focal (1) qhost.1.gz

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NAME

       qhost - show the status of Grid Engine hosts, queues, jobs

SYNTAX

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

DESCRIPTION

       qhost shows the current status of the available Grid Engine 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.

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.

       -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  listed  in
              load_parameters(5).   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.

       -ncb   This  command  line switch can be used in order to get 6.2u5 compatible output with other qhost(1)
              command line switches. In that  case  the  output  of  the  corresponding  command  will  suppress
              information  concerning  the execution host topology. Note that this option will be removed in the
              next major version.

       -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 -ncb then the XML  output  will  contain  6.2u5  compatible
              output.

OUTPUT FORMATS

       Depending  on  the  presence  or  absence  of  the -q or -F and -j option three output formats need to be
       differentiated.

   Default Format (without -q, -F and -j)
       For each host one line is printed. The output consists of consisting of

       •  the Hostname

       •  the Architecture.

       •  the  Number of processors.

       •  the Load.

       •  the Total Memory.

       •  the Used Memory.

       •  the Total Swapspace.

       •  the Used Swapspace.

       More details can be found in load_parameters(5).

       If the -q option is supplied, each host status line also contains extra lines for every queue  hosted  by
       the host consisting of,

       •  the queue name,

       •  the queue type - one of B(atch), I(nteractive), or a combination thereof,

       •  the  number  of  reserved  (by  advance  reservation,  not  resource reservation), used and, available
          (according to the queue's slots parameter) job slots,

       •  the state of the queue - one  of  u(nknown),  a(larm),  A(larm),  C(alendar  suspended),  s(uspended),
          S(ubordinate),  d(isabled),  D(isabled), E(rror), (c)configuration ambiguous, (o)rphaned, (P)reempted,
          or some combinations thereof.  See section "Full Format" in qstat(1) for  explanation  of  the  status
          flags.

       If  the  -F option was used, resource availability information is printed following the host status line.
       For each resource (as selected in an option argument to -F or for all resources if  the  option  argument
       was omitted) a single line is displayed with the following format:

       •  a  one  letter  specifier  indicating whether the current resource availability value was dominated by
          either
          `g' - a cluster global,
          `h' - a host total or

       •  a second one letter specifier indicating the source for the current resource availability value, being
          one of
          `l' - a load value reported for the resource,
          `L' - a load value for the resource after administrator defined load scaling has been applied,
          `c' - availability derived from the consumable resources facility (see complexes(5)),
          `f'  -  a  fixed  availability  definition  derived from a non-consumable complex attribute or a fixed
          resource limit.

       •  after a colon the name of the resource on which information is displayed.

       •  after an equal sign the current resource availability value.

       The displayed availability values and the sources from which they derive are always the minimum values of
       all  possible  combinations. Hence, for example, a line of the form "qf:h_vmem=4G" indicates that a queue
       currently has a maximum availability in virtual memory of 4 Gigabyte, where this value is a  fixed  value
       (e.g.  a resource limit in the queue configuration) and it is queue dominated, i.e. the host in total may
       have more virtual memory available than this, but the queue doesn't allow for  more.  Contrarily  a  line
       "hl:h_vmem=4G"  would  also  indicate  an  upper bound of 4 Gigabyte virtual memory availability, but the
       limit would be derived from a load value currently reported for the host. So while the queue might  allow
       for  jobs  with  higher  virtual  memory  requirements,  the  host on which this particular queue resides
       currently only has 4 Gigabyte available.

       After the queue status line (in case of -j) a single line is printed for each job  running  currently  in
       this queue. Each job status line contains

       •  the job ID,

       •  the job name,

       •  the job owner name,

       •  the  status  of  the  job  - one of t(ransfering), r(unning), R(estarted), s(uspended), S(uspended) or
          T(hreshold) (see the Reduced Format section for detailed information),

       •  the start date and time and the function of the job (MASTER or SLAVE - only meaningful in  case  of  a
          parallel job) and

       •  the priority of the jobs.

ENVIRONMENT VARIABLES

       SGE_ROOT       Specifies the location of the Grid Engine standard configuration files.

       SGE_CELL       If  set,  specifies the default Grid Engine cell. To address a Grid Engine cell qhost uses
                      (in the order of precedence):

                             The name of the cell specified in the environment variable SGE_CELL, if it is set.

                             The name of the default cell, i.e. default.

       SGE_DEBUG_LEVEL
                      If set, specifies that debug information should be written  to  stderr.  In  addition  the
                      level of detail in which debug information is generated is defined.

       SGE_QMASTER_PORT
                      If  set,  specifies  the  tcp  port  on  which  sge_qmaster(8)  is  expected to listen for
                      communication requests.  Most installations will use a services map entry for the  service
                      "sge_qmaster" instead to define that port.

FILES

       <sge_root>/<cell>/common/act_qmaster
                       Grid Engine master host file

SEE ALSO

       sge_intro(1),   qalter(1),   qconf(1),   qhold(1),   qmod(1),   qstat(1),   qsub(1),  load_parameters(5),
       queue_conf(5), sge_execd(8), sge_qmaster(8), sge_shepherd(8).

       See sge_intro(1) for a full statement of rights and permissions.