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mysql的XA事务恢复

mysql的XA事务恢复mysql数据库开机报错:www.2cto.comInnoDB:ThelogsequencenumberinibdatafilesdoesnotmatchInnoDB:thelogsequencenumberintheib_logfiles!10022412:2...

mysql的XA事务恢复
 
mysql数据库开机报错: 
  www.2cto.com  
InnoDB: The log sequence number in ibdata files does not match 
InnoDB: the log sequence number in the ib_logfiles! 
100224 12:24:20  InnoDB: Database was not shut down normally! 
InnoDB: Starting crash recovery. 
InnoDB: Reading tablespace information from the .ibd files... 
InnoDB: Restoring possible half-written data pages from the doublewrite 
InnoDB: buffer... 
InnoDB: Transaction 0 4497755 was in the XA prepared state. 
InnoDB: Transaction 0 4468551 was in the XA prepared state. 
InnoDB: Transaction 0 4468140 was in the XA prepared state. 
InnoDB: 3 transaction(s) which must be rolled back or cleaned up 
InnoDB: in total 0 row operations to undo 
InnoDB: Trx id counter is 0 5312768 
InnoDB: Starting in background the rollback of uncommitted transactions 
100224 12:24:20  InnoDB: Rollback of non-prepared transactions completed 
100224 12:24:20  InnoDB: Started; log sequence number 0 3805002509 
100224 12:24:20  InnoDB: Starting recovery for XA transactions... 
100224 12:24:20  InnoDB: Transaction 0 4497755 in prepared state after recovery 
100224 12:24:20  InnoDB: Transaction contains changes to 8 rows 
100224 12:24:20  InnoDB: Transaction 0 4468551 in prepared state after recovery 
100224 12:24:20  InnoDB: Transaction contains changes to 1 rows 
100224 12:24:20  InnoDB: Transaction 0 4468140 in prepared state after recovery 
100224 12:24:20  InnoDB: Transaction contains changes to 1 rows 
100224 12:24:20  InnoDB: 3 transactions in prepared state after recovery 
100224 12:24:20 [Note] Found 3 prepared transaction(s) in InnoDB 
100224 12:24:20 [Warning] Found 3 prepared XA transactions 
100224 12:24:20 [Note] Event Scheduler: Loaded 0 events 
100224 12:24:20 [Note] /opt/mysql/bin/mysqld: ready for connections. 
Version: '5.1.39'  socket: '/tmp/mysql.sock'  port: 3306  MySQL Community Server (GPL) 
 
意味着有三个XA的事务没有提交或回滚。 
登录到mysql 
mysql> xa recover; 
+----------+--------------+--------------+------------------------------------------------------------+ 
| formatID | gtrid_length | bqual_length | data                                                       | 
+----------+--------------+--------------+------------------------------------------------------------+ 
|   131075 |           30 |           28 | 1-7f000001:bae5:4b6928eb:f06397f000001:bae5:4b6928eb:f0650 | 
|   131075 |           30 |           28 | 1-7f000001:bae5:4b6928eb:fb5c37f000001:bae5:4b6928eb:fb5cd | 
|   131075 |           30 |           28 | 1-7f000001:bae5:4b6928eb:f03ea7f000001:bae5:4b6928eb:f0400 | 
+----------+--------------+--------------+------------------------------------------------------------+ 
数据表示信息如下: 
 
    formatIDis the             formatIDpart of the transaction             xid 
 
    gtrid_lengthis the length in bytes of             the gtridpart of the             xid 
 
    bqual_lengthis the length in bytes of             the bqualpart of the             xid 
 
    datais the concatenation of the             gtridand             bqualparts of the             xid 
 
这是三个XA事务的信息,准备直接回滚。 
mysql> xa rollback '1-7f000001:bae5:4b6928eb:fb5c3','7f000001:bae5:4b6928eb:fb5cd',131075; 
Query OK, 0 rows affected (0.41 sec) 
 
再启动就正常了。
 

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