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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-3131) Background cleaner has no daemon service after database creation
Date Fri, 30 Nov 2007 15:49:43 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Knut Anders Hatlen updated DERBY-3131:
--------------------------------------

    Attachment: d3131.stat
                d3131.diff

With the attached patch, the background cleaner is also started the first time a database
is booted (verified with the repro posted above). I moved the starting of the background cleaner
out of BaseDataFileFactory.postRecovery() to a separate method called setupCacheCleaner().
This method is now invoked at the end of LogToFile.recover() regardless of whether or not
recovery actually has been performed.

I have started suites.All and derbyall.

> Background cleaner has no daemon service after database creation
> ----------------------------------------------------------------
>
>                 Key: DERBY-3131
>                 URL: https://issues.apache.org/jira/browse/DERBY-3131
>             Project: Derby
>          Issue Type: Bug
>          Components: Services, Store
>    Affects Versions: 10.4.0.0
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>            Priority: Minor
>         Attachments: d3131.diff, d3131.stat
>
>
> When a database is booted, the page cache and the container cache are given a daemon
service to perform operations in the background. This happens in BaseDataFileFactory.postRecovery().
When a new database is created this code is not executed (presumably because we don't perform
recovery), so its background cleaner remains inactive until the database is rebooted. The
background cleaner should be active after the first boot.

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