SGE qhost command

• Introduction

• Options

• Examples
   

Introduction

The command qhost shows the current status of the available SGE hosts, queues and the jobs associated with the queues. Selection options allow you to get information about specific hosts, queues, jobs or users. If multiple selections are done a host is only displayed if all selection criteria for a host are met. Without any options qhost  will display a list of all hosts without queue or job information. With option -j  display jobs hosted by host(s)

qhost -j -h node16                       shown which jobs are running on the host or a set of hosts. 
qhost -h node23,node24                   show host info for multiple nodes
qhost -q -h node23,node24                host info plus queue info

It has the following syntax:

qhost [ -cb ] [ -F [resource_name,...] ] [ -help ] [ -h host_list ] [ -j ] [ -l resource=val,... ] [ -u user,... ] [ -xml ].

options

 [-cb]                      show topology based information (socket/core)
  [-F [resource_attribute]]  show (selected) resources
  [-h hostlist]              display only selected hosts
  [-help]                    print this help
  [-j]                       display jobs hosted by host
  [-l attr=val,...]          request the given resources
  [-q]                       display queues hosted by host
  [-u user[,user,...]]       show only jobs for user
  [-xml]                     display the information in XML-Format

Options

• -F  [ resource_name,...  ]  qhost  will present a detailed listing of the current resource availability per host with respect to all resources (if the option argument is omitted) or with respect to those resources contained in the resource_name list. Please refer to the description of the Full Format  in section OUTPUT FORMATS  below for further detail. 
   
• -cb  This command line switch can be used since Sun Grid Engine version 6.2u5 in combination with other qhost(1) command line switches. In that case the output of the corresponding command will contain information concerning the added job to core binding feature. If this switch is not used then the command behaves as in version 6.2u4 and previous versions. If this option is used then two additional columns will be shown for each displayed host in the output. The first is named NSOC and represents the number of available sockets on that host. The second additional column is named NCOR and it represents the number of cores that are available per socket on the corresponding machine.
   
• -help  Prints a listing of all options.
• -h host_list  Prints a list of all hosts contained in host_list.
• -j  Prints all jobs running on the queues hosted by the shown hosts. This switch calls -q  implicitly.
• -l resource[=value],... Defines the resources to be granted by the hosts which should be included in the host list output. Matching is performed on hosts based on non-mutable resource availability information only. That means load values are always ignored except the so-called static load values (i.e. "arch", "num_proc", "mem_total", "swap_total" and "virtual_total") ones. Also consumable utilization is ignored. If there are multiple -l resource requests they will be concatenated by a logical AND: a host needs to match all resources to be displayed.
• -q  Show information about the queues instances hosted by the displayed hosts.
• -u user,...  Display information only on those jobs and queues being associated with the users from the given user list.
• -xml  This option can be used with all other options and changes the output to XML. The used schemas are referenced in the XML output. The output is printed to stdout. If the -xml  parameter is combined with -cb  then the XML output will contain additional tags containing information about job to core binding. You can find schema files with the suffix "_cb" in the directory $SGE_ROOT/util/resources/schemas/qhost that describe that changes.

Examples

root@mysite17: # qhost -h mysite53
HOSTNAME                ARCH         NCPU  LOAD  MEMTOT  MEMUSE  SWAPTO  SWAPUS
-------------------------------------------------------------------------------
global                  -               -     -       -       -       -       -
mysite53                lx24-amd64     80  0.00  126.0G  319.7M   62.5G     0.0

qhost

HOSTNAME ARCH NCPU LOAD MEMTOT MEMUSE SWAPTO SWAPUS
-------------------------------------------------------------------------------
global - - - - - - -
mysite16 lx24-amd64 32 0.04 126.0G 538.8M 62.5G 0.0
mysite17 lx24-amd64 12 1.88 5.8G 522.0M 11.7G 204.0K
mysite52 lx24-amd64 12 0.03 47.2G 387.6M 49.1G 0.0
mysite53 lx24-amd64 80 38.80 126.0G 694.2M 62.5G 0.0
mysite54 lx24-amd64 80 24.88 126.0G 1.6G 62.5G 0.0
wx3481-ustc lx24-amd64 8 - 15.7G - 15.6G -

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Last modified: March 12, 2019