Sobre el significado de
locks rec but not gap waitingen TRANSACTION (1), ¿cuál es el correcto?- ¿Ya se le otorgó el bloqueo de espacio, esperando el bloqueo agrupado de índice X?
- ¿Ya se le otorgó el bloqueo agrupado de índice X, esperando el bloqueo de espacio?
Hay 31 filas en la transacción (1). ¿Cuál es el significado de esas filas? ¿Esto representa un bloqueo de espacio?
0: len 4; hex 800c20d6; asc ;; .... 29: SQL NULL; 30: SQL NULL;
ÚLTIMO DETECTADO DEADLOCK Informe
LATEST DETECTED DEADLOCK
------------------------
2015-09-25 15:27:24 1b8084000
*** (1) TRANSACTION:
TRANSACTION 5226928, ACTIVE 0 sec fetching rows
mysql tables in use 1, locked 1
LOCK WAIT 31 lock struct(s), heap size 6544, 548 row lock(s)
MySQL thread id 71, OS thread handle 0x1b45be000, query id 4085356 localhost root Creating sort index
SELECT `rpush_notifications`.* FROM `rpush_notifications` WHERE (processing = 0 AND delivered = 0 AND failed = 0 AND (deliver_after IS NULL OR deliver_after < '2015-09-25 07:27:24')) ORDER BY created_at ASC LIMIT 100 FOR UPDATE
*** (1) WAITING FOR THIS LOCK TO BE GRANTED:
RECORD LOCKS space id 10287 page no 10901 n bits 152 index `PRIMARY` of table `ct_development`.`rpush_notifications` trx id 5226928 lock_mode X locks rec but not gap waiting
Record lock, heap no 78 PHYSICAL RECORD: n_fields 31; compact format; info bits 0
0: len 4; hex 800c20d6; asc ;;
1: len 6; hex 0000004fc1aa; asc O ;;
2: len 7; hex 4c0000027b07fe; asc L { ;;
3: len 30; hex 52707573683a3a436c69656e743a3a4163746976655265636f72643a3a41; asc Rpush::Client::ActiveRecord::A; (total 47 bytes);
4: SQL NULL;
5: len 30; hex 373838653836643365666465626262626639633464363261626433366132; asc 788e86d3efdebbbbf9c4d62abd36a2; (total 64 bytes);
6: len 7; hex 64656661756c74; asc default;;
7: len 7; hex 6869206d6f6d21; asc hi mom!;;
8: len 13; hex 7b22666f6f223a22626172227d; asc {"foo":"bar"};;
9: len 4; hex 80015180; asc Q ;;
10: len 1; hex 80; asc ;;
11: SQL NULL;
12: len 1; hex 81; asc ;;
13: len 5; hex 99973276d8; asc 2v ;;
14: SQL NULL;
15: len 0; hex ; asc ;;
16: SQL NULL;
17: len 5; hex 99973276d6; asc 2v ;;
18: len 5; hex 99973276d6; asc 2v ;;
19: len 1; hex 80; asc ;;
20: SQL NULL;
21: len 1; hex 80; asc ;;
22: SQL NULL;
23: len 4; hex 80000002; asc ;;
24: len 4; hex 80000000; asc ;;
25: SQL NULL;
26: SQL NULL;
27: len 1; hex 80; asc ;;
28: SQL NULL;
29: SQL NULL;
30: SQL NULL;
*** (2) TRANSACTION:
TRANSACTION 5226922, ACTIVE 0 sec updating or deleting, thread declared inside InnoDB 0
mysql tables in use 1, locked 1
3 lock struct(s), heap size 1184, 2 row lock(s), undo log entries 1
MySQL thread id 1446, OS thread handle 0x1b8084000, query id 4085345 localhost root updating
UPDATE `rpush_notifications` SET processing = 0, delivered = 0, delivered_at = NULL, failed = 1, failed_at = '2015-09-25 07:27:24', error_code = NULL, error_description = '' WHERE `rpush_notifications`.`id` IN (794838, 794839)
