Revision 1928a56b hspace.1

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2560,102400,2=20 512,102400,2=21\fR.
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.TP
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.I KM_USED_CPU, KM_USED_MEM, KM_USED_DSK
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These represents the metrics of used resources at the start of the
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computation (only for tiered allocation mode).
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.TP
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.I KM_POOL_CPU, KM_POOL_MEM, KM_POOL_DSK
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These represents the total resources allocated during the tiered
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allocation process. In effect, they represent how much is readily
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available for allocation.
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.TP
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.I KM_UNAV_CPU, KM_UNAV_MEM, KM_UNAV_DSK
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These represents the resources left over (either free as in
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unallocable or allocable on their own) after the tiered allocation has
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been completed. They represent better the actual unallocable
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resources, because some other resource has been exhausted. For
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example, the cluster might still have 100GiB disk free, but with no
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memory left for instances, we cannot allocate another instance, so in
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effect the disk space is unallocable. Note that the CPUs here
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represent instance virtual CPUs, and in case the \fI--max-cpu\fR
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option hasn't been specified this will be -1.
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.TP
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.I ALLOC_USAGE
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The current usage represented as initial number of instances divided
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per final number of instances.

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