Platform LSF Administration Guide Version 6.2

Chapter 18
Resource Allocation Limits
Administering Platform LSF
339
Viewing Information about Resource Allocation Limits
Your job may be pending because some configured resource allocation limit has been
reached. Use the
blimits command to show the dynamic counters of resource
allocation limits configured in Limit sections in
lsb.resources. blimits displays
the current resource usage to show what limits may be blocking your job.
blimits command
The blimits command displays:
◆ Configured limit policy name
◆ Users (-u option)
◆ Queues (-q option)
◆ Hosts (-m option)
◆ Project names (-p option)
◆ All resource configurations in lsb.resources (-c option). This is the same as
bresources with no options.
Resources that have no configured limits or no limit usage are indicated by a dash (
-).
Limits are displayed in a USED/LIMIT format. For example, if a limit of 10 slots is
configured and 3 slots are in use, then
blimits displays the limit for SLOTS as 3/10.
If limits MEM, SWP, or TMP are configured as percentages, both the limit and the
amount used are displayed in MB. For example,
lshosts displays maxmem of 249 MB,
and MEM is limited to 10% of available memory. If 10 MB out of are used,
blimits
displays the limit for MEM as 10/25 (10 MB USED from a 25 MB LIMIT).
Configured limits and resource usage for built-in resources (slots, mem, tmp, and swp
load indices) are displayed as INTERNAL RESOURCE LIMITS separately from
custom external resources, which are shown as EXTERNAL RESOURCE LIMITS.
Limits are displayed for both the vertical tabular format and the horizontal format for
Limit sections. Since a vertical format Limit section has no name,
blimits displays
NONAMEnnn under the NAME column for these limits, where the unnamed limits are
numbered in the order the vertical-format Limit sections appear in the
lsb.resources file.
If a resource consumer is configured as
all, the limit usage for that consumer is
indicated by a dash (
-).
PER_HOST slot limits are not displayed. The
bhosts commands displays these as
MXJ limits.
In MultiCluster,
blimits returns the information about all limits in the local cluster.
Examples
For the following limit definitions:
Begin Limit
NAME = limit1
USERS = user1
PER_QUEUE = all
PER_HOST = hostA hostC
TMP = 30%