Michael: Created page with "===== Runtime Resource Usage Limits ===== Runtime limits are hard limits enforced by LSF. Kicks in if users allocated more resources than allowed Also covers users who don..."

2013-05-01T09:07:37Z

Created page with "===== Runtime Resource Usage Limits ===== Runtime limits are hard limits enforced by LSF. Kicks in if users allocated more resources than allowed Also covers users who don..."

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===== Runtime Resource Usage Limits =====
Runtime limits are hard limits enforced by LSF.

Kicks in if users allocated more resources than allowed

Also covers users who dont bother inputting anything in to the bsub script.

Edit files in CFM:
<syntaxhighlight>
/etc/cfm/templates/lsf
</syntaxhighlight>

===== Show any runtime limits =====
<syntaxhighlight>
bqueues -l normal
</syntaxhighlight>

===== Set runtime limits =====
Edit files lsb.queues and/or lsb.applications, and enable memlimit in the lsf.conf file:

<syntaxhighlight>
Update: PCM 3.2: /opt/lsf/conf/lsf.conf
File: /etc/cfm/templates/opt/lsf/conf/lsf.conf

# Local alterations
#LSB_JOB_MEMLIMIT=Y
LSB_MEMLIMIT_ENFORCE=Y
LSF_UNIT_FOR_LIMITS=MB
</syntaxhighlight>

<syntaxhighlight>

Update: PCM 3.2: /opt/lsf/conf/lsbatch/[cluster_name1]/configdir/lsb.queues
File: /etc/cfm/templates/lsf/conf/lsbatch/[cluster_name1]/configdir/lsb.queues

Begin Queue
QUEUE_NAME = normal
PRIORITY = 30
NICE = 20
MEMLIMIT = 1024 # 1MB in KB: default is KB
# Memlimit can take two args, one for default mem limit and one for max limit
MEMLIMIT = default_limit max_limit
BACKFILL = Y
...
DESCRIPTION = For normal low priority jobs, running only if hosts are \
lightly loaded.
End Queue
</syntaxhighlight>

===== Restart LSF =====
<syntaxhighlight>
addhost -u
badmin hrestart all (then y)
</syntaxhighlight>

===== Faster checks for jobs exceeding limits =====
<syntaxhighlight>
Play with the SBD_SLEEP_TIME parameter (lsb.params)
</syntaxhighlight>

Runtime Resource Usage Limits - Revision history

Michael: Created page with "===== Runtime Resource Usage Limits ===== Runtime limits are hard limits enforced by LSF. Kicks in if users allocated more resources than allowed Also covers users who don..."