Hi Tres,

thanks for your response: it is very helpful. The posting you refer to is particularly helpful. Thanks for digging it up for me!


Cheers,

Cyrille

Tres Seaver wrote:
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Cyrille Bonnet wrote:

Hi there,

One of my clients is using Plone on Solaris 9. We have set up one ZEO
client on a Solaris machine and a ZEO server on another Solaris machine
(for testing purposes only at this stage).

Performance is great but every morning, the first hit to the Plone site
returns a ClientDisconnected error (see full error log below). It looks
like the socket on the server gets corrupted or something.

When the error occurs, the server is non-responsive for a while
(anywhere between 10 sec and 2 minutes) and then eventually the server
responds.

Has anybody seen that before? Is it Zope related or should I look in
other directions?

Researching Zope on Solaris, I read somewhere (can't remember where now)
that Solaris doesn't like long-running processes too much (well, the
Zope process, for instance). Could it be the culprit here?

Any advise or pointer welcome.


I would check for a "rude" firewall between your appserver and the
storage server:  one which is closing sockets it sees as "idle" for too
long.  Dieter Maurer has a product which works around such scenarios:

  http://mail.zope.org/pipermail/zodb-dev/2005-June/008967.html


Tres.
- --
===================================================================
Tres Seaver          +1 202-558-7113          [EMAIL PROTECTED]
Palladion Software   "Excellence by Design"    http://palladion.com
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