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work_queue_status(1) Cooperative Computing Tools work_queue_status(1)


work_queue_status - display status of currently running Work Queue applications.


work_queue_status [options] [master] [port]


work_queue_status displays the status of currently running Work Queue applications. When run with no options, it queries the global catalog server to list the currently running Work Queue masters. When given an address and a port, it queries a master directly to obtain more detailed information about tasks and workers.

  • Hostname and port number of the application.
  • Number of waiting tasks.
  • Number of completed tasks.
  • Number of connected workers.
  • Number of tasks currently being executed.
  • Timestamp of when there was last communication with the application.


 --where <expr>
Show only Work Queue masters matching this expression.
 -Q, --statistics
Show summary information about queues. (default)
 -M, --project-name=<name>
Filter results of -Q for masters matching <name>.
 -W, --workers
Show details of all workers connected to the master.
 -T, --tasks
Show details of all tasks in the queue.
 -A, --able-workers
List categories of the given master, size of largest task, and workers that can run it.
 -R, --resources
Show available resources for each master.
Show resource capacities for each master.
 -l, --verbose
Long output.
-C, --catalog=<catalog>
Set catalog server to <catalog>. Format: HOSTNAME:PORT
-d, --debug=<flag>
Enable debugging for the given subsystem. Try -d all as a start.
-t, --timeout=<time>
RPC timeout (default=300s).
-o, --debug-file=<file>
Send debugging to this file. (can also be :stderr, :stdout, :syslog, or :journal)
-O, --debug-rotate-max=<bytes>
Rotate debug file once it reaches this size.
 -v, --version
Show work_queue_status version.
 -h, --help
Show this help message.


Without arguments, work_queue_status shows a summary of all of the projects currently reporting to the default catalog server. Waiting, running, and complete columns refer to number of tasks:

$ work_queue_status
shrimp        9001     963      37        2      33
crustacea        9000       0    2310    32084     700

With the -R option, a summary of the resources available to each master is shown:

$ work_queue_status -R
MASTER                         CORES      MEMORY          DISK
shrimp                         228        279300          932512
crustacea                      4200       4136784         9049985

With the --capacity option, a summary of the resource capacities for each master is shown:

$ work_queue_status --capacity
MASTER                         TASKS      CORES      MEMORY          DISK
refine                         ???        ???        ???             ???
shrimp                         99120      99120      781362960       1307691584
crustacea                      318911     318911     326564864       326564864

Use the -W option to list the workers connected to a particular master. Completed and running columns refer to numbers of tasks:

$ work_queue_status -W 9001
HOST                     ADDRESS          COMPLETED RUNNING         0 4         0 0         4 4         4 4
cclvm03.virtual.crc.nd.e         0 0

With the -T option, a list of all the tasks submitted to the queue is shown:

$ work_queue_status -T 9001
ID       STATE    PRIORITY HOST                     COMMAND
1000     WAITING         0 ???                      ./rmapper-cs -M fast -M 50bp 1
999      WAITING         0 ???                      ./rmapper-cs -M fast -M 50bp 1
21       running         0     ./rmapper-cs -M fast -M 50bp 3
20       running         0     ./rmapper-cs -M fast -M 50bp 2
19       running         0     ./rmapper-cs -M fast -M 50bp 2
18       running         0     ./rmapper-cs -M fast -M 50bp 2

The -A option shows a summary of the resources observed per task category.

$ work_queue_status -T 9001
analysis            216        784           54          4      ~1011      ~3502
merge                20         92           30         ~1      ~4021      21318
default               1         25           54         >1       ~503       >243

With the -A option:

  • Running and waiting correspond to number of tasks in the category.
  • Fit-workers shows the number of connected workers able to run the largest task in the category.
  • max-cores, max-memory, and max-disk show the corresponding largest value in the category.

    The value may have the following prefixes:

  • No prefix. The maximum value was manually specified.
  • ~ All the task have run with at most this quantity of resources.
  • > There is at least one task that has used more than this quantity of resources, but the maximum remains unknown.

    Finally, the -l option shows statistics of the queue in a JSON object:

$ work_queue_status -l 9001


On success, returns zero. On failure, returns non-zero.


The Cooperative Computing Tools are Copyright (C) 2005-2019 The University of Notre Dame. This software is distributed under the GNU General Public License. See the file COPYING for details.


CCTools 7.1.2 FINAL