Changes between Version 8 and Version 9 of UserGuidelines


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Timestamp:
Oct 11, 2013 2:51:47 PM (10 years ago)
Author:
sunshine
Comment:

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  • UserGuidelines

    v8 v9  
    88        * DO use addresses of experimental interfaces. These can be from any IPv4 address range, depending on your NS file, but are often from 10.10.x.x address range.
    99 * DON'T store large files in your home or project directory unless you need them in multiple experiment instances.
    10    * DO store these files locally on a node, e.g., in {{{/tmp}}} folder. If you need more disk space you can mount more by doing
     10   * DO store these files locally on a node, e.g., in {{{/tmp}}} folder. If you need more disk space you can mount more to {{{/mnt/local}}} by doing
    1111     {{{
    1212sudo /usr/local/etc/emulab/mkextrafs.pl /mnt
     
    1414sudo chown $user /mnt/local
    1515}}}
    16 
    17 Traffic from experimental nodes to/from your home directory also travels over the control network (read more about this in the next section). To minimize this load please refrain from performing large (> 500 MB) or frequent (< 10 s) reads/writes that involve your experimental nodes and your home directory, unless absolutely necessary. If you need to log something, use a local directory on an experimental node, such as /tmp, and transfer the logs to your home directory before you swap out to save them.
     16 * DON'T perform large (> 500 MB) or frequent (< 10 s) reads/writes on your experimental nodes into your home or project directory
     17  * DO use a local directory on an experimental node, such as {{{/tmp}}} or {{{/mnt/local}}}, and transfer the logs to your home directory before you swap out to save them.
     18 * DON'T compile large files or run CPU intensive jobs on {{{users.deterlab.net}}}. Allocate experimental nodes, store files locally and compile/run jobs there.