From 2a94ec22aa3cf2f1a40d8f733bbf4587397f7571 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@symas.com>
Date: Wed, 30 Jan 2019 23:45:48 +0000
Subject: [PATCH] ITS#8969 tweak mdb_page_split

Bump up number of keys for which we use fine-grained splitpoint search
---
 external/db_drivers/liblmdb/mdb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/external/db_drivers/liblmdb/mdb.c b/external/db_drivers/liblmdb/mdb.c
index 3b2745f95..8e67d5981 100644
--- a/external/db_drivers/liblmdb/mdb.c
+++ b/external/db_drivers/liblmdb/mdb.c
@@ -9641,7 +9641,7 @@ 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) {