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TiDB 1.0.3 Release Notes

On November 28, 2017, TiDB 1.0.3 is released with the following updates:

TiDB

  • Optimize the performance in transaction conflicts scenario
  • Add the TokenLimit option in the config file
  • Output the default database in slow query logs
  • Remove the DDL statement from query duration metrics
  • Optimize the query cost estimation
  • Fix the index prefix issue when creating tables
  • Support pushing down the expressions for the Float type to TiKV
  • Fix the issue that it is slow to add index for tables with discrete integer primary index
  • Reduce the unnecessary statistics updates
  • Fix a potential issue during the transaction retry

PD

  • Support adding more types of schedulers using API

TiKV

  • Fix the deadlock issue with the PD client
  • Fix the issue that the wrong leader value is prompted for NotLeader
  • Fix the issue that the chunk size is too large in the coprocessor

To upgrade from 1.0.2 to 1.0.3, follow the rolling upgrade order of PD -> TiKV -> TiDB.

"TiDB 1.0.3 Release Notes" was last updated Jan 19 2018: Add the release notes for 1.1 alpha (#329) (854724f)
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