TiDB 1.0.4 Release Notes
On December 11, 2017, TiDB 1.0.4 is released with the following updates:
TiDB
- Speed up the loading of the statistics when starting the
tidb-server - Improve the performance of the
show variablesstatement - Fix a potential issue when using the
Add Indexstatement to handle the combined indexes - Fix a potential issue when using the
Rename Tablestatement to move a table to another database - Accelerate the effectiveness for the
Alter/Drop Userstatement
TiKV
- Fix a possible performance issue when a snapshot is applied
- Fix the performance issue for reverse scan after removing a lot of data
- Fix the wrong encoded result for the Decimal type under special circumstances
To upgrade from 1.0.3 to 1.0.4, follow the rolling upgrade order of PD -> TiKV -> TiDB.