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ITS#8969 tweak mdb_page_split 

Bump up number of keys for which we use fine-grained splitpoint search
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Howard Chu 2019-01-30 23:45:48 +00:00
parent 31bdf7bd11
commit 2a94ec22aa
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1 changed files with 1 additions and 1 deletions
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2
external/db_drivers/liblmdb/mdb.c vendored
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@ -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. * the split so the new page is emptier than the old page.
* This yields better packing during sequential inserts. * 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 */ /* Find split point */
psize = 0; psize = 0;
if (newindx <= split_indx || newindx >= nkeys) { if (newindx <= split_indx || newindx >= nkeys) {