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Thinko in previous commit: ensure that MAX_SEND_SIZE is always greater

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than XLOG_BLCKSZ, by defining it as 16 * XLOG_BLCKSZ rather than directly
as 128k bytes.
This commit is contained in:
Heikki Linnakangas 2010-05-26 22:34:49 +00:00
parent ea5516081d
commit fbcdff39bd
1 changed files with 4 additions and 4 deletions
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8
src/backend/replication/walsender.c
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@ -30,7 +30,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/replication/walsender.c,v 1.21 2010/05/26 22:21:33 heikki Exp $ * $PostgreSQL: pgsql/src/backend/replication/walsender.c,v 1.22 2010/05/26 22:34:49 heikki Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -109,10 +109,10 @@ static void CheckClosedConnection(void);
* We don't have a good idea of what a good value would be; there's some * We don't have a good idea of what a good value would be; there's some
* overhead per message in both walsender and walreceiver, but on the other * overhead per message in both walsender and walreceiver, but on the other
* hand sending large batches makes walsender less responsive to signals * hand sending large batches makes walsender less responsive to signals
* because signals are checked only between messages. 128kB seems like * because signals are checked only between messages. 128kB (with
* a reasonable guess for now. * default 8k blocks) seems like a reasonable guess for now.
*/ */
#define MAX_SEND_SIZE (128 * 1024) #define MAX_SEND_SIZE (XLOG_BLCKSZ * 16)
/* Main entry point for walsender process */ /* Main entry point for walsender process */
int int