On 2017-05-20 14:40, Michael Paquier wrote:
On Fri, May 19, 2017 at 3:01 PM, Masahiko Sawada
<sawada.m...@gmail.com> wrote:
Also, as Horiguchi-san pointed out earlier, walreceiver seems need the
similar fix.
Actually, now that I look at it, ready_to_display should as well be
protected by the lock of the WAL receiver, so it is incorrectly placed
in walreceiver.h. As you are pointing out, pg_stat_get_wal_receiver()
is lazy as well, and that's new in 10, so we have an open item here
for both of them. And I am the author for both things. No issues
spotted in walreceiverfuncs.c after review.
I am adding an open item so as both issues are fixed in PG10. With the
WAL sender part, I think that this should be a group shot.
So what do you think about the attached?
[walsnd-pid-races-v3.patch]
With this patch on current master my logical replication tests
(pgbench-over-logical-replication) run without errors for the first time
in many days (even weeks).
I'll do still more and longer tests but I have gathered already a long
streak of successful runs since you posted the patch so I am getting
convinced this patch is solved the problem that I was experiencing.
Pity it didn't make the beta.
thanks,
Erik Rijkers
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