Hi, On 2016-05-24 06:03:07 +0000, Tsunakawa, Takayuki wrote: > At that time, many backend processes (I forgot the number) were acquiring and > releasing share mode lock on ProcArrayLock, most of which were from > TransactionIsInProgress().
FWIW, I suspect that 9.6 might be a fair bit better here, due to http://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=8a7d0701814a4e293efad22091d6f6fb441bbe1c Regards, Andres -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
