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Commit4b6c198

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Add code to dump contents of free space map into $PGDATA/global/pg_fsm.cache
at database shutdown, and then load it again at database startup. Thispreserves our hard-won knowledge of free space across restarts (givenan orderly shutdown, that is).
1 parent2159196 commit4b6c198

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4 files changed

+376
-83
lines changed

4 files changed

+376
-83
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‎src/backend/bootstrap/bootstrap.c

Lines changed: 4 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.147 2002/12/15 16:17:38 tgl Exp $
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* $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.148 2003/03/06 00:04:27 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
@@ -34,6 +34,7 @@
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#include"executor/executor.h"
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#include"libpq/pqsignal.h"
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#include"miscadmin.h"
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#include"storage/freespace.h"
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#include"storage/ipc.h"
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#include"storage/proc.h"
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#include"tcop/tcopprot.h"
@@ -398,10 +399,12 @@ BootstrapMain(int argc, char *argv[])
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caseBS_XLOG_STARTUP:
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StartupXLOG();
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LoadFreeSpaceMap();
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proc_exit(0);/* done */
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caseBS_XLOG_SHUTDOWN:
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ShutdownXLOG();
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DumpFreeSpaceMap();
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proc_exit(0);/* done */
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