ClickHouse/docs/changelogs/v23.8.10.43-lts.md

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1	2024

2024 Changelog

ClickHouse release v23.8.10.43-lts (a278225bba) FIXME as compared to v23.8.9.54-lts (192a1d231f)

Improvement

• Backported in #58819: Add SYSTEM JEMALLOC PURGE for purging unused jemalloc pages, SYSTEM JEMALLOC [ ENABLE | DISABLE | FLUSH ] PROFILE for controlling jemalloc profile if the profiler is enabled. Add jemalloc-related 4LW command in Keeper: jmst for dumping jemalloc stats, jmfp, jmep, jmdp for controlling jemalloc profile if the profiler is enabled. #58665 (Antonio Andelic).
• Backported in #60286: Copy S3 file GCP fallback to buffer copy in case GCP returned Internal Error with GATEWAY_TIMEOUT HTTP error code. #60164 (Maksim Kita).

Build/Testing/Packaging Improvement

• Backported in #59879: If you want to run initdb scripts every time when ClickHouse container is starting you shoud initialize environment varible CLICKHOUSE_ALWAYS_RUN_INITDB_SCRIPTS. #59808 (Alexander Nikolaev).

Bug Fix (user-visible misbehavior in an official stable release)

• Background merges correctly use temporary data storage in the cache #57275 (vdimir).
• MergeTree mutations reuse source part index granularity #57352 (Maksim Kita).
• Fix double destroy call on exception throw in addBatchLookupTable8 #58745 (Raúl Marín).
• Fix JSONExtract function for LowCardinality(Nullable) columns #58808 (vdimir).
• Fix: LIMIT BY and LIMIT in distributed query #59153 (Igor Nikonov).
• Fix translate() with FixedString input #59356 (Raúl Marín).
• Fix error "Read beyond last offset" for AsynchronousBoundedReadBuffer #59630 (Vitaly Baranov).
• Fix query start time on non initial queries #59662 (Raúl Marín).
• Fix leftPad / rightPad function with FixedString input #59739 (Raúl Marín).
• rabbitmq: fix having neither acked nor nacked messages #59775 (Kseniia Sumarokova).
• Fix cosineDistance crash with Nullable #60150 (Raúl Marín).

NOT FOR CHANGELOG / INSIGNIFICANT

• Fix rare race in external sort/aggregation with temporary data in cache #58013 (Anton Popov).
• Fix possible race in ManyAggregatedData dtor. #58624 (Nikolai Kochetov).
• Fix 02720_row_policy_column_with_dots #59453 (Duc Canh Le).
• Pin python dependencies in stateless tests #59663 (Raúl Marín).
• Make ZooKeeper actually sequentialy consistent #59735 (Alexander Tokmakov).
• Remove broken test while we fix it #60547 (Raúl Marín).