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tikv v4.0.14 Release Notes

Release Date: 2021-07-27 // over 2 years ago
    • Compatibility Changes
      • Change the default value of merge-check-tick-interval from 10 to 2 to speed up the Region merge process #9676
    • 🔋 Feature Enhancements
      • Add a metric pending to monitor the number of pending PD heartbeats, which helps locate the issue of slow PD threads #10008
      • Support using the virtual-host addressing mode to make BR support the S3-compatible storage #10242
    • 👌 Improvements
      • Shutdown the status server first to make sure that the client can correctly check the shutdown status #10504
      • Always respond to stale peers to make sure that these peers are cleared quicker #10400
      • Limit the TiCDC sink's memory consumption #10147
      • When a Region is too large, use the even split to speed up the split process #10275
    • 🐛 Bug Fixes
      • Fix the issue that the duration calculation might panic on certain platforms #related-issue
      • Fix the wrong function that casts DOUBLE to DOUBLE #25200
      • Fix the issue that the panic log might be lost when using the async logger #8998
      • Fix the panic issue that occurs when building a snapshot twice if encryption is enabled #9786 #10407
      • Fix the wrong arguments type of the json_unquote() function in the coprocessor #10176
      • Fix the issues of suspicious warnings during shutdown and the non-deterministic response from Raftstore #10353 #10307
      • Fix the issue of backup threads leak #10287
      • Fix the issue that Region split might panic and corrupt the metadata if the split process is too slow and Region merge is on-going #8456 #8783
      • Fix the issue that the Region heartbeats prevent TiKV from splitting large Regions in some situations #10111
      • Fix the wrong statistics caused by the format inconsistency of CM Sketch between TiKV and TiDB #25638
      • Fix the wrong statistics of the apply wait duration metric #9893
      • Fix the "Missing Blob" error after using delete_files_in_range in Titan #10232