--- db4-4.2.52/dbinc/db.in.orig	2004-09-09 18:29:17.987387000 -0700
+++ db4-4.2.52/dbinc/db.in	2004-09-09 18:30:00.547903000 -0700
@@ -839,6 +839,7 @@
 #define	TXN_NOWAIT	0x040		/* Do not wait on locks. */
 #define	TXN_RESTORED	0x080		/* Transaction has been restored. */
 #define	TXN_SYNC	0x100		/* Sync on prepare and commit. */
+#define	TXN_NOLOG	0x200		/* Do not log this transaction. */
 	u_int32_t	flags;
 };
 
--- db4-4.2.52/txn/txn.c.orig	2004-09-09 18:30:36.348345000 -0700
+++ db4-4.2.52/txn/txn.c	2004-09-09 18:32:14.559561000 -0700
@@ -127,7 +127,7 @@
 	if ((ret = __db_fchk(dbenv,
 	    "txn_begin", flags,
 	    DB_DIRTY_READ | DB_TXN_NOWAIT |
-	    DB_TXN_NOSYNC | DB_TXN_SYNC)) != 0)
+	    DB_TXN_NOSYNC | DB_TXN_SYNC | DB_TXN_NOT_DURABLE )) != 0)
 		return (ret);
 	if ((ret = __db_fcchk(dbenv,
 	    "txn_begin", flags, DB_TXN_NOSYNC, DB_TXN_SYNC)) != 0)
@@ -193,6 +193,8 @@
 		F_SET(txn, TXN_SYNC);
 	if (LF_ISSET(DB_TXN_NOWAIT))
 		F_SET(txn, TXN_NOWAIT);
+	if (LF_ISSET(DB_TXN_NOT_DURABLE))
+		F_SET(txn, TXN_NOLOG);
 
 	if ((ret = __txn_begin_int(txn, 0)) != 0)
 		goto err;
@@ -328,7 +330,7 @@
 	 * We should set this value when we write the first log record, not
 	 * here.
 	 */
-	if (DBENV_LOGGING(dbenv))
+	if (DBENV_LOGGING(dbenv) && !F_ISSET(txn, TXN_NOLOG))
 		__log_txn_lsn(dbenv, &begin_lsn, NULL, NULL);
 	else
 		ZERO_LSN(begin_lsn);