===================================== 070915 15:34:37 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 24 seconds ------------------------ LATEST DETECTED DEADLOCK ------------------------ 111212 22:52:42 *** (1) TRANSACTION: TRANSACTION 3405, ACTIVE 161 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 3 lock struct(s), heap size 376, 3 row lock(s), undo log entries 2 MySQL thread id 19, OS thread handle 0x7fac301e4700, query id 180 localhost ro-ot Updating update a set movie_id=96 where id =2 *** (1) WAITING FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 0 page no 307 n bits 72 index `PRIMARY` of table `test`.`a` trx id 3405 lock_mode X locks rec but not gap waiting Record lock, heap no 3 PHYSICAL RECORD: n_fields 6; compact format; info bits 0 0: len 4; hex 80000002; asc ;; 1: len 6; hex 000000003404; asc 4 ;; 2: len 7; hex 040000163b2515; asc ;% ;; 3: len 4; hex 80000063; asc c;; 4: len 1; hex 01; asc ;; 5: len 8; hex 8000124a7c1acb8c; asc J| ;; *** (2) TRANSACTION: TRANSACTION 3404, ACTIVE 1026 sec starting index read mysql tables in use 1, locked 1 3 lock struct(s), heap size 376, 2 row lock(s), undo log entries 1 MySQL thread id 18, OS thread handle 0x7fac30225700, query id 181 localhost ro-ot Updating update a set movie_id=98 where id =4 *** (2) HOLDS THE LOCK(S): RECORD LOCKS space id 0 page no 307 n bits 72 index `PRIMARY` of table `test`.`a` trx id 3404 lock_mode X locks rec but not gap Record lock, heap no 3 PHYSICAL RECORD: n_fields 6; compact format; info bits 0 0: len 4; hex 80000002; asc ;; 1: len 6; hex 000000003404; asc 4 ;; 2: len 7; hex 040000163b2515; asc ;% ;; 3: len 4; hex 80000063; asc c;; 4: len 1; hex 01; asc ;; 5: len 8; hex 8000124a7c1acb8c; asc J| ;; *** (2) WAITING FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 0 page no 307 n bits 72 index `PRIMARY` of table `test`.`a` trx id 3404 lock_mode X locks rec but not gap waiting Record lock, heap no 5 PHYSICAL RECORD: n_fields 6; compact format; info bits 0 0: len 4; hex 80000004; asc ;; 1: len 6; hex 000000003405; asc 4 ;; 2: len 7; hex 0500000e7017e8; asc p ;; 3: len 4; hex 80000062; asc b;; 4: len 1; hex 01; asc ;; 5: len 8; hex 8000124a7c1acbb6; asc J| ;; *** WE ROLL BACK TRANSACTION (2) END OF INNODB MONITOR OUTPUT ============================