On Wed, Feb 13, 2019 at 01:51:47PM -0800, Andres Freund wrote: > I'm not yet sure that that's actually something that's supposed to > happen, I got to spend some time analysing how this actually > happens. Normally the contents of the slot should actually prevent it > from being removed (as they're newer than > ReplicationSlotsComputeLogicalRestartLSN()). I kind of wonder if that's > a bug in the drop logic in newer releases.
In the same context, could it be a consequence of 9915de6c which has introduced a conditional variable to control slot operations? This could have exposed more easily a pre-existing race condition. -- Michael
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