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From Jan Lehnardt <...@apache.org>
Subject Re: [VOTE] Apache CouchDB 1.2.0 release, third round
Date Wed, 28 Mar 2012 18:14:10 GMT

On Mar 28, 2012, at 20:07 , Filipe David Manana wrote:

> On Wed, Mar 28, 2012 at 7:03 PM, Jan Lehnardt <jan@apache.org> wrote:
>> 
>> On Mar 28, 2012, at 19:58 , Filipe David Manana wrote:
>> 
>>> On Wed, Mar 28, 2012 at 6:51 PM, Stefan Kögl <koeglstefan@gmail.com> wrote:
>>>> Hi everybody,
>>>> 
>>>> I just wanted to raise some attention to the DB compaction bug discovered
today
>>>> 
>>>>  https://issues.apache.org/jira/browse/COUCHDB-1451
>>>> 
>>>> While I initially discovered the bug with a 1.1.2 instance, this could
>>>> also affect 1.2. I think this issue should be resolved before closing
>>>> the vote. Filipe already provided a patch, so it shouldn't take too
>>>> long.
>>> 
>>> Stefan, the patch is only for 1.2.x (and master).
>>> That exact issue can't happen on 1.1.x releases, as it's related to
>>> code added in 1.2.x.
>>> 
>>> I'm voting -1 on this round just because of this issue.
>> 
>> Filipe, can you explain how frequent this issue would be? I can't quite
>> discover the circumstances from the patch & commit message.
> 
> Very frequent on some environments / work loads. It's highly timing
> sensitive. Happens if the compactor inserts the last batch of btree
> records in less than 500ms after the previous batch.

That sounds common enough to me that we should avoid shipping this in 1.2.0

Cheers
Jan
-- 


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