[ZODB-Dev] conflict errors in persistent ZEO client cache
Jim Fulton
jim at zope.com
Fri Oct 3 14:37:15 EDT 2008
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
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