On 3 October 2017 at 19:45, milist ujang <ujang.milist@xxxxxxxxx> wrote:
-- Hi all,I've an environment 9.4 + bdr:PostgreSQL 9.4.4
You're on a pretty old postgres-bdr. Update. You're missing a lot of fixes from mainline.
This is consolidation databases, in this machine there are around 250+ wal sender processes.
Not a great use case for BDR.
Consider pglogical.
finally get which processes (wal senders) that are using mutexes:perf top -e task-clock -p 55382
Can you get stacks please?
Use -g