From: Howard Chu <hyc@openldap.org>
Date: Wed, 30 Jan 2019 23:43:34 +0000 (+0000)
Subject: ITS#8969 tweak mdb_page_split
X-Git-Tag: OPENLDAP_REL_ENG_2_4_48~123
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4e843b33d2f788f6da4533546010ac872f6275c3;p=thirdparty%2Fopenldap.git

ITS#8969 tweak mdb_page_split

Bump up number of keys for which we use fine-grained splitpoint search
---

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index 7ec8f60177..22740ce80f 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -8749,7 +8749,7 @@ mdb_page_split(MDB_cursor *mc, MDB_val *newkey, MDB_val *newdata, pgno_t newpgno
 			 * the split so the new page is emptier than the old page.
 			 * This yields better packing during sequential inserts.
 			 */
-			if (nkeys < 20 || nsize > pmax/16 || newindx >= nkeys) {
+			if (nkeys < 32 || nsize > pmax/16 || newindx >= nkeys) {
 				/* Find split point */
 				psize = 0;
 				if (newindx <= split_indx || newindx >= nkeys) {