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Make GUC wal_sender_timeout user-settable

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Being able to use a value that can be changed on a connection basis is
useful with clusters distributed geographically, and makes failure
detection more flexible.  A note is added in the documentation about the
use of "options" in primary_conninfo, which can be hard to grasp for
newcomers with the need of two single quotes when listing a set of
parameters.

Author: Tsunakawa Takayuki
Reviewed-by: Masahiko Sawada, Michael Paquier
Discussion: https://postgr.es/m/0A3221C70F24FB45833433255569204D1FAAD3AE@G01JPEXMBYT05
This commit is contained in:
Michael Paquier
2018-09-22 15:23:59 +09:00
parent 4f3b38fe2b
commit db361db2fc
3 changed files with 10 additions and 6 deletions
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2
src/backend/utils/misc/guc.c
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@ -2539,7 +2539,7 @@ static struct config_int ConfigureNamesInt[] =
},
{
{"wal_sender_timeout", PGC_SIGHUP, REPLICATION_SENDING,
{"wal_sender_timeout", PGC_USERSET, REPLICATION_SENDING,
gettext_noop("Sets the maximum time to wait for WAL replication."),
NULL,
GUC_UNIT_MS