From 45905425a083fb34c253f099fcb660205382844e Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Sat, 12 Mar 2005 05:21:52 +0000
Subject: [PATCH] Add warning about the need to increase "max_fsm_relations"
and "max_fsm_relations" for vacuums. Also improve VACUUM VERBOSE final
message text.
Ron Mayer
---
src/backend/storage/freespace/freespace.c | 20 +++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)
diff --git a/src/backend/storage/freespace/freespace.c b/src/backend/storage/freespace/freespace.c
index 26b566f8516..5e8c35a91e6 100644
--- a/src/backend/storage/freespace/freespace.c
+++ b/src/backend/storage/freespace/freespace.c
@@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/storage/freespace/freespace.c,v 1.37 2004/12/31 22:00:54 pgsql Exp $
+ * $PostgreSQL: pgsql/src/backend/storage/freespace/freespace.c,v 1.38 2005/03/12 05:21:52 momjian Exp $
*
*
* NOTES:
@@ -706,11 +706,25 @@ PrintFreeSpaceMapStatistics(int elevel)
needed = (sumRequests + numRels) * CHUNKPAGES;
ereport(elevel,
- (errmsg("free space map: %d relations, %d pages stored; %.0f total pages needed",
+ (errmsg("free space map: %d relations, %d pages stored; %.0f total pages used",
numRels, storedPages, needed),
- errdetail("Allocated FSM size: %d relations + %d pages = %.0f kB shared memory.",
+ errdetail("FSM size: %d relations + %d pages = %.0f kB shared memory.",
MaxFSMRelations, MaxFSMPages,
(double) FreeSpaceShmemSize() / 1024.0)));
+
+ if (numRels == MaxFSMRelations)
+ ereport(NOTICE,
+ (errmsg("max_fsm_relations(%d) equals the number of relations checked",
+ MaxFSMRelations),
+ errhint("You have >= %d relations.\n"
+ "Consider increasing the configuration parameter \"max_fsm_relations\".",
+ numRels)));
+ else if (needed > MaxFSMPages)
+ ereport(NOTICE,
+ (errmsg("the number of page slots needed (%.0f) exceeds max_fsm_pages (%d)",
+ needed,MaxFSMPages),
+ errhint("Consider increasing the configuration parameter \"max_fsm_relations\"\n"
+ "to a value over %.0f.", needed)));
}
/*
--
GitLab