| From: | Noah Misch <noah(at)leadboat(dot)com> |
|---|---|
| To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | pgsql: Ignore server-side delays when enforcing wal_sender_timeout. |
| Date: | 2018-09-01 06:03:35 |
| Message-ID: | E1fvz0R-0007DB-NE@gemulon.postgresql.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-committers |
Ignore server-side delays when enforcing wal_sender_timeout.
Healthy clients of servers having poor I/O performance, such as
buildfarm members hamster and tern, saw unexpected timeouts. That
disagreed with documentation. This fix adds one gettimeofday() call
whenever ProcessRepliesIfAny() finds no client reply messages.
Back-patch to 9.4; the bug's symptom is rare and mild, and the code all
moved between 9.3 and 9.4.
Discussion: https://postgr.es/m/20180826034600.GA1105084@rfd.leadboat.com
Branch
------
REL9_4_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/20cd88857b3a60d40cf019872cf8a5d40888e3ae
Modified Files
--------------
src/backend/replication/walsender.c | 64 +++++++++++++++++++++----------------
1 file changed, 36 insertions(+), 28 deletions(-)
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