git.postgresql.org Git - postgresql.git/commitdiff

diff --git a/src/backend/replication/walsender.c b/src/backend/replication/walsender.c

index 0d976f5b1129b77eeee232d2ed3c67d47ce20c8f..0d38054008adbdcd84f85ba559bb64d0d5444344 100644 (file)

--- a/src/backend/replication/walsender.c

+++ b/src/backend/replication/walsender.c

*

*

* IDENTIFICATION

- * $PostgreSQL: pgsql/src/backend/replication/walsender.c,v 1.21 2010年05月26日 22:21:33 heikki Exp $

+ * $PostgreSQL: pgsql/src/backend/replication/walsender.c,v 1.22 2010年05月26日 22:34:49 heikki Exp $

*

*-------------------------------------------------------------------------

*/

* 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

* hand sending large batches makes walsender less responsive to signals

- * because signals are checked only between messages. 128kB seems like

- * a reasonable guess for now.

+ * because signals are checked only between messages. 128kB (with

+ * 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 */

int