David Roberts 0807d409bf [ML] Reinstate ML daily maintenance actions (#47103)
A refactoring in 6.6 meant that the ML daily
maintenance actions have not been run at all
since then. This change installs the local
master listener that schedules the ML daily
maintenance, and also defends against some
subtle race conditions that could occur in the
future if a node flipped very quickly between
master and non-master.

Fixes #47003
2019-09-30 13:12:32 +01:00
..