v2.3.21

Release data: August 14, 2024

Miluvs v2.3.21 addresses a critical bug in data deletion (#35390) and introduces some improvements in metrics and performance.

Improvements

• Enhanced data deletion process by modifying the delegator's delete buffer handling (#35074)
• Added metrics to track disk quota usage (#35320)
• Reduced delegator memory usage by adjusting the overloaded factor to 0.1 (#35165)
• Improved health check by skipping manually stopped components (#35122)
• Added metric to record maxinsertrate and querynodememoryhighwaterlevel (#35193)
• Upgraded the Conan version (#35217)
• Changed the default metric type for autoindex (#34328)
• Sped up the datacoord gc quit process (#35057)
• Avoided panic due to nil schema (#35065)
• Reduced duplicate primary keys in the segcore component (#35291)
• Tracked the number of times Milvus enters a force-deny-writing state (#34990)

Bug fixes

• Resolved an issue with the BloomFilter returning false negatives when the statslog contained multiple K values, which could occur when a delete operation failed to apply (#35390)
• Enabled a limiter for RESTful server (#35354)
• Added a retry mechanism to avoid getting incomplete query results (#35061)
• Fixed issues with delete-by-expression operations failing during retry progress (#35421)
• Addressed a problem where the datanode binlog size metrics included dropped segments (#35420)
• Resolved comparison operations between incompatible operands (#35308)
• Fixed an issue where the datanode could not watch the channel (#35136)
• Addressed a deadlock issue on compaction when stopping the datanode (#35199)