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

[Jim Fulton]

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 3.8.0b8.
>


Jim

--
Jim Fulton
Zope Corporation