SET @transaction_isolation= @@global.transaction_isolation; SET GLOBAL TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; INSERT INTO cache_policies VALUES("cache_policy", "innodb_only", "innodb_only", "innodb_only", "innodb_only"); INSERT INTO config_options VALUES("separator", "|"); INSERT INTO containers VALUES ("desc_t1", "test", "t1", "c1", "c2,c21", "c3", "c4", "c5", "PRIMARY"); USE test; DROP TABLE IF EXISTS t1; CREATE TABLE t1 (c1 VARCHAR(32), c2 VARCHAR(1024), c21 VARCHAR(1024), c3 INT, c4 BIGINT UNSIGNED, c5 INT, primary key(c1)) ENGINE = INNODB; INSERT INTO t1 VALUES ('D', 'Darmstadt', 'City', 0, 0, 0); INSERT INTO t1 VALUES ('B', 'Berlin', 'Mitte', 0, 0, 0); INSERT INTO t1 VALUES ('C', 'Cottbus', 'West', 0, 0 ,0); INSERT INTO t1 VALUES ('H', 'Hamburg', 'Norderstedt', 0, 0, 0); INSTALL PLUGIN daemon_memcached SONAME 'libmemcached.so'; SELECT c1,c2,c21 FROM t1; c1 c2 c21 B Berlin Mitte C Cottbus West D Darmstadt City H Hamburg Norderstedt Bug 25909540 UNINSTALL PLUGIN DAEMON_MEMCACHED MAKE MYSQLD CRASHED Connect to the memcached server and do a get Uninstall the memcached plugin,with a memcached connection present and load the plugin again. DROP TABLE t1; UNINSTALL PLUGIN daemon_memcached; DROP DATABASE innodb_memcache; SET @@global.transaction_isolation= @transaction_isolation;