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вторник, 29 ноября 2016 г.

A lot of log.* files in dirbdb directory

Since I had added ENABLEMONITORING in the GLOBALS file, I noticed that $OGG_HOME/dirbdb directory started growing.
That was OGG version 12.2.0.1.160517.
The size of this directory was 23G in the test environment and the ENABLEMONITORING option was set 3 weeks ago:
-bash-4.1$ du -sh dirbdb
 23.8G   dirbdb
From that 23.8G , 23.5G was occupied by the log.* files like below:
-rw-r-----   1 oracle dba      10485760 Nov 16 18:16 log.0000015971
-rw-r-----   1 oracle dba      10485760 Nov 16 18:28 log.0000015972
-rw-r-----   1 oracle dba      10485760 Nov 16 18:41 log.0000015973
-rw-r-----   1 oracle dba      10485760 Nov 16 18:55 log.0000015974
-rw-r-----   1 oracle dba      10485760 Nov 16 19:08 log.0000015975
-rw-r-----   1 oracle dba      10485760 Nov 16 19:20 log.0000015976
-rw-r-----   1 oracle dba      10485760 Nov 16 19:32 log.0000015977
-rw-r-----   1 oracle dba      10485760 Nov 16 19:43 log.0000015978
-rw-r-----   1 oracle dba      10485760 Nov 16 19:55 log.0000015979
-rw-r-----   1 oracle dba      10485760 Nov 16 20:07 log.0000015980
-rw-r-----   1 oracle dba      10485760 Nov 16 20:19 log.0000015981
-rw-r-----   1 oracle dba      10485760 Nov 16 20:31 log.0000015982
These files were generated approximately every ten minutes and each of them was 10M in size that made up 1.4G daily.
Having searched through MOS and Internet search engines, I stumbled across this MOSC Thread: Monitoring - Berkeley Database.
So I created a new DB_CONFIG file within the dirbdb directory and put this line into it:
-bash-4.1$ cat dirbdb/DB_CONFIG 
set_flags DB_LOG_AUTOREMOVE 
Then I restarted my OGG processes and discovered that these log files were gone.
Now there are only two log files that are kept:
[oracle@host ggs]$ ls -ltr dirbdb/log*
-rw-r-----   1 oracle   dba      10485760 Nov 28 13:31 dirbdb/log.0000017532
-rw-r-----   1 oracle   dba      10485760 Nov 28 13:41 dirbdb/log.0000017533
[oracle@host ggs]$ ls -ltr dirbdb/log*
-rw-r-----   1 oracle   dba      10485760 Nov 28 13:42 dirbdb/log.0000017533
-rw-r-----   1 oracle   dba      10485760 Nov 28 13:51 dirbdb/log.0000017534
[oracle@host ggs]$ ls -ltr dirbdb/log*
-rw-r-----   1 oracle   dba      10485760 Nov 29 07:21 dirbdb/log.0000017625
-rw-r-----   1 oracle   dba      10485760 Nov 29 07:22 dirbdb/log.0000017626
Looks like another option that should be added in the environments in which ENABLEMONITORING is set.
Yet, MOS returns no hits apart from the aforementioned MOSC thread.

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