Andres Freund <and...@anarazel.de> writes: > On December 25, 2015 7:10:23 PM GMT+01:00, Tom Lane <t...@sss.pgh.pa.us> > wrote: >> Seems like what you've got here is a kernel bug.
> I wouldn't go as far as calling it a kernel bug. Were still doing 300k tps. > And were triggering the performance degradation by adding another socket > (IIRC) to the poll(2) call. Hmm. And all those FDs point to the same pipe. I wonder if we're looking at contention for some pipe-related data structure inside the kernel. regards, tom lane -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers