`<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Apr 21, 2015, at 2:41 PM, Theo Schlossnagle <<a href="mailto:jesus@omniti.com" class="">jesus@omniti.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Given that several of the original core OmniOS team work for Circonus, I'd say the answer from this side would be pretty biased.<div class=""><br class=""></div><div class="">Collectd works okay, but certainly isn't my preference as the polling interval can't easily modified on-demand during troubleshooting.</div></div></div></blockquote><div><br class=""></div><div>We've done a bunch of work on collectd collectors. It has the benefit of being lightweight and</div><div>low-impact, but isn't as inherently flexible as nad. <a href="https://github.com/Coraid/coraid-collectd" class="">https://github.com/Coraid/coraid-collectd</a></div><br class=""><blockquote type="cite" class=""><div class=""><div dir="ltr" class=""><div class=""><br class=""></div><div class="">We use nad everywhere: <a href="https://github.com/circonus-labs/nad" class="">https://github.com/circonus-labs/nad</a> It exposes systems telemetry in JSON over HTTP and has some really nice features like exposing histograms of syscall latencies and/or disk I/O latencies allowing you to track the latency of every individual I/O against every spindle -- nice for understanding workload changes and disk behavior issues.</div><div class=""><br class=""></div><div class="">As it is JSON data, it should trivial to pump it into just about any metrics systems... Circonus is free for up to 500 metrics:</div><div class=""><br class=""></div><div class=""><a href="http://www.circonus.com/free-account/" class="">http://www.circonus.com/free-account/</a><br class=""></div><div class=""><br class=""></div></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Tue, Apr 21, 2015 at 4:51 PM, Chris Siebenmann <span dir="ltr" class=""><<a href="mailto:cks@cs.toronto.edu" target="_blank" class="">cks@cs.toronto.edu</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Out of curiosity: I suspect that plenty of people are gathering basic<br class="">
system activity stats for their OmniOS systems and pushing them into<br class="">
modern metrics systems such as graphite (to pick perhaps the most well<br class="">
known package for this). For those that are doing this, what is your<br class="">
preferred collection agent?<br class=""></blockquote></div></div></div></blockquote><div><br class=""></div><div>graphite is at the end of its life, though we can still feed it from collectd.</div><div>There are many things I like about Circonus, but for various reasons we've</div><div>been going with influxdb as an interesting target.</div><div><br class=""></div><blockquote type="cite" class=""><div class=""><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br class="">
(My ideal collection agent would be able to gather stats for ZFS,<br class="">
network and disk IO, and general kernel stats analogous to vmstat<br class="">
and mpstat.)<br class=""></blockquote></div></div></div></blockquote><div><br class=""></div><div>The upstream (<a href="http://collectd.org" class="">collectd.org</a>) collectd collectors are pretty generic and lowest-common</div><div>denominator. To get details like mpstat/vmstat we added new collectors, see above link.</div><div> -- richard</div><br class=""><blockquote type="cite" class=""><div class=""><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br class="">
Thanks in advance.<br class="">
<br class="">
- cks<br class="">
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</blockquote></div><br class=""><br clear="all" class=""><div class=""><br class=""></div>-- <br class=""><div class="gmail_signature"><p class="">Theo Schlossnagle</p><p class=""><a href="http://omniti.com/is/theo-schlossnagle" target="_blank" class="">http://omniti.com/is/theo-schlossnagle</a></p></div>
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