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TiDB 2.0.2 Release Notes
/docs/dev/releases/release-2.0.2/
/docs/dev/releases/202/

TiDB 2.0.2 Release Notes

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