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Re: [pcp] Linux PMDA fd leak metric

To: Nathan Scott <nathans@xxxxxxxxxx>
Subject: Re: [pcp] Linux PMDA fd leak metric
From: David Disseldorp <ddiss@xxxxxxx>
Date: Mon, 25 Jul 2011 10:59:53 +0200
Cc: pcp@xxxxxxxxxxx
In-reply-to: <701497997.156382.1311555145837.JavaMail.root@xxxxxxxxxxxxxxxxxxxxxx>
References: <1311549243-10986-1-git-send-email-ddiss@xxxxxxx> <701497997.156382.1311555145837.JavaMail.root@xxxxxxxxxxxxxxxxxxxxxx>
On Mon, 25 Jul 2011 10:52:25 +1000 (EST)
Nathan Scott <nathans@xxxxxxxxxx> wrote:

> Awesome - thanks David.  Couple minor suggestions - would the name
> "proc.fd.count" be slightly clearer?  Also, with the readdir loop

Yes, agreed.

> (where cpu time is proportional to number of dirents, which in the
> case of some java apps I've come across, will often number in the
> thousands) - it might be quicker to remove the if-symlink branch in
> there, and instead just always bump the counter.  Then subtract two
> at the end of the loop, to remove the current and parent entries.

Thanks for the feedback Nathan, I'll make both of these changes and
resend.

Cheers, David

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