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| author | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2020-03-27 19:43:41 -0300 |
|---|---|---|
| committer | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2020-03-27 19:51:37 -0300 |
| commit | 1e6148032e4d27aec75c49264b47ad193405a919 (patch) | |
| tree | f06cf0c0c4204ed8308fa983bfdb6068c5f0e2f4 /src/backend/replication/walreceiver.c | |
| parent | 092c6936de49effe63daad94855bcd8ef26a09dd (diff) | |
| download | postgresql-1e6148032e4d27aec75c49264b47ad193405a919.tar.gz postgresql-1e6148032e4d27aec75c49264b47ad193405a919.zip | |
Allow walreceiver configuration to change on reload
The parameters primary_conninfo, primary_slot_name and
wal_receiver_create_temp_slot can now be changed with a simple "reload"
signal, no longer requiring a server restart. This is achieved by
signalling the walreceiver process to terminate and having it start
again with the new values.
Thanks to Andres Freund, Kyotaro Horiguchi, Fujii Masao for discussion.
Author: Sergei Kornilov <sk@zsrv.org>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Reviewed-by: Álvaro Herrera <alvherre@alvh.no-ip.org>
Discussion: https://postgr.es/m/19513901543181143@sas1-19a94364928d.qloud-c.yandex.net
Diffstat (limited to 'src/backend/replication/walreceiver.c')
| -rw-r--r-- | src/backend/replication/walreceiver.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/backend/replication/walreceiver.c b/src/backend/replication/walreceiver.c index a1459ca7f69..760e3c7ab03 100644 --- a/src/backend/replication/walreceiver.c +++ b/src/backend/replication/walreceiver.c @@ -679,7 +679,11 @@ WalRcvWaitForStartPosition(XLogRecPtr *startpoint, TimeLineID *startpointTLI) walrcv->walRcvState == WALRCV_STOPPING); if (walrcv->walRcvState == WALRCV_RESTARTING) { - /* we don't expect primary_conninfo to change */ + /* + * No need to handle changes in primary_conninfo or + * primary_slotname here. Startup process will signal us to + * terminate in case those change. + */ *startpoint = walrcv->receiveStart; *startpointTLI = walrcv->receiveStartTLI; walrcv->walRcvState = WALRCV_STREAMING; |