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Split the shared-memory array of PGPROC pointers out of the sinval
communication structure, and make it its own module with its own lock. This should reduce contention at least a little, and it definitely makes the code seem cleaner. Per my recent proposal.
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@@ -32,7 +32,7 @@
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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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* $PostgreSQL: pgsql/src/backend/utils/time/tqual.c,v 1.88 2005/05/07 21:22:01 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/utils/time/tqual.c,v 1.89 2005/05/19 21:35:47 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@@ -41,7 +41,7 @@
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#include "access/multixact.h"
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#include "access/subtrans.h"
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#include "storage/sinval.h"
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#include "storage/procarray.h"
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#include "utils/tqual.h"
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/*
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