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 e81bd415b44acddcdda37a10fdbf85a799759c87..13be4b128fc07cfddabd7296d4b506b9d360ce6a 100644 (file)
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -10167,7 +10167,7 @@ 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) {