Last week, we landed 33 PRs in the TiDB repositories.
Add system table
mysql.stats_meta: used for storing statistic information.
Refactor tikv coprocessor client: make code cleaner and fix memory leak.
Refactor code about aggregation pushdown and aggregation prunning: make code cleaner.
Thank you guys!
Last week, We landed 10 PRs in the TiKV repositories.
Avoid panic when get the tombstone store information.
Check epoch in ReadIndex to avoid stale read.
Clean ReadIndex callback when peer is destroyed to avoid deadlock.