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Re: [pcp] pcp updates - pmdamemcache qa & pmview man pages

To: Ken McDonell <kenj@xxxxxxxxxxxxxxxx>
Subject: Re: [pcp] pcp updates - pmdamemcache qa & pmview man pages
From: Nathan Scott <nathans@xxxxxxxxxx>
Date: Tue, 12 Aug 2014 21:57:40 -0400 (EDT)
Cc: pcp@xxxxxxxxxxx, Paul Colby <paul.colby@xxxxxxxxxxxxxxxxxxx>
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Reply-to: Nathan Scott <nathans@xxxxxxxxxx>
Thread-index: hsPklGM1YN0tX0RUCpUVSmZHu9vMng==
Thread-topic: pcp updates - pmdamemcache qa & pmview man pages
Hi Ken,

----- Original Message -----
> [...]
> I'll merge 'em.  But a couple of questions ...
> 
> 1. should we use the perl probe (nothing extra to install) or nc(1) (may
> or may not be installed)?
> 
> 2. I don't know enough about "slabs" for memcache to know if the stats
> from "stats slabs" and "stats items" are genuinely interesting ... the
> PMDA does not currently expose this AFAICT.
> 

I found some time today and went ahead and merged them - I was seeing
intermittent QA failures on both & needed to dig deeper anyway.  I did
came across a couple of things - stats slabs is used, to my surprise,
for active_slabs & total_malloced.  So there was a couple of metrics
777 was accidentally overlooking.  Also memcache apparently runs on
non-Linux boxen too, so I dropped the platform-specific notrun checks.

As we discussed though, I went ahead with the perl checker and dropped
the netcat use (which turned out to have platform dependencies too).

cheers.

--
Nathan

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