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Fix IPartitionStrategy race condition#1517

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arthurpassos wants to merge 2 commits intoantalya-26.1from
fix_race_condition_partition_strategy
Open

Fix IPartitionStrategy race condition#1517
arthurpassos wants to merge 2 commits intoantalya-26.1from
fix_race_condition_partition_strategy

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@arthurpassos arthurpassos commented Mar 12, 2026

Changelog category (leave one):

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

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):

Fix race condition on IPartitionStrategy found in https://altinity-build-artifacts.s3.amazonaws.com/json.html?PR=1463&sha=5e3b05142815f9d4dbbb89497badc85d455079e4&name_0=PR&name_1=Stateless+tests+%28amd_tsan%2C+s3+storage%2C+sequential%2C+2%2F2%29&name_2=Tests.

This was introduced in ClickHouse#92844, I'll ship a PR to upstream as well

Documentation entry for user-facing changes

...

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Exclude tests:

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  • Integration Tests
  • Stateless tests
  • Stateful tests
  • Performance tests
  • All with ASAN
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  • All with MSAN
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  • All with Coverage
  • All with Aarch64
  • All Regression
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Regression jobs to run:

  • Fast suites (mostly <1h)
  • Aggregate Functions (2h)
  • Alter (1.5h)
  • Benchmark (30m)
  • ClickHouse Keeper (1h)
  • Iceberg (2h)
  • LDAP (1h)
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  • SSL Server (1h)
  • S3 (2h)
  • Tiered Storage (2h)

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github-actions bot commented Mar 12, 2026

Workflow [PR], commit [9ee7fd0]

@arthurpassos arthurpassos changed the title add mutex around cached_result Fix IPartitionStrategy race condition Mar 12, 2026
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