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Release notes 2.5.20
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@jaogoy jaogoy released this 22 Mar 08:07
· 12698 commits to main since this release
2.5.20
74821e9
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Release date: March 22, 2024

Improvements

  • replace_if_not_null supports BITMAP columns in an Aggregate table. Users can specify replace_if_not_null as the aggregate function for BITMAP columns in an Aggregate table. #42104
  • G1 Garbage Collector is used for JDK 9 and later by default. #41374

Parameter Changes

  • The default value of the BE parameter update_compaction_size_threshold is changed from 256 MB to 64 MB to accelerate compaction. #42776

Bug Fixes

Fixed the following issues:

  • Synchronizing data using StarRocks external tables encounters the error "commit and publish txn failed". The synchronization succeeds after a retry but the same copy of data is loaded twice. #25165
  • RPC transmit resources are temporarily unavailable due to GC issues. #41636
  • array_agg() in v2.5 processes NULLs in a different way than it does in v2.3. As a result, the query result is incorrect after an upgrade from v2.3 to v2.5. #42639
  • The Sink Operator in a query unexpectedly exits, which causes BEs to crash. #38662
  • Executing the DELETE command on an Aggregate table results in a race for accessing tablet metadata, which causes BEs to crash. #42174
  • The MemTracker encounters the Use-After-Free issue during UDF calling, which causes BEs to crash. #41710
  • The unnest() function does not support aliases. #42138
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