<p></p>
<p>We can't really help you debug operational issues like this as we have no access to your environment.</p>
<p>At the very least we would need more information about what triggers the I/O before we could even begin to guess at the problem - the web site code does nothing at all except in response to user requests when a page is loaded.</p>
<p>You haven't even said what process is doing the I/O that you're seeing - maybe it's the database manager doing a background vacuum or something?</p>

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