandex.net/9886/f417d3b11f2ab4bb16c8717c894097b70d58e5be/functional_stateless_tests_(debug)/test_run.tx... | 2020-03-27T04:08:21 | 2020-03-27T04:08:21 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 605,063,733 | 9,854 | filimonov | Yep... But the fact it started only with moves (and never before) is still quite suspicious for me. During moves parts cloning happen - here:
https://github.com/ClickHouse/ClickHouse/blob/193049293a952153b62038e4c9487c5660ca6238/dbms/src/Storages/MergeTree/MergeTreePartsMover.cpp#L137-L153 )
With replacement of par... | 2020-03-27T15:31:04 | 2020-03-27T15:31:04 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 605,373,625 | 9,196 | alexey-milovidov | ```
2020-03-27 21:27:01 /build/obj-x86_64-linux-gnu/../dbms/src/Processors/Formats/Impl/RegexpRowInputFormat.cpp:35:58: error: method 'stringToFormat' can be made static [readability-convert-member-functions-to-static,-warnings-as-errors]
2020-03-27 21:27:01 RegexpRowInputFormat::ColumnFormat RegexpRowInputFormat::st... | 2020-03-28T01:16:51 | 2020-03-28T01:16:51 | {} | MEMBER |
ClickHouse | ClickHouse | 605,391,878 | 5,997 | filimonov | > I have same problem
What type of filesystem do you use? | 2020-03-28T04:14:03 | 2020-03-28T04:14:13 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 604,213,483 | 9,843 | AndLLA | Please add the fix for memory consumption on delete mutations (#9860) | 2020-03-26T03:51:30 | 2020-03-26T03:51:30 | {} | NONE |
ClickHouse | ClickHouse | 604,857,426 | 9,893 | qoega | We should update reference - result after changes is more like we expect.
```
2020-03-27 03:36:32 --- /usr/share/clickhouse-test/queries/1_stateful/00034_aggregate_key_fixed_string.reference 2020-03-27 02:16:28.000000000 +0300
2020-03-27 03:36:32 +++ /tmp/clickhouse-test/1_stateful/00034_aggregate_key_fixed_string.s... | 2020-03-27T07:36:24 | 2020-03-27T07:36:24 | {} | MEMBER |
ClickHouse | ClickHouse | 605,238,919 | 9,714 | UnamedRus | ClickHouse client version 20.4.1.2810.
Connecting to localhost:9000 as user default.
Connected to ClickHouse server version 20.4.1 revision 54434.
```
CREATE TABLE d_one_remote (dummy UInt8) ENGINE = Distributed(test_cluster_two_shards, system, one, rand());
CREATE TABLE d_one_local (dummy UInt8) ENGINE = Distri... | 2020-03-27T19:19:39 | 2020-03-27T19:19:39 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 605,211,588 | 9,672 | UnamedRus | Clickhouse server version 20.3.4
```
CREATE TABLE d_numbers_local (number UInt32) ENGINE = Distributed(test_cluster_two_shards_localhost, system, numbers, rand());
CREATE TABLE d_numbers_remote (number UInt32) ENGINE = Distributed(test_cluster_two_shards, system, numbers, rand());
SET experimental_use_processors ... | 2020-03-27T18:53:33 | 2020-03-27T19:23:00 | {} | CONTRIBUTOR |
ClickHouse | ClickHouse | 589,233,858 | 9,256 | alexey-milovidov | Let's list the most needed functions.
Now we only have `basename` function.
1. parentPath(path) | 2020-02-20T18:14:42 | 2020-02-20T18:14:42 | {} | MEMBER |
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