Home Database Mysql Tutorial 【翻译自mos文章】在Oracle GoldenGate中循环使用ggserr.log的方

【翻译自mos文章】在Oracle GoldenGate中循环使用ggserr.log的方

Jun 07, 2016 pm 03:33 PM
oracle cycle article

在OGG中循环使用ggserr.log的方法: 参考原文: OGG How Do I Recycle The ggserr.log File? (Doc ID 967932.1) 适用于: Oracle GoldenGate - Version 4.0.0 and later Generic Linux 问题 GoldenGate的 ggserr.log 日志文件包括有关 GoldenGate 事件的信息

在OGG中循环使用ggserr.log的方法:

参考原文:
OGG How Do I Recycle The "ggserr.log" File? (Doc ID 967932.1)

适用于:
Oracle GoldenGate - Version 4.0.0 and later
Generic Linux

问题
GoldenGate的 ggserr.log 日志文件包括有关 GoldenGate 事件的信息,比如:进程启动,关闭,error ,warning。该文件可能会变的很大。为了循环使用该文件,你不得不停止所有的GoldenGate进程。

解决方案:
1.有一个需求是:在GoldenGate进程运行时,循环使用ggserr.log,在此种情况下,你可以用如下的方法:

          1).  Back up the "ggserr.log" file using the following command:
                   cp -p ggserr.log ggserr.log.bkup

          2).  Truncate the file using the following command:
                   cat /dev/null > ggserr.log
Copy after login


 

注意:
在windows环境中, 需要使用unix 模拟器(比如cygwin)来完成上述操作。


如果ggserr.log很大,上一步可能需要很长时间,在此时间之内,注意,这个时间是指在1)和2)之间存在时间差,在step1 和step2之间插入的条目会丢失。
如果要求不能丢失任何条目,那么在ggserr.log最末尾的行(指在step1和step2之间新插入的行)可以被再次备份。

例子:

tail -500 > ggserr.log.bkup_2
Copy after login


 

对于veridata:
Similar functionality is available for the Veridata veridata.log.
See note 1385983.1 for details.

2. 另外的一个解决方案是 use logrotate (note 1466849.1)

--->注意:note 1466849.1  是指:How to Rotate GoldenGate ggserr.log using logrotate utility for Unix/Linux? (Doc ID 1466849.1)


 

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