TiDB 2.0.2 Release Notes

January 30, 2024 ยท View on GitHub

On May 21, 2018, TiDB 2.0.2 is released. Compared with TiDB 2.0.1, this release has great improvement in system stability.

TiDB

  • Fix the issue of pushing down the Decimal division expression
  • Support using the USE INDEX syntax in the Delete statement
  • Forbid using the shard_row_id_bits feature in columns with Auto-Increment
  • Add the timeout mechanism for writing Binlog

PD

  • Make the balance leader scheduler filter the disconnected nodes
  • Modify the timeout of the transfer leader operator to 10s
  • Fix the issue that the label scheduler does not schedule when the cluster Regions are in an unhealthy state
  • Fix the improper scheduling issue of evict leader scheduler

TiKV

  • Fix the issue that the Raft log is not printed
  • Support configuring more gRPC related parameters
  • Support configuring the timeout range of leader election
  • Fix the issue that the obsolete learner is not deleted
  • Fix the issue that the snapshot intermediate file is mistakenly deleted