From: Simon Riggs <simon@2ndQuadrant.com>
Date: Fri, 1 Jun 2012 07:19:06 +0000 (+0100)
Subject: Provide interim statistics while in mid-checkpoint.
X-Git-Tag: REL9_2_BETA3~144
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1ec6a2bbc966a05acf10a6753d8ec7db83f43f4c;p=postgresql

Provide interim statistics while in mid-checkpoint.
Re-implements similar functionality in 9.1 and previously which
was removed during split of checkpointer and bgwriter.

Requested/spotted by Magnus Hagander
---

diff --git a/src/backend/postmaster/checkpointer.c b/src/backend/postmaster/checkpointer.c
index 5db60cd5d9..aa3df37324 100644
--- a/src/backend/postmaster/checkpointer.c
+++ b/src/backend/postmaster/checkpointer.c
@@ -708,6 +708,11 @@ CheckpointWriteDelay(int flags, double progress)
 
 		CheckArchiveTimeout();
 
+		/*
+		 * Report interim activity statistics to the stats collector.
+		 */
+		pgstat_send_bgwriter();
+
 		/*
 		 * This sleep used to be connected to bgwriter_delay, typically 200ms.
 		 * That resulted in more frequent wakeups if not much work to do.