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<div>Nanoseconds?</div>
<div>You need something like a GPS (run of the mill is good to 10-50 ns) or IEEE-1588 timing distribution (Precision Time Protocol)</div>
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<div>If you have accurate 1pps to appropriate hardware on your nodes, then getting (much better) than sub-microsecond timing is more a matter of software than the hardware.</div>
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<p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt;"><span style="color: rgb(31, 73, 125); ">James Lux, P.E.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt;"><span style="color: rgb(31, 73, 125); ">Task Manager, FINDER – Finding Individuals for Disaster and Emergency Response<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt;"><span style="color: rgb(31, 73, 125); ">Jet Propulsion Laboratory<o:p></o:p></span></p>
<p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt;"><span style="color: rgb(31, 73, 125); ">4800 Oak Grove Drive, MS 161-213<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt;"><span style="color: rgb(31, 73, 125); ">+1(818)354-2075<o:p></o:p></span></p>
<p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt;"><span style="color: rgb(31, 73, 125); ">+1(818)395-2714 (cell)</span></p>
<p class="MsoNormal" style="margin: 0in 0in 0.0001pt; font-size: 11pt;"><o:p> </o:p></p>
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<span style="font-weight:bold">From: </span>Matt Hurd <<a href="mailto:matthurd@acm.org">matthurd@acm.org</a>><br>
<span style="font-weight:bold">Date: </span>Saturday, August 9, 2014 at 5:16 PM<br>
<span style="font-weight:bold">To: </span>Walid <<a href="mailto:walid.shaari@gmail.com">walid.shaari@gmail.com</a>><br>
<span style="font-weight:bold">Cc: </span>"<a href="mailto:beowulf@beowulf.org">beowulf@beowulf.org</a>" <<a href="mailto:beowulf@beowulf.org">beowulf@beowulf.org</a>><br>
<span style="font-weight:bold">Subject: </span>Re: [Beowulf] ELK query "Elasticsearch, logstash and Kibana"<br>
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<div dir="ltr">Can it do better than millisecond time stamps yet? My network stuff needs nanoseconds or better...
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<div>--Matt.</div>
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<div class="gmail_quote">On 7 August 2014 12:48, Walid <span dir="ltr"><<a href="mailto:walid.shaari@gmail.com" target="_blank">walid.shaari@gmail.com</a>></span> wrote:<br>
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<div dir="ltr"><span style="font-family: arial, sans-serif; font-size: 13px;">Hi,</span>
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<div style="font-family:arial,sans-serif;font-size:13px">I am interested to see if any one is already using ELK for HPC related logs. i would like to know more about what metrics, information, reports they are generating and logstash patterns, filters, any
groks used. I have just started working on this starting with the configuration management side of systems, however i see huge potential for people who can not afford to have splunk, I am thinking scheduler, interconnect, GPFS, provisioning, system logs, job
tractability, metrics from accounting file, profiling, better failure management and visualisation. </div>
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<div style="font-family:arial,sans-serif;font-size:13px">kind regards</div>
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<div style="font-family:arial,sans-serif;font-size:13px">Walid</div>
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