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Report resource usage at the end of recovery
author David Rowley <drowley@postgresql.org>
2020年9月15日 23:25:46 +0000 (11:25 +1200)
committer David Rowley <drowley@postgresql.org>
2020年9月15日 23:25:46 +0000 (11:25 +1200)
Reporting this has been rather useful in some recent recovery speedup
work. It also seems like something that will be useful to the average DBA
too.

Author: David Rowley
Reviewed-by: Thomas Munro
Discussion: https://postgr.es/m/CAApHDvqYVORiZxq2xPvP6_ndmmsTkvr6jSYv4UTNaFa5i1kd%3DQ%40mail.gmail.com

src/backend/access/transam/xlog.c patch | blob | blame | history

diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index a38371a64f96cedbcbf15d6b7709f59c11ba668b..61754312e269088c84138cc04f9ffc9cac55fc30 100644 (file)
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -76,6 +76,7 @@
#include "utils/memutils.h"
#include "utils/ps_status.h"
#include "utils/relmapper.h"
+#include "utils/pg_rusage.h"
#include "utils/snapmgr.h"
#include "utils/timestamp.h"
@@ -7169,6 +7170,9 @@ StartupXLOG(void)
{
ErrorContextCallback errcallback;
TimestampTz xtime;
+ PGRUsage ru0;
+
+ pg_rusage_init(&ru0);
InRedo = true;
@@ -7435,8 +7439,9 @@ StartupXLOG(void)
}
ereport(LOG,
- (errmsg("redo done at %X/%X",
- (uint32) (ReadRecPtr >> 32), (uint32) ReadRecPtr)));
+ (errmsg("redo done at %X/%X system usage: %s",
+ (uint32) (ReadRecPtr >> 32), (uint32) ReadRecPtr,
+ pg_rusage_show(&ru0))));
xtime = GetLatestXTime();
if (xtime)
ereport(LOG,
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