【bdump】bdump目录下发生大量cdmp_2014xxx和死锁信息
日期：2014-05-16 浏览次数：20547 次
【bdump】bdump目录下产生大量cdmp_2014xxx和死锁信息
一、环境：
AIX 6100-07+10.2.0.4.3 RAC
二、问题描述：
bdump目录下产生大量cdmp_2014xxx目录，目录的数量到达上万个直至将bdump目录所在的根目录撑满，进而数据库异常。每个cdmp_2014xxx目录大概在4M左右。
alert.log日志记录如下：
Fri Mar 21 17:38:25 2014
Thread 1 advanced to log sequence 17162 (LGWR switch)
Current log# 2 seq# 17162 mem# 0: /dev/rredo1_2a_256m
Current log# 2 seq# 17162 mem# 1: /dev/rredo1_2b_256m
Fri Mar 21 17:41:00 2014
Trace dumping is performing id=[cdmp_20140321173953]
Fri Mar 21 17:41:18 2014
Trace dumping is performing id=[cdmp_20140321174010]
Fri Mar 21 17:41:34 2014
Trace dumping is performing id=[cdmp_20140321174027]
Fri Mar 21 17:41:52 2014
Trace dumping is performing id=[cdmp_20140321174044]
Fri Mar 21 17:42:08 2014
Trace dumping is performing id=[cdmp_20140321174101]
Fri Mar 21 17:43:00 2014
Trace dumping is performing id=[cdmp_20140321174153]
Fri Mar 21 17:43:17 2014
Trace dumping is performing id=[cdmp_20140321174209]
Fri Mar 21 17:43:33 2014
Trace dumping is performing id=[cdmp_20140321174226]
Fri Mar 21 17:43:49 2014
Trace dumping is performing id=[cdmp_20140321174243]
Fri Mar 21 17:44:06 2014
Trace dumping is performing id=[cdmp_20140321174258]
Fri Mar 21 17:44:26 2014
Thread 1 advanced to log sequence 17163 (LGWR switch)
Current log# 3 seq# 17163 mem# 0: /dev/rredo1_3a_256m
Current log# 3 seq# 17163 mem# 1: /dev/rredo1_3b_256m
Fri Mar 21 17:45:00 2014
Trace dumping is performing id=[cdmp_20140321174353]
Fri Mar 21 17:45:17 2014
Trace dumping is performing id=[cdmp_20140321174410]
Fri Mar 21 17:45:35 2014
Trace dumping is performing id=[cdmp_20140321174427]
Fri Mar 21 17:45:52 2014
Trace dumping is performing id=[cdmp_20140321174444]
同时在alert.log中不定期的产生死锁的信息：
Global Enqueue Service Deadlock detected. More info in file /oracle/admin/ballontt/udump/ballontt1_ora_6095180.trc
三、问题解决
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