Reads against _ContentBaseDefinition.wiki are not unexpected - it's
conceptually read multiple times per request just to check namespace
permissions. I wouldn't be at all surprised to see a hundred conceptual
reads against it just for one page to render. However, I added caching
because of this very fact, so you should see exactly *one* read against the
physical file per time that it changes.
That said, it's possible that it's getting flushed from the ASP.NET cache,
where it gets stored. I wouldn't think so, as it would just get put back in
there again the next go around, but it would explain what you're seeing.
What do you see on the admin Cache Management page that Derek did?
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of James
Berry
Sent: Thursday, December 20, 2007 11:44 AM
To: 'FlexWiki Users Mailing List'
Subject: Re: [Flexwiki-users] FlexWiki 2.0 100% CPU
Since my last iisreset (not that long ago), w3wp.exe has done - according to
taskman -- 1,244,677 I/O reads and 14,558,000 I/O Other.
Mem Usage is steadily growing (started at about 90mb, now up to 140mb).
Running sysinternals filemon, I see a very large number (hundreds) of
FASTIO_QUERY_OPEN for _ContentBaseDefinition.wiki in one of my namespaces,
and another specific topic (AdastraSoftwareLtdInformation.wiki). This topic
actually contains very little and no-one would be accessing it really. It
may be being scanned by some wikitalk, of course.
I have just disabled newsletters and recycled iis. W3wp.exe has started at
45mb. I'll watch it over the next hour or so and see if it was related to
newsletter processing.
Best wishes
James
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of James
Berry
Sent: 20 December 2007 16:18
To: 'FlexWiki Users Mailing List'
Subject: Re: [Flexwiki-users] FlexWiki 2.0 100% CPU
(this is 2.0.0.178, btw)
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of James
Berry
Sent: 20 December 2007 15:57
To: 'FlexWiki Users Mailing List'
Subject: [Flexwiki-users] FlexWiki 2.0 100% CPU
I've just uploaded my little internal wiki from 1.8 to 2.0 (fresh install;
copies across namespaces and reconfigured)
It's all working fine. However my CPU utilisation on my web server is now
pinned at around 100% (all w3wp.exe).
Before I start delving into the code, does anyone have any ideas on things
to check out?
Best wishes
James
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