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Commit565c97b

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In a bootstrap process or standalone backend, set MaxBackends = 1
to avoid unnecessary consumption of semaphores.
1 parentedf497d commit565c97b

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‎src/backend/utils/init/postinit.c

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@@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.116 2002/09/04 20:31:31 momjian Exp $
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* $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.117 2002/10/03 19:19:09 tgl Exp $
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*
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*
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*-------------------------------------------------------------------------
@@ -172,11 +172,14 @@ InitCommunication(void)
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if (!IsUnderPostmaster)/* postmaster already did this */
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{
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/*
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*we're running a postgresbackend by itself with no front end or
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*postmaster.Create private "shmem" and semaphores.Setting
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*MaxBackends = 16 is arbitrary.
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*We're running a postgresbootstrap process or a standalone backend.
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* Create private "shmem" and semaphores. Force MaxBackends to 1 so
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*that we don't allocate more resources than necessary.
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*/
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CreateSharedMemoryAndSemaphores(true,16,0);
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SetConfigOption("max_connections","1",
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PGC_POSTMASTER,PGC_S_OVERRIDE);
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CreateSharedMemoryAndSemaphores(true,MaxBackends,0);
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}
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}
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