diff options
Diffstat (limited to 'src/backend/storage/ipc/procarray.c')
| -rw-r--r-- | src/backend/storage/ipc/procarray.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c index 3564cd5ab36..4fc1fc430be 100644 --- a/src/backend/storage/ipc/procarray.c +++ b/src/backend/storage/ipc/procarray.c @@ -37,7 +37,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/ipc/procarray.c,v 1.67 2010/04/28 00:09:05 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/storage/ipc/procarray.c,v 1.68 2010/04/29 21:36:19 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -179,18 +179,22 @@ ProcArrayShmemSize(void) size = add_size(size, mul_size(sizeof(PGPROC *), PROCARRAY_MAXPROCS)); /* - * During recovery processing we have a data structure called + * During Hot Standby processing we have a data structure called * KnownAssignedXids, created in shared memory. Local data structures are * also created in various backends during GetSnapshotData(), * TransactionIdIsInProgress() and GetRunningTransactionData(). All of the * main structures created in those functions must be identically sized, * since we may at times copy the whole of the data structures around. We * refer to this size as TOTAL_MAX_CACHED_SUBXIDS. + * + * Ideally we'd only create this structure if we were actually doing + * hot standby in the current run, but we don't know that yet at the + * time shared memory is being set up. */ #define TOTAL_MAX_CACHED_SUBXIDS \ ((PGPROC_MAX_CACHED_SUBXIDS + 1) * PROCARRAY_MAXPROCS) - if (XLogRequestRecoveryConnections) + if (EnableHotStandby) { size = add_size(size, mul_size(sizeof(TransactionId), @@ -234,7 +238,7 @@ CreateSharedProcArray(void) } /* Create or attach to the KnownAssignedXids arrays too, if needed */ - if (XLogRequestRecoveryConnections) + if (EnableHotStandby) { KnownAssignedXids = (TransactionId *) ShmemInitStruct("KnownAssignedXids", |