[ZODB-Dev] conflict errors in persistent ZEO client cache

[Jim Fulton]

On Oct 3, 2008, at 2:34 PM, Jeff Shell wrote:

> On Sep 25, 2008, at 6:31 AM, Jim Fulton wrote:
>> On Sep 25, 2008, at 1:12 AM, Jeff Shell wrote:
>>> In ZODB 3.8.0, while prepping a customer's site to go from staging  
>>> to
>>> production and doing a fair amount of big operations, we started
>>> seeing conflict errors. It was a 200MB cache size, with a persistent
>>> client cache. Keeping the same cache size (against a base storage of
>>> about 700MB) but turning off the persistent client cache seemed to
>>> make the problem go away.
>>>
>>> The persistent cache file at the time of the conflict error was  
>>> close
>>> to 200MB in size, but doesn't it always go to the size configured,
>>> regardless of how much data is inside?
>>
>> Since ZODB 3.8.0, I have fixed *many* ZEO cache bugs.  What you
>> describe is one symptom.  I suggest upgrading to 3.8.1b8.
>
> Just to follow up and hopefully help get 3.8.1 out the door - trying
> these sites and configurations on 3.8.1b8 worked much better than on
> 3.8.0.


Great. Thanks.  Hopefully, after fixing a couple of spurious windows  
test failures, I'll get 3.8.1 out this weekend.

Jim

--
Jim Fulton
Zope Corporation