Important

You are viewing the archived documentation of TiDB, which no longer receives updates. It is recommended that you use the latest LTS version of the TiDB database.

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 variables statement
Fix a potential issue when using the Add Index statement to handle the combined indexes
Fix a potential issue when using the Rename Table statement to move a table to another database
Accelerate the effectiveness for the Alter/Drop User statement

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.