Re: [HACKERS] Deadlock in ALTER SUBSCRIPTION REFRESH PUBLICATION

On 10/24/17 13:13, Konstantin Knizhnik wrote:
> The reason of this deadlock seems to be clear: ALTER SUBSCRIPTION starts transaction at one node and tries to create
slotat other node, which waiting for completion of all active transaction while building scnapshpot.
 
> Is there any way to avoid this deadlock?

I don't see a way to avoid it in general, unless we come up with a novel
way of creating replication slots.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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