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08.07.2018
,
spot-monitoring the compute nodes, and
debugging.
This list is just the short version; the real list is extensive. Anything you want to do on a single node can be done on a large number of nodes
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21.12.2017
^15 floating point operations per second). In total, almost 500TB of main memory and nearly 20PB of external memory are available for data.
In addition to high computing power, SuperMUC also displays impressive
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18.10.2017
The HPC world has some amazing “big” tools that help administrators monitor their systems and keep them running, such as the Ganglia and Nagios cluster monitoring systems. Although
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10.07.2017
with the original Raspberry Pi Model A, ranging from two to more than 250 nodes. That early 32-bit system had a single core running at 700MHz with 256MB of memory. You can build a cluster of five RPi3 nodes with 20
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23.03.2016
, thermal throttling, HyperTransport bus, and others. One of the best sources of information about EDAC is the EDAC wiki.
Important Considerations for System Administration
Monitoring ECC errors
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14.01.2016
: https://en.wikipedia.org/wiki/NVM_Express
Intel P3700 SSD: http://www.newegg.com/Product/Product.aspx?Item=N82E16820167232&cm_re=Intel_P3700_SSD-_-20-167-232-_-Product
The Author
Jeff Layton has been in the HPC business
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19.11.2014
local or remote, in your browser using websocketd. Although I won't go into it in depth, Web-vmstat does a pretty good job monitoring problem servers. For example, if a node has been exhibiting strange
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07.10.2014
Jeff Layton ... ). Problems that crop up usually mean no X Window system or any other sort of GUI access to the server. Often, this also means that monitoring tools such as Ganglia [1] aren't giving you much or any information
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27.08.2014
of I/O, but it is also useful to look further down the stack to see how the I/O requests appear at the various layers. One layer that is useful to monitor is the block layer, which is near the bottom
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30.07.2014
like Fedora 20 or Ububtu 14.04 LTS. You can also find ready-made images for a virtualization solution like Docker. A simple docker graphite
search shows a number of Graphite images.
Of course, you can