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shell_based_monitoring [2015/12/03 13:37]
meesters created
shell_based_monitoring [2016/06/06 08:47]
meesters [IO Statistics]
Line 65: Line 65:
 lsof -u <​username>​ -i lsof -u <​username>​ -i
 </​code>​ </​code>​
 +===== IO Statistics =====
 +I/O Statistics is a little intricate in conjunction with parallel file systems. If you have the need to retrieve detailed I/O statistics for the parallel file system, please do not hesitate to contact the HPC-team.
 +Hoever, ''​iostat''​ is simple tool that will collect and show system input and output storage device statistics. This tool is often used to trace storage device performance issues including devices, local disks, remote disks. It is particularly useful if your job requires local scratch storage and you need to monitor your applicatoin working on it.
 +Invoke ​
 +<code bash>
 +iostat -d
 +for such a statistic.
 +===== Perf - Linux profiling with performance counters ​ =====
 +[[https://​​index.php/​Main_Page|perf]] is a versatile and complex command line tool for performance profiling. A well written list of examples can be found [[http://​​perf.html|here]].