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Re: [pcp] Trying out ElasticSearch PMDA for the first time

To: chandana@xxxxxxxxxxxxx, Paul Smith <psmith@xxxxxxxxxx>
Subject: Re: [pcp] Trying out ElasticSearch PMDA for the first time
From: Nathan Scott <nathans@xxxxxxxxxx>
Date: Wed, 8 Apr 2015 20:22:52 -0400 (EDT)
Cc: pcp@xxxxxxxxxxx
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Reply-to: Nathan Scott <nathans@xxxxxxxxxx>
Thread-index: lpVC7ISUQ6PIZHm1FVie4fgU0jisxQ==
Thread-topic: Trying out ElasticSearch PMDA for the first time
Hi guys,

----- Original Message -----
> Nathan and Paul,
> 
> Many thanks and the cat api looks very nice. It will even help us work
> out some performance issues ( > 300k events per minute).
> 
> I will try and look through the PMDA and work out which of the GET's are
> failing, looking at the pminfo output it seems all of them are. So it is
> possible that they have been removed from the API, as Paul says.

Installed latest elasticsearch (1.5) and AFAICT they all seem to be there -
the PMDA functions fine here and values are returned after a minimal setup
(so no actual indices, single node cluster, etc) ... hmm, so not clear what
is going on in your case there Chandana.

When I said earlier the pmda was "same as issuing a curl" - thats not quite
correct.  The PMDA uses the perl lightweight http client (LWP::UserAgent is
the name of the module - perhaps it has global configuration state somewhere
outside the PMDA?).  Or do you have elasticsearch on a non-default port?

cheers.

--
Nathan

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