Optimise btree delete processing when no active backends.

Clarify comments, downgrade a message to DEBUG and remove some
debug counters. Direct from ideas by Heikki Linnakangas.

1 files changed, 3 insertions, 3 deletions

diff --git a/src/backend/storage/ipc/standby.c b/src/backend/storage/ipc/standby.c
index 4d3cecb455..029d807079 100644
--- a/src/backend/storage/ipc/standby.c
+++ b/src/backend/storage/ipc/standby.c
@@ -11,7 +11,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/storage/ipc/standby.c,v 1.17 2010/04/21 19:08:14 sriggs Exp $
+ *	  $PostgreSQL: pgsql/src/backend/storage/ipc/standby.c,v 1.18 2010/04/22 08:04:25 sriggs Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -248,7 +248,7 @@ ResolveRecoveryConflictWithSnapshot(TransactionId latestRemovedXid, RelFileNode
 
 	/*
 	 * If we get passed InvalidTransactionId then we are a little surprised,
-	 * but it is theoretically possible, so spit out a LOG message, but not
+	 * but it is theoretically possible, so spit out a DEBUG1 message, but not
 	 * one that needs translating.
 	 *
 	 * We grab latestCompletedXid instead because this is the very latest
@@ -256,7 +256,7 @@ ResolveRecoveryConflictWithSnapshot(TransactionId latestRemovedXid, RelFileNode
 	 */
 	if (!TransactionIdIsValid(latestRemovedXid))
 	{
-		elog(LOG, "Invalid latestRemovedXid reported, using latestCompletedXid instead");
+		elog(DEBUG1, "Invalid latestremovexXid reported, using latestcompletedxid instead");
 
 		LWLockAcquire(ProcArrayLock, LW_SHARED);
 		latestRemovedXid = ShmemVariableCache->latestCompletedXid;