--disable_warnings DROP TABLE IF EXISTS t1; --enable_warnings CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=TOKUDB; connect (conn1,localhost,root,,); connection default; SET AUTOCOMMIT=OFF; let $i=1000; while ($i) { connection default; BEGIN; eval INSERT INTO t1 VALUES ($i); connection conn1; send LOCK TABLES t1 WRITE; connection default; COMMIT; connection conn1; reap; UNLOCK TABLES; dec $i; } disconnect conn1; connection default; DROP TABLE t1;