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Re: Frequent database corruption

From: Florian Weimer <fw_at_deneb.enyo.de>
Date: 2005-02-19 13:46:38 CET

* Michel Jouvin:

> The first corruptions we experienced generally occurred during commit,
> especially on large repositories. When we looked at possible causes for
> these corruptions, we found that one reason was we were running 2 Apache
> servers on 2 different nodes in a cluster configuration (cluster file
> system, no NFS involved).

Does the cluster file system provide distributed shared memory and
mutexes which properly, even across cluster nodes?

If not, this explains everything. You are running Berkeley DB mostly
without internal locking. No wonder it corrupts its internal data

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Received on Sat Feb 19 13:49:12 2005

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