Re: 'tuple concurrently updated' error w/o visible catalog updates

2018-05-18 Thread Robert Haas
On Thu, May 17, 2018 at 9:49 AM, Alex Kliukin wrote: > Earlier this week we have split our Postgres 9.6.8 shards, each having two > databases, into one database per shard setup. This was done by promoting > replicas and subsequently removing unused databases. > > Immediately afterwards we have dis

'tuple concurrently updated' error w/o visible catalog updates

2018-05-17 Thread Alex Kliukin
Hello, Earlier this week we have split our Postgres 9.6.8 shards, each having two databases, into one database per shard setup. This was done by promoting replicas and subsequently removing unused databases. Immediately afterwards we have discovered repeated 'tuple concurrently updated' errors on