diff options
Diffstat (limited to 'src/backend/storage/ipc/ipci.c')
| -rw-r--r-- | src/backend/storage/ipc/ipci.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/backend/storage/ipc/ipci.c b/src/backend/storage/ipc/ipci.c index 49259807b40..2f5d1d3a193 100644 --- a/src/backend/storage/ipc/ipci.c +++ b/src/backend/storage/ipc/ipci.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/ipc/ipci.c,v 1.21 1999/02/21 01:41:44 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/ipc/ipci.c,v 1.22 1999/02/22 06:16:49 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -72,11 +72,19 @@ CreateSharedMemoryAndSemaphores(IPCKey key, int maxBackends) * ---------------- */ CreateSpinlocks(IPCKeyGetSpinLockSemaphoreKey(key)); - size = BufferShmemSize() + LockShmemSize(maxBackends); + /* + * Size of the primary shared-memory block is estimated via + * moderately-accurate estimates for the big hogs, plus 100K for + * the stuff that's too small to bother with estimating. + * Then we add 10% for a safety margin. + */ + size = BufferShmemSize() + LockShmemSize(maxBackends); #ifdef STABLE_MEMORY_STORAGE size += MMShmemSize(); #endif + size += 100000; + size += size / 10; if (DebugLvl > 1) { |