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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
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@ -8,7 +8,7 @@
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* Portions Copyright (c) 1994, Regents of the University of California
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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*
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* IDENTIFICATION
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/storage/freespace/freespace.c,v 1.37 2004/12/31 22:00:54 pgsql Exp $
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* $PostgreSQL: pgsql/src/backend/storage/freespace/freespace.c,v 1.38 2005/03/12 05:21:52 momjian Exp $
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*
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*
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*
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*
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* NOTES:
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* NOTES:
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@ -706,11 +706,25 @@ PrintFreeSpaceMapStatistics(int elevel)
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needed = (sumRequests + numRels) * CHUNKPAGES;
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needed = (sumRequests + numRels) * CHUNKPAGES;
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ereport(elevel,
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ereport(elevel,
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(errmsg("free space map: %d relations, %d pages stored; %.0f total pages needed",
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(errmsg("free space map: %d relations, %d pages stored; %.0f total pages used",
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numRels, storedPages, needed),
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numRels, storedPages, needed),
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errdetail("Allocated FSM size: %d relations + %d pages = %.0f kB shared memory.",
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errdetail("FSM size: %d relations + %d pages = %.0f kB shared memory.",
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MaxFSMRelations, MaxFSMPages,
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MaxFSMRelations, MaxFSMPages,
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(double) FreeSpaceShmemSize() / 1024.0)));
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(double) FreeSpaceShmemSize() / 1024.0)));
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if (numRels == MaxFSMRelations)
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ereport(NOTICE,
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(errmsg("max_fsm_relations(%d) equals the number of relations checked",
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MaxFSMRelations),
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errhint("You have >= %d relations.\n"
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"Consider increasing the configuration parameter \"max_fsm_relations\".",
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numRels)));
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else if (needed > MaxFSMPages)
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ereport(NOTICE,
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(errmsg("the number of page slots needed (%.0f) exceeds max_fsm_pages (%d)",
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needed,MaxFSMPages),
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errhint("Consider increasing the configuration parameter \"max_fsm_relations\"\n"
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"to a value over %.0f.", needed)));
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}
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}
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/*
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/*
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