SET STORAGE_ENGINE = 'tokudb'; # Establish connection conn1 (user = root) select DB, command, state, info from information_schema.processlist; DB command state info test Sleep NULL test Query executing select DB, command, state, info from information_schema.processlist flush logs; select DB, command, state, info from information_schema.processlist; DB command state info test Sleep NULL test Query executing select DB, command, state, info from information_schema.processlist set tokudb_checkpoint_lock=1; flush logs;; select DB, command, state, info from information_schema.processlist; DB command state info test Query executing select DB, command, state, info from information_schema.processlist test Query NULL flush logs set tokudb_checkpoint_lock=0;