关于Oracle listener日志解析利器的使用方法-木庄网络博客

本文整理自网络，侵删。

前言

我们在处理数据库的问题的时候，有时在数据库端看不到异常的等待，但是应用却报连接异常。

这种情况，有可能是在压力还没有传递到数据库，在网络这层已经发生问题了。如连接风暴，此时的数据库listener的进程已经忙不过来，将连接丢弃。（在主机层面可以看到tcpListeneDrop增加）。

我们如果去看普通的listener日志，看到的东西是这样的：

……
24-FEB-2017 09:11:03 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=sqlplus@mynwdb)(HOST=mynwdb)(USER=appl))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65184)) * establish * mynwdb * 0
24-FEB-2017 09:11:06 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=STANDARD)(HOST=mynwdb)(USER=appl))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65186)) * establish * mynwdb * 0
24-FEB-2017 09:11:10 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=STANDARD)(HOST=mynwdb)(USER=appl))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65188)) * establish * mynwdb * 0
24-FEB-2017 09:11:10 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=STANDARD)(HOST=mynwdb)(USER=appl))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65189)) * establish * mynwdb * 0
Fri Feb 24 09:11:14 2017
24-FEB-2017 09:11:14 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=INVMGR)(HOST=mynwdb)(USER=nusr))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65194)) * establish * mynwdb * 0
24-FEB-2017 09:11:14 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=INVMGR)(HOST=mynwdb)(USER=nusr))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65195)) * establish * mynwdb * 0
24-FEB-2017 09:11:15 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=INVMGR)(HOST=mynwdb)(USER=nusr))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65196)) * establish * mynwdb * 0
24-FEB-2017 09:11:15 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=INVMGR)(HOST=mynwdb)(USER=nusr))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65197)) * establish * mynwdb * 0
24-FEB-2017 09:11:15 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=INVMGR)(HOST=mynwdb)(USER=nusr))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65198)) * establish * mynwdb * 0
24-FEB-2017 09:11:15 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=INVMGR)(HOST=mynwdb)(USER=nusr))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65199)) * establish * mynwdb * 0
24-FEB-2017 09:11:15 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=INVMGR)(HOST=mynwdb)(USER=nusr))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65200)) * establish * mynwdb * 0
24-FEB-2017 09:11:15 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=INVMGR)(HOST=mynwdb)(USER=nusr))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65201)) * establish * mynwdb * 0
24-FEB-2017 09:11:16 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=INVMGR)(HOST=mynwdb)(USER=nusr))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65202)) * establish * mynwdb * 0
24-FEB-2017 09:11:16 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=INVMGR)(HOST=mynwdb)(USER=nusr))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65203)) * establish * mynwdb * 0
24-FEB-2017 09:11:16 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=INVMGR)(HOST=mynwdb)(USER=nusr))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65204)) * establish * mynwdb * 0
24-FEB-2017 09:11:16 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=INVMGR)(HOST=mynwdb)(USER=nusr))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65205)) * establish * mynwdb * 0
24-FEB-2017 09:11:16 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=INVMGR)(HOST=mynwdb)(USER=nusr))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65206)) * establish * mynwdb * 0
24-FEB-2017 09:11:17 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=INVMGR)(HOST=mynwdb)(USER=nusr))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65207)) * establish * mynwdb * 0
24-FEB-2017 09:11:17 * (CONNECT_DATA=(SID=mynwdb)(CID=(PROGRAM=INVMGR)(HOST=mynwdb)(USER=nusr))) * (ADDRESS=(PROTOCOL=tcp)(HOST=11.22.3.123)(PORT=65208)) * establish * mynwdb * 0
……

这样我们会看的比较晕，不知道里面的连接数变化。

有一个listener日志的解析利器，可以分析到这种类型的问题。下载见文末。

阅读剩余部分