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Set Win32 server-size socket buffer to 32k, for performance reasons.

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Yoshiyuki Asaba
This commit is contained in:
Bruce Momjian 2006-08-11 20:44:20 +00:00
parent 99c2b8b8e3
commit 5c9e9c0c42
1 changed files with 15 additions and 1 deletions
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16
src/backend/libpq/pqcomm.c
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@ -30,7 +30,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/backend/libpq/pqcomm.c,v 1.186 2006/07/14 05:28:27 tgl Exp $
* $PostgreSQL: pgsql/src/backend/libpq/pqcomm.c,v 1.187 2006/08/11 20:44:20 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -593,6 +593,20 @@ StreamConnection(int server_fd, Port *port)
return STATUS_ERROR;
}
#ifdef WIN32
/*
* This is a Win32 socket optimization. The ideal size is 32k.
* http://support.microsoft.com/kb/823764/EN-US/
*/
on = PQ_BUFFER_SIZE * 4;
if (setsockopt(port->sock, SOL_SOCKET, SO_SNDBUF, (char *) &on,
sizeof(on)) < 0)
{
elog(LOG, "setsockopt(SO_SNDBUF) failed: %m");
return STATUS_ERROR;
}
#endif
/*
* Also apply the current keepalive parameters. If we fail to set a
* parameter, don't error out, because these aren't universally