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@bearmmx bearmmx released this 20 Dec 10:19
· 12780 commits to main since this release
2.5.17
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Release date: December 19, 2023

New Features

  • Added a new metric max_tablet_rowset_num for setting the maximum allowed number of rowsets. This metric helps detect possible compaction issues and thus reduces the occurrences of the error "too many versions". #36539
  • Added the subdivide_bitmap function. #35817

Improvements

  • The result returned by the SHOW ROUTINE LOAD statement provides a new field OtherMsg, which shows information about the last failed task. #35806
  • The default retention period of trash files is changed to 1 day from the original 3 days. #37113
  • Optimized the performance of persistent index update when compaction is performed on all rowsets of a Primary Key table, which reduces disk read I/O. #36819
  • Optimized the logic used to compute compaction scores for Primary Key tables, thereby aligning the compaction scores for Primary Key tables within a more consistent range with the other three table types. #36534
  • Queries on MySQL external tables and the external tables within JDBC catalogs support including keywords in the WHERE clause. #35917
  • Added the bitmap_from_binary function to Spark Load to support loading Binary data. #36050
  • The bRPC expiration time is shortened from 1 hour to the duration specified by the session variable query_timeout. This prevents query failures caused by RPC request expiration. #36778

Compatibility Changes

Parameters

  • A new BE configuration item enable_stream_load_verbose_log is added. The default value is false. With this parameter set to true, StarRocks can record the HTTP requests and responses for Stream Load jobs, making troubleshooting easier. #36113
  • The BE static parameter update_compaction_per_tablet_min_interval_seconds becomes mutable. #36819

Bug Fixes

Fixed the following issues:

  • Queries fail during hash joins, causing BEs to crash. #32219
  • The FE performance plunges after the FE configuration item enable_collect_query_detail_info is set to true. #35945
  • Errors may be thrown if large amounts of data are loaded into a Primary Key table with persistent index enabled. #34352
  • The starrocks_be process may exit unexpectedly when ./agentctl.sh stop be is used to stop a BE. #35108
  • The array_distinct function occasionally causes the BEs to crash. #36377
  • Deadlocks may occur when users refresh materialized views. #35736
  • In some scenarios, dynamic partitioning may encounter an error, which causes FE start failures. #36846
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