~]# ls -l /opt/app/oracle/diag/rdbms/db11/db11/alert/log.xml Look and see if the alert log (log.xml) file still exists. Access the ADRCI utility and issue the purge command for purging anything older than one minute. Look at the timestamp on the current alert log (log.xml). We can see this in another very simple example by looking at the files in the alert diagnostic data before and then after issuing the purge command:ġ. Granted, if we changed our purge command to purge data that is older than one minute, clearly our alert log (log.xml) will be purged (removed). Just because the alert log contains diagnostic data older than 1440 minutes, the file itself has been accessed and updated within one day so it is not purged. In a nutshell, the purge command only acts upon diagnostic data at the file level not looking inside any file and the data it contains. So what is really happening here is the question that needs to be answered.
#Autopurge incident manuals
After all, the manuals state that the purge command will purge diagnostic data in the current ADR home according to purging policies (1440 minutes). Very quickly, from the show alert command, we can see that the purge did not do what we might have expected or wished for–that it would remove data from the alert log for us. Now all we need to do is look again at the alert log to see if there are any changes. So let’s attempt purging for diagnostic data that is over 1 day old (1440 minutes). As the manuals state, purging is done for diagnostic data that is older than the amount of time (minutes) given in the purge command. Issue the purge command to attempt to remove data from the alert log. Opening with internal Resource Manager planģ. Verifying 11g file header compatibility for tablespace encryption completed Verifying file header compatibility for 11g tablespace encryption. adrci> show alertĬurrent log# 3 seq# 105 mem# 0: /opt/app/oracle/oradata/db11/redo03.logĬlearing Resource Manager plan via parameter Now look at the alert log at the top and bottom to get an idea of what dates are contained within it. First, we can access the ADRCI utility, set our homepath. For this reason, let’s examine a simple example, looking what the alert log (log.xml) contains, issuing the purge command, and then looking again at the alert log.ġ.
While the syntax is correct the desired or perceived outcome is not always apparent. Towards the end of the second article there was mention of purging the old data from the alert log with a “PURGE –AGE” command that took the form of: PURGE –AGE 7200 –TYPE ALERT However, we still have a bunch of alert log information lying around, either in the log.xml file or in separate files under the diag directory structure.
#Autopurge incident how to
Just be forewarned on how to actually use it since the desired or perceived outcome is not always apparent.Īlert Log Scraping with Oracle’s ADRCI Utility looks at extracting Oracle alert errors from the alert log and Rotating Oracle’s Alert Log with ADRCI discussed taking those extracted errors and making backup copies of them by day in separate directories.
#Autopurge incident update
length // => 8 // Array modified outside of AutoPurge? myArray. apply(purge, ) // => 2 (records purged) purge. push( 'new value ') // => 0 (no records purged) purge.
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