title	category
TiDB 2.0.2 Release Notes	Releases

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