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On 28 Jun 2006, at 11:13, Richard Jones wrote:

On Wednesday 28 June 2006 18:31, Jens Vagelpohl wrote:
Are you using persistent ZEO caches? Those have been known to cause
odd symptoms here and there...

What do you mean by "persistent"? I have noticed strange beahviours if I don't
remove the caches when I do a full (client + server) restart. Removing
the .zec files is part of my standard full restart maintenance routine now.

If you look at the zeoclient stanza inside the zodb_db main section in your zope.conf you see this:

     # Uncomment to have a persistent disk cache
     #client zeo1

This option gives you a persistent ZEO disk cache, which means the cache file is retained across restarts. I assume you have that uncommented, otherwise the .zec files would not hang around. If you comment it you won't have to worry about .zec files anymore, and about odd behaviors.

This option does *not* mean "use a cache at all? yes or no", it just means "keep the cache file around".

jens

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