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Make pg_stop_backup's reporting a bit more verbose in hopes of making

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error cases less intimidating for novices.  Per discussion.

Greg Smith
This commit is contained in:
Tom Lane 2010-02-25 02:17:50 +00:00
parent 29d2f86a31
commit a2239b96e0
1 changed files with 11 additions and 4 deletions
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15
src/backend/access/transam/xlog.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group * Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California * Portions Copyright (c) 1994, Regents of the University of California
* *
* $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.377 2010/02/19 10:51:03 heikki Exp $ * $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.378 2010/02/25 02:17:50 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -8132,7 +8132,8 @@ pg_stop_backup(PG_FUNCTION_ARGS)
* *
* We wait forever, since archive_command is supposed to work and we * We wait forever, since archive_command is supposed to work and we
* assume the admin wanted his backup to work completely. If you don't * assume the admin wanted his backup to work completely. If you don't
* wish to wait, you can set statement_timeout. * wish to wait, you can set statement_timeout. Also, some notices
* are issued to clue in anyone who might be doing this interactively.
*/ */
XLByteToPrevSeg(stoppoint, _logId, _logSeg); XLByteToPrevSeg(stoppoint, _logId, _logSeg);
XLogFileName(lastxlogfilename, ThisTimeLineID, _logId, _logSeg); XLogFileName(lastxlogfilename, ThisTimeLineID, _logId, _logSeg);
@ -8141,6 +8142,9 @@ pg_stop_backup(PG_FUNCTION_ARGS)
BackupHistoryFileName(histfilename, ThisTimeLineID, _logId, _logSeg, BackupHistoryFileName(histfilename, ThisTimeLineID, _logId, _logSeg,
startpoint.xrecoff % XLogSegSize); startpoint.xrecoff % XLogSegSize);
ereport(NOTICE,
(errmsg("pg_stop_backup cleanup done, waiting for required WAL segments to be archived")));
seconds_before_warning = 60; seconds_before_warning = 60;
waits = 0; waits = 0;
@ -8155,8 +8159,11 @@ pg_stop_backup(PG_FUNCTION_ARGS)
{ {
seconds_before_warning *= 2; /* This wraps in >10 years... */ seconds_before_warning *= 2; /* This wraps in >10 years... */
ereport(WARNING, ereport(WARNING,
(errmsg("pg_stop_backup still waiting for archive to complete (%d seconds elapsed)", (errmsg("pg_stop_backup still waiting for all required WAL segments to be archived (%d seconds elapsed)",
waits))); waits),
errhint("Check that your archive_command is executing properly. "
"pg_stop_backup can be cancelled safely, "
"but the database backup will not be usable without all the WAL segments.")));
} }
} }