*** (2) HOLDS THE LOCK(S):
RECORD LOCKS space id 10287 page no 10901 n bits 152 index `PRIMARY` of table `ct_development`.`rpush_notifications` trx id 5226922 lock_mode X locks rec but not gap
Record lock, heap no 78 PHYSICAL RECORD: n_fields 31; compact format; info bits 0
0: len 4; hex 800c20d6; asc ;;
1: len 6; hex 0000004fc1aa; asc O ;;
2: len 7; hex 4c0000027b07fe; asc L { ;;
3: len 30; hex 52707573683a3a436c69656e743a3a4163746976655265636f72643a3a41; asc Rpush::Client::ActiveRecord::A; (total 47 bytes);
4: SQL NULL;
5: len 30; hex 373838653836643365666465626262626639633464363261626433366132; asc 788e86d3efdebbbbf9c4d62abd36a2; (total 64 bytes);
6: len 7; hex 64656661756c74; asc default;;
7: len 7; hex 6869206d6f6d21; asc hi mom!;;
8: len 13; hex 7b22666f6f223a22626172227d; asc {"foo":"bar"};;
9: len 4; hex 80015180; asc Q ;;
10: len 1; hex 80; asc ;;
11: SQL NULL;
12: len 1; hex 81; asc ;;
13: len 5; hex 99973276d8; asc 2v ;;
14: SQL NULL;
15: len 0; hex ; asc ;;
16: SQL NULL;
17: len 5; hex 99973276d6; asc 2v ;;
18: len 5; hex 99973276d6; asc 2v ;;
19: len 1; hex 80; asc ;;
20: SQL NULL;
21: len 1; hex 80; asc ;;
22: SQL NULL;
23: len 4; hex 80000002; asc ;;
24: len 4; hex 80000000; asc ;;
25: SQL NULL;
26: SQL NULL;
27: len 1; hex 80; asc ;;
28: SQL NULL;
29: SQL NULL;
30: SQL NULL;
*** (2) WAITING FOR THIS LOCK TO BE GRANTED:
RECORD LOCKS space id 10287 page no 7992 n bits 1480 index `index_rpush_notifications_multi` of table `ct_development`.`rpush_notifications` trx id 5226922 lock_mode X locks rec but not gap waiting
Record lock, heap no 1279 PHYSICAL RECORD: n_fields 3; compact format; info bits 0
0: len 1; hex 80; asc ;;
1: len 1; hex 80; asc ;;
2: len 4; hex 800c20d6; asc ;;
*** WE ROLL BACK TRANSACTION (2)
Esquema de tabla
CREATE TABLE `rpush_notifications` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`type` varchar(255) NOT NULL,
`badge` int(11) DEFAULT NULL,
`device_token` varchar(64) DEFAULT NULL,
`sound` varchar(255) DEFAULT 'default',
`alert` varchar(255) DEFAULT NULL,
`data` text,
`expiry` int(11) DEFAULT '86400',
`delivered` tinyint(1) NOT NULL DEFAULT '0',
`delivered_at` datetime DEFAULT NULL,
`failed` tinyint(1) NOT NULL DEFAULT '0',
`failed_at` datetime DEFAULT NULL,
`error_code` int(11) DEFAULT NULL,
`error_description` text,
`deliver_after` datetime DEFAULT NULL,
`created_at` datetime DEFAULT NULL,
`updated_at` datetime DEFAULT NULL,
`alert_is_json` tinyint(1) DEFAULT '0',
`collapse_key` varchar(255) DEFAULT NULL,
`delay_while_idle` tinyint(1) NOT NULL DEFAULT '0',
`registration_ids` mediumtext,
`app_id` int(11) NOT NULL,
`retries` int(11) DEFAULT '0',
`uri` varchar(255) DEFAULT NULL,
`fail_after` datetime DEFAULT NULL,
`processing` tinyint(1) NOT NULL DEFAULT '0',
`priority` int(11) DEFAULT NULL,
`url_args` text,
`category` varchar(255) DEFAULT NULL,
PRIMARY KEY (`id`),
KEY `index_rapns_notifications_multi` (`app_id`,`delivered`,`failed`,`deliver_after`),
KEY `index_rpush_notifications_multi` (`delivered`,`failed`)
) ENGINE=InnoDB AUTO_INCREMENT=337371 DEFAULT CHARSET=utf8;