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From Filipe David Manana <fdman...@apache.org>
Subject Re: [VOTE] Apache CouchDB 1.2.0 release, third round
Date Wed, 28 Mar 2012 18:07:48 GMT
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.

>
> Cheers
> Jan
> --
>



-- 
Filipe David Manana,

"Reasonable men adapt themselves to the world.
 Unreasonable men adapt the world to themselves.
 That's why all progress depends on unreasonable men."

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