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Re: [pcp] PCP JMX PMDA

To: pcp@xxxxxxxxxxx
Subject: Re: [pcp] PCP JMX PMDA
From: Marko Myllynen <myllynen@xxxxxxxxxx>
Date: Thu, 24 Mar 2016 17:03:02 +0200
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In-reply-to: <1602523405.33866004.1458794020949.JavaMail.zimbra@xxxxxxxxxx>
Organization: Red Hat
References: <56D8858A.3020407@xxxxxxxxxx> <56E05862.7040707@xxxxxxxxxx> <282702840.33546644.1458721199633.JavaMail.zimbra@xxxxxxxxxx> <D9B89914-50FA-4847-9D57-12117B60949B@xxxxxxxxxx> <1602523405.33866004.1458794020949.JavaMail.zimbra@xxxxxxxxxx>
Reply-to: Marko Myllynen <myllynen@xxxxxxxxxx>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0
Hi,

On 2016-03-24 06:33, Nathan Scott wrote:
> ----- Original Message -----
>> [...]
>> Stop-the-World-Make-Coffee-and-perhaps-have-some-biscuits; you get values,
>> likely 'stale'.  In the GC paused state, not much is happening in the JVM
>> _anyway_ so whatever values are available aren't likely to change much
>> (other than the GC values themselves..)
> 
> Right - for all counter metrics (the best kind of metrics), those values are
> still 100% correct.  IOW the right thing to do is for tools to report a zero
> rate-of-change - which, happily, is exactly what happens.

It's just like pmdajmx, then.

Cheers,

-- 
Marko Myllynen

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