From: Simon Riggs <simon@2ndQuadrant.com>
Date: Mon, 12 Sep 2016 07:57:14 +0000 (+0100)
Subject: Identify walsenders in pg_stat_activity
X-Git-Url: http://git.postgresql.org/gitweb/?a=commitdiff_plain;h=fc3d4a44e9375f79709f470cb3c83d4ca28fb370;p=users%2Fheikki%2Fpostgres.git

Identify walsenders in pg_stat_activity

Following 8299471c37fff0b walsender procs are now visible in pg_stat_activity.
Set query to ‘walsender’ for walsender procs to allow them to be identified.

Discussion:CAB7nPqS8c76KPSufK_HSDeYrbtg+zZ7D0EEkjeM6txSEuCB_jA@mail.gmail.com

Michael Paquier, issue raised by Fujii Masao, reviewed by Tom Lane
---

diff --git a/src/backend/replication/walsender.c b/src/backend/replication/walsender.c
index 1ea2a5cfdf..c7743da034 100644
--- a/src/backend/replication/walsender.c
+++ b/src/backend/replication/walsender.c
@@ -1806,6 +1806,9 @@ WalSndLoop(WalSndSendDataCallback send_data)
 	last_reply_timestamp = GetCurrentTimestamp();
 	waiting_for_ping_response = false;
 
+	/* Report to pgstat that this process is a WAL sender */
+	pgstat_report_activity(STATE_RUNNING, "walsender");
+
 	/*
 	 * Loop until we reach the end of this timeline or the client requests to
 	 * stop streaming.