diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2002-10-03 19:19:09 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2002-10-03 19:19:09 +0000 |
| commit | 565c97bea5498cc1c491eeec91676780a405d1a6 (patch) | |
| tree | 444791f00ee98e091139f800e6a7a1866d1e249b /src | |
| parent | edf497dec96e7c69618c3654ecb7769342906f1c (diff) | |
| download | postgresql-565c97bea5498cc1c491eeec91676780a405d1a6.tar.gz postgresql-565c97bea5498cc1c491eeec91676780a405d1a6.zip | |
In a bootstrap process or standalone backend, set MaxBackends = 1
to avoid unnecessary consumption of semaphores.
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/utils/init/postinit.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/src/backend/utils/init/postinit.c b/src/backend/utils/init/postinit.c index ee4abdff883..9ac71c6a812 100644 --- a/src/backend/utils/init/postinit.c +++ b/src/backend/utils/init/postinit.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.116 2002/09/04 20:31:31 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.117 2002/10/03 19:19:09 tgl Exp $ * * *------------------------------------------------------------------------- @@ -172,11 +172,14 @@ InitCommunication(void) if (!IsUnderPostmaster) /* postmaster already did this */ { /* - * we're running a postgres backend by itself with no front end or - * postmaster. Create private "shmem" and semaphores. Setting - * MaxBackends = 16 is arbitrary. + * We're running a postgres bootstrap process or a standalone backend. + * Create private "shmem" and semaphores. Force MaxBackends to 1 so + * that we don't allocate more resources than necessary. */ - CreateSharedMemoryAndSemaphores(true, 16, 0); + SetConfigOption("max_connections", "1", + PGC_POSTMASTER, PGC_S_OVERRIDE); + + CreateSharedMemoryAndSemaphores(true, MaxBackends, 0); } } |