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