Merge release 8.0 into 9.0#8436

Merged

systay merged 7 commits intovitessio:release-9.0from

planetscale:rel9

Jul 8, 2021

Commits on Jul 7, 2021

Make it clearer which GTIDSet we are using.

aquarapid
authored and
systay
committed
The difference between two identical GTIDSet values should be empty, not

aquarapid
authored and
systay
committed
We use a sentinel file to avoid replication being restarted

aquarapid
authored and
systay
committed
Add additional logging for most of the tablet replication RPC endpoints,

aquarapid
authored and
systay
committed
Add test for a series of trivial ERS failovers to catch problems like

aquarapid
authored and
systay
committed
Merge pull request #8422 from planetscale/jg_gtidset
deepthi
authored

Commits on Jul 8, 2021

Merge remote-tracking branch release-8.0 into release-9.0
systay
committed