DbRunAction batchClean vs verifyUtilization

While I was troubleshooting a database, cleaning problem, I came across the DbRunAction utility. I would be grateful if someone could explain to me why do I get different results with batchClean and verifyUtilization. Here is the result:

java $- jar ~/je-3.3.75.jar DbSpace - h.
Used execute% file size (KB)
-------- --------- ------
000002E4 97656 0
000002e5 76013 0
TOTAL 173669 0

java $- jar ~/je-3.3.75.jar DbRunAction - h. - a batchClean
Files cleaned: 0

java $- jar ~/je-3.3.75.jar DbRunAction - h. - a verifyUtilization
2009-05-07 13:35:51:685:CDT INFO CleanerRun 1 on file 0x2e4 starts back = 0
2009-05-07 13:35:55:203:CDT SERIOUS CleanerRun 1 on file 0x2e4 invokedFromDaemon = true finished = true fileDeleted = false nEntriesRead = nINsObsolete 374189 = 7805 nINsCleaned = 83 77 nINsMigrated = 6 nLNsObsolete = nLNsCleaned 366220 = nINsDead = 75 nLNsDead = 23 nLNsMigrated = 0 nLNsMarked = 52 = 45 nLNsLocked = 0 nLNQueueHits
2009-05-07 13:35:57:861:CDT deleted the file 0x2e4 SEVERE cleaner

recovery time = 710 millis 0.01 minutes
time of action = 6 005 millis 0 minutes

I don't understand why batchClean did not remove a log file and why verifyUtilization.

Hi Bertold,

It is hard to say without actually debugging. I don't think it's important. Here are internal utilities that we use to simulate different actions, and they are not documented or taken care of. You are free to take a look at the source and copy/modify as needed for your own use.

However, if you try to analyze a log cleaning question, my guess is that the difference you see here don't you is not directed towards the solution.

-mark

Tags: Database

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