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Re: pmclusterd versus other solutions

To: Jeff Hanson <jhanson@xxxxxxx>
Subject: Re: pmclusterd versus other solutions
From: fche@xxxxxxxxxx (Frank Ch. Eigler)
Date: Thu, 01 Sep 2016 11:44:39 -0400
Cc: Mark Goodwin <mgoodwin@xxxxxxxxxx>, pcp@xxxxxxxxxxx
Delivered-to: pcp@xxxxxxxxxxx
In-reply-to: <49c5d203-5378-5cbb-7092-7ed23035af56@xxxxxxx> (Jeff Hanson's message of "Thu, 1 Sep 2016 07:33:15 -0400")
References: <3b551b84-ff74-5b9c-5854-3bdcba1c1212@xxxxxxx> <CAFmffyUkbMi1g3XScEE-XjEHBmdbd5WvHZ6UpGKN_eZtG6pm=g@xxxxxxxxxxxxxx> <49c5d203-5378-5cbb-7092-7ed23035af56@xxxxxxx>
User-agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.4 (gnu/linux)
jhanson wrote:

> [...]  And regardless of the issues here I was interested in what
> other people do with pcp to monitor cluster nodes.  [...]

That's a good question.  PCP's one-host/archive-at-a-time mentality
percolates, with only a few tools allowing limited co-mingling of data
for a small number of machines.  Our archive files, while well tuned
for efficient initial logging from an individual host, are an obstacle
to joint or ad-hoc analysis across time spans or hosts.  The
multi-archive work is a step forward, but there is a long way to go.

- FChE

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