Adding a mutex lock in an extra place to make thread sanitizer happy.
Merge branch 'master' into replication
Merge branch 'master' of https://github.com/youtube/vitess
VTGate: add ability to pre-initialize all VTTablet connections
Fix panic on GTIDSet parse error.
Remove IOPosition because we can't get it in GTID form.
Update the logic of InitializeConnections
Fix a typo in comment
Fix closure and waitgroup
Merge branch 'liguo'
Merge branch 'rowcache'
bug fix in schema reload

Now that schema reloads can be triggerred within
one second, we have to conservatively include the
last second to account for the lost granularity.
Merge branch 'master' into rowcache