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32 lines
5.2 KiB
Markdown
32 lines
5.2 KiB
Markdown
---
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sidebar_position: 1
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sidebar_label: 2022
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---
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# 2022 Changelog
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### ClickHouse release v22.8.9.24-lts (a1b69551d40) FIXME as compared to v22.8.8.3-lts (ac5a6cababc)
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#### Performance Improvement
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* Backported in [#43012](https://github.com/ClickHouse/ClickHouse/issues/43012): Keeper performance improvement: improve commit performance for cases when many different nodes have uncommitted states. This should help with cases when a follower node can't sync fast enough. [#42926](https://github.com/ClickHouse/ClickHouse/pull/42926) ([Antonio Andelic](https://github.com/antonio2368)).
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#### Improvement
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* Backported in [#42840](https://github.com/ClickHouse/ClickHouse/issues/42840): Update tzdata to 2022f. Mexico will no longer observe DST except near the US border: https://www.timeanddate.com/news/time/mexico-abolishes-dst-2022.html. Chihuahua moves to year-round UTC-6 on 2022-10-30. Fiji no longer observes DST. See https://github.com/google/cctz/pull/235 and https://bugs.launchpad.net/ubuntu/+source/tzdata/+bug/1995209. [#42796](https://github.com/ClickHouse/ClickHouse/pull/42796) ([Alexey Milovidov](https://github.com/alexey-milovidov)).
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#### Build/Testing/Packaging Improvement
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* Backported in [#42964](https://github.com/ClickHouse/ClickHouse/issues/42964): Before the fix, the user-defined config was preserved by RPM in `$file.rpmsave`. The PR fixes it and won't replace the user's files from packages. [#42936](https://github.com/ClickHouse/ClickHouse/pull/42936) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
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* Backported in [#43040](https://github.com/ClickHouse/ClickHouse/issues/43040): Add a CI step to mark commits as ready for release; soft-forbid launching a release script from branches but master. [#43017](https://github.com/ClickHouse/ClickHouse/pull/43017) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
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#### Bug Fix (user-visible misbehavior in official stable or prestable release)
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* Backported in [#42720](https://github.com/ClickHouse/ClickHouse/issues/42720): Fixed `Unknown identifier (aggregate-function)` exception which appears when a user tries to calculate WINDOW ORDER BY/PARTITION BY expressions over aggregate functions: ``` CREATE TABLE default.tenk1 ( `unique1` Int32, `unique2` Int32, `ten` Int32 ) ENGINE = MergeTree ORDER BY tuple() SETTINGS index_granularity = 8192; SELECT ten, sum(unique1) + sum(unique2) AS res, rank() OVER (ORDER BY sum(unique1) + sum(unique2) ASC) AS rank FROM _complex GROUP BY ten ORDER BY ten ASC; ``` which gives: ``` Code: 47. DB::Exception: Received from localhost:9000. DB::Exception: Unknown identifier: sum(unique1); there are columns: unique1, unique2, ten: While processing sum(unique1) + sum(unique2) ASC. (UNKNOWN_IDENTIFIER) ```. [#39762](https://github.com/ClickHouse/ClickHouse/pull/39762) ([Vladimir Chebotaryov](https://github.com/quickhouse)).
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* Backported in [#42748](https://github.com/ClickHouse/ClickHouse/issues/42748): A segmentation fault related to DNS & c-ares has been reported. The below error ocurred in multiple threads: ``` 2022-09-28 15:41:19.008,2022.09.28 15:41:19.008088 [ 356 ] {} <Fatal> BaseDaemon: ######################################## 2022-09-28 15:41:19.008,"2022.09.28 15:41:19.008147 [ 356 ] {} <Fatal> BaseDaemon: (version 22.8.5.29 (official build), build id: 92504ACA0B8E2267) (from thread 353) (no query) Received signal Segmentation fault (11)" 2022-09-28 15:41:19.008,2022.09.28 15:41:19.008196 [ 356 ] {} <Fatal> BaseDaemon: Address: 0xf Access: write. Address not mapped to object. 2022-09-28 15:41:19.008,2022.09.28 15:41:19.008216 [ 356 ] {} <Fatal> BaseDaemon: Stack trace: 0x188f8212 0x1626851b 0x1626a69e 0x16269b3f 0x16267eab 0x13cf8284 0x13d24afc 0x13c5217e 0x14ec2495 0x15ba440f 0x15b9d13b 0x15bb2699 0x1891ccb3 0x1891e00d 0x18ae0769 0x18ade022 0x7f76aa985609 0x7f76aa8aa133 2022-09-28 15:41:19.008,2022.09.28 15:41:19.008274 [ 356 ] {} <Fatal> BaseDaemon: 2. Poco::Net::IPAddress::family() const @ 0x188f8212 in /usr/bin/clickhouse 2022-09-28 15:41:19.008,2022.09.28 15:41:19.008297 [ 356 ] {} <Fatal> BaseDaemon: 3. ? @ 0x1626851b in /usr/bin/clickhouse 2022-09-28 15:41:19.008,2022.09.28 15:41:19.008309 [ 356 ] {} <Fatal> BaseDaemon: 4. ? @ 0x1626a69e in /usr/bin/clickhouse ```. [#42234](https://github.com/ClickHouse/ClickHouse/pull/42234) ([Arthur Passos](https://github.com/arthurpassos)).
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* Backported in [#43062](https://github.com/ClickHouse/ClickHouse/issues/43062): Fix rare NOT_FOUND_COLUMN_IN_BLOCK error when projection is possible to use but there is no projection available. This fixes [#42771](https://github.com/ClickHouse/ClickHouse/issues/42771) . The bug was introduced in https://github.com/ClickHouse/ClickHouse/pull/25563. [#42938](https://github.com/ClickHouse/ClickHouse/pull/42938) ([Amos Bird](https://github.com/amosbird)).
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#### NOT FOR CHANGELOG / INSIGNIFICANT
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* Do not warn about kvm-clock [#41217](https://github.com/ClickHouse/ClickHouse/pull/41217) ([Sergei Trifonov](https://github.com/serxa)).
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* Revert revert 41268 disable s3 parallel write for part moves to disk s3 [#42617](https://github.com/ClickHouse/ClickHouse/pull/42617) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
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* Always run `BuilderReport` and `BuilderSpecialReport` in all CI types [#42684](https://github.com/ClickHouse/ClickHouse/pull/42684) ([Mikhail f. Shiryaev](https://github.com/Felixoid)).
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