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20.04.2017
to understand what’s going on with your storage, even on your desktop or laptop.
Studies of Data Age
A few years ago, a study from the University of California, Santa Cruz, and NetApp examined CIFS storage
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10.10.2022
A good online article lists 20 logs you might find on your system.
Some specific logs are:
syslog
(system log information)
kern.log
(kernel logs)
dmesg
(daily message information for the
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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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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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14.09.2021
: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_ts
c cpuid extd_apicid aperfmperf pni pclmulqdq monitor
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22.05.2012
The Warewulf stateless cluster tool is scalable and highly configurable and eases installation, management, and monitoring of HPC clusters.
...
A plethora of cluster tools are out there to help people get started provisioning, managing, and monitoring HPC clusters. One of the best approaches is to use stateless compute nodes, commonly ...
The Warewulf stateless cluster tool is scalable and highly configurable, and it eases the installation, management, and monitoring of HPC clusters.
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12.03.2013
Previously we talked about using iostat to monitor local storage on your server or compute nodes, but what if you use NFS in your compute nodes to run jobs? The nfsiostat tool can help you ...
In my last article, Monitoring Storage Devices with iostat, I wrote about using iostat to monitor the local storage devices in servers or compute nodes. The iostat tool is part of the sysstat family ...
Previously we talked about using iostat to monitor local storage on your server or compute nodes, but what if you use NFS in your compute nodes to run jobs? The nfsiostat tool can help you ... Monitoring NFS Storage with nfsiostat ... Monitoring Client NFS Storage with nfsiostat
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02.07.2014
examining local I/O (if the nodes are doing local I/O)
checking whether any nodes are swapping
spot-monitoring the compute nodes
The real list of possible tasks is extensive, but anything you want
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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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17.07.2013
confusion when you’re ready to download, but in general, the 0.20.X branch is version 1, and the 0.23.X branch is version 2.
To understand what YARN is and why it is needed, some background on Hadoop may