reference/tidb-binlog: add docs about relay log (#1881)#2009

Merged

sre-bot merged 2 commits intopingcap:release-3.1from sre-bot:release-3.1-625d160b898a

Mar 16, 2020

+75

Commits on Mar 13, 2020

reference/tidb-binlog: add docs about relay log (pingcap#1881 )

ran-huang
authored and
sre-bot
committed

Commits on Mar 16, 2020

Merge branch 'release-3.1' into release-3.1-625d160b898a
lilin90
authored