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<p class="MsoNormal"><span lang="EN-US">Hi, <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I’ve been trying to modify the select_cons_res plugin to take into account the free memory on a job, more context on the mailing list
<a href="https://groups.google.com/forum/#!topic/slurm-users/tpn7dev4GEU">here</a>. I figured I need to edit the definition of “free_mem”
<a href="https://github.com/SchedMD/slurm/blob/master/src/plugins/select/cons_res/job_test.c#L853">
here</a> and subtract the actual free memory on the node instead of the allocated one.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">So I’ve been searching the whole source code trying to understand how the node’s usage is calculated/passed to the “_verify_node_state” function, or anywhere actually. The goal is only to edit the plugin, I was hoping
to do so without modifying slurmctld, in order to use the free memory on the node.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I figured I need to add the mem_free variable to the node usage structure, but I really don’t get how the structure is being filled up with the actual resource usage.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Could you give me a little help and guide me towards the resolution
</span><span lang="EN-US" style="font-size:10.0pt"> ?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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