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From "Bergquist, Brett" <BBergqu...@canoga.com>
Subject RE: Issue DERBY-5632 is also happening with some regularity
Date Wed, 13 Mar 2013 21:34:21 GMT
Thanks Knut.  I am going to see if I can create a stress condition that will get this to happen
with more regularity so that we might be able to reproduce the problem and try to verify if
the patch takes care of this.

-----Original Message-----
From: Knut Anders Hatlen [mailto:knut.hatlen@oracle.com] 
Sent: Wednesday, March 13, 2013 5:27 PM
To: derby-dev@db.apache.org
Subject: Re: Issue DERBY-5632 is also happening with some regularity

"Bergquist, Brett" <BBergquist@canoga.com> writes:

> https://issues.apache.org/jira/browse/DERBY-5632
>
> This has happened about 7 times in the past 7 months almost about 30 
> days apart. We use a freeze/ZFS snapshot/unfreeze mechanism to backup 
> the database nightly with very limited downtime (a couple of seconds 
> while the database is frozen) but as I said, it periodically will not 
> unfreeze.
>
> I see that Knut attached a patch. Is this patch in any of the later
> 10.9 release or the upcoming 10.10 release of Derby? Or do I need to 
> apply the patch myself to 10.8.2.1?

Hi Brett,

This issue had fallen off my radar. The patch hasn't been committed to any branch yet. I think
the patch should be safe, so I'll refresh it and commit it to trunk so that it may be included
in 10.10.

--
Knut Anders



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