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From "Brett Bergquist (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-6350) Provide a rolling file implementation of derby.log
Date Wed, 25 Sep 2013 18:12:04 GMT

    [ https://issues.apache.org/jira/browse/DERBY-6350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13777840#comment-13777840
] 

Brett Bergquist commented on DERBY-6350:
----------------------------------------

Thanks for volunteering to take a look at this Mamta.  I have backported it to 10.9.1.1 (my
local modified copy and am using it now in production).  

I will take a look at the tests and the jira that you pointed out.  

As to your question on soft upgrade versus hard upgrade, since this introduce no change in
the database at all in terms of the API, data structures, or anything else visible at that
database level, only a logging facility as part of the engine, I think it should be available
on a soft upgrade and I have made no coding to enforce that it not be.

What is your thoughts on this.
                
> Provide a rolling file implementation of derby.log
> --------------------------------------------------
>
>                 Key: DERBY-6350
>                 URL: https://issues.apache.org/jira/browse/DERBY-6350
>             Project: Derby
>          Issue Type: Improvement
>          Components: Miscellaneous
>            Reporter: Brett Bergquist
>            Priority: Minor
>              Labels: features
>         Attachments: rollingfilelog.patch.txt, rollingfilelog.patch.txt
>
>
> By default, derby.log grows without bounds if the derby.infolog.append property is set
to "true".   Setting this to "true" helps in a hands off production environment to ensure
that if Derby restarts, the derby.log which might contain important information is not lost.
 On the other hand, when set the "true" the derby.log grows without bounds.  This is problematic
in a long running system.  
> What is really needed is the ability to have a rolling derby.log file support where the
maximum file size and maximum number of files can be specified.  Derby has the ability to
configure the location of the log file (ie. derby.stream.error.file) and also two methods
of redirecting the error stream (.ie derby.stream.error.method and derby.stream.error.field).
 There is no standard implementation that supports a rolling derby.log however.
> This facility should be part of the core Derby system so that it works in both embedded
and network server models.

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