Hi all,
While reading walsummarizer.c code, I noticed that in
WakeupWalSummarizer() we acquire the WALSummarizerLock lock in
LW_EXCLUSIVE mode despite only reading
WalSummarizerCtl->summarizer_pgprocno. The attached patch uses
LW_SHARED mode instead. Feedback is very welcome.
Regards,
--
Masahiko Sawada
Amazon Web Services: https://aws.amazon.com