Platform LSF Reference Version 6.2

Host Section
Platform LSF Reference
356
MXJ
Description
The number of job slots on the host.
With MultiCluster resource leasing model, this is the number of job slots on the host
that are available to the local cluster.
Use “!” to make the number of job slots equal to the number of CPUs on a host.
For the reserved host name
default, “!” makes the number of job slots equal to the
number of CPUs on all hosts in the cluster not otherwise referenced in the section.
By default, the number of running and suspended jobs on a host cannot exceed the
number of job slots. If preemptive scheduling is used, the suspended jobs are not
counted as using a job slot.
On multiprocessor hosts, to fully use the CPU resource, make the number of job slots
equal to or greater than the number of processors.
Default
Unlimited
load_index
Syntax load_index
loadSched[/loadStop]
Specify io, it, ls, mem, pg, r15s, r1m, r15m, swp, tmp, ut, or a non-shared custom
external load index as a column. Specify multiple columns to configure thresholds for
multiple load indices.
Description
Scheduling and suspending thresholds for dynamic load indices supported by LIM,
including external load indices.
Each load index column must contain either the default entry or two numbers separated
by a slash ‘/’, with no white space. The first number is the scheduling threshold for the
load index; the second number is the suspending threshold.
Queue-level scheduling and suspending thresholds are defined in
lsb.queues. If both
files specify thresholds for an index, those that apply are the most restrictive ones.
Example HOST_NAME mem swp
hostA 100/10 200/30
This example translates into a loadSched condition of
mem>=100 && swp>=200
and a loadStop condition of
mem < 10 || swp < 30
Default
Undefined
Example of a Host Section
Begin Host
HOST_NAME MXJ JL/U r1m pg DISPATCH_WINDOW
hostA 1 - 0.6/1.6 10/20 (5:19:00-1:8:30 20:00-8:30)
SUNSOL 1 - 0.5/2.5 - 23:00-8:00
default 2 1 0.6/1.6 20/40 ()
End Host