From bf61a1ca9d10afd4ae0fb9779b45ec81a9f839cc Mon Sep 17 00:00:00 2001 From: Howard Chu Date: Sat, 15 Dec 2001 23:21:37 +0000 Subject: [PATCH] Use DB_HASH instead of DB_BTREE for index databases. Since index keys are mainly 4-byte hashes already, there is no locality-of-reference to exploit as a Btree. About a 7% performance gain. --- servers/slapd/back-bdb/dbcache.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/servers/slapd/back-bdb/dbcache.c b/servers/slapd/back-bdb/dbcache.c index 9fefd7f287..5e2d6dd41b 100644 --- a/servers/slapd/back-bdb/dbcache.c +++ b/servers/slapd/back-bdb/dbcache.c @@ -71,7 +71,6 @@ bdb_db_cache( rc = db->bdi_db->set_pagesize( db->bdi_db, BDB_PAGESIZE ); #ifdef BDB_IDL_MULTI rc = db->bdi_db->set_flags( db->bdi_db, DB_DUP | DB_DUPSORT ); - rc = db->bdi_db->set_dup_compare( db->bdi_db, bdb_bt_compare ); #endif file = ch_malloc( strlen( name ) + sizeof(BDB_SUFFIX) ); @@ -79,7 +78,7 @@ bdb_db_cache( rc = db->bdi_db->open( db->bdi_db, file, name, - DB_BTREE, bdb->bi_db_opflags | DB_CREATE | DB_THREAD, + DB_HASH, bdb->bi_db_opflags | DB_CREATE | DB_THREAD, bdb->bi_dbenv_mode ); ch_free( file ); -- 2.39.5