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Running the OpenQuake Engine

The OpenQuake Engine can be run via a command line interface or a WebUI. For the WebUI have a look to its documentation.

Running via command line interface (CLI)

The OpenQuake Engine command line tool is oq. To run a calculation the command oq engine must be run.

There are several demo calculations included with the package. Depending on the installation they are located in /usr/share/openquake/engine/demos. or ~/openquake/share/engine/demos/or just oq-engine/demos in the source repository.

An example of running the AreaSourceClassicalPSHA demo:

[user@centos7 ~]$ oq engine --run /usr/share/openquake/engine/demos/hazard/AreaSourceClassicalPSHA/job.ini

The output should look something like this:

[2016-06-14 16:47:35,202 #2 INFO] Using engine version 2
[2016-06-14 16:47:35,333 #2 INFO] Read 528 hazard site(s)
[2016-06-14 16:47:35,386 #2 INFO] Parsed 1 sources from /usr/share/openquake/engine/demos/hazard/AreaSourceClassicalPSHA/source_model.xml
[2016-06-14 16:47:35,491 #2 INFO] Processed source model 1/1 with 1 gsim path(s)
[2016-06-14 16:47:35,546 #2 WARNING] Reducing the logic tree of source_model.xml from 1 to 0 realizations
[2016-06-14 16:47:35,597 #2 INFO] Instantiated SourceManager with maxweight=5.5
[2016-06-14 16:47:35,647 #2 INFO] Filtering light sources
[2016-06-14 16:47:35,694 #2 INFO] Filtering heavy sources
[2016-06-14 16:47:35,743 #2 INFO] splitting <AreaSource 1> of weight 41.0
[2016-06-14 16:47:35,856 #2 INFO] Submitting task classical #1
[2016-06-14 16:47:35,916 #2 INFO] Submitting task classical #2
[2016-06-14 16:47:35,966 #2 INFO] Submitting task classical #3
[2016-06-14 16:47:36,016 #2 INFO] Submitting task classical #4
[2016-06-14 16:47:36,076 #2 INFO] Submitting task classical #5
[2016-06-14 16:47:36,125 #2 INFO] Submitting task classical #6
[2016-06-14 16:47:36,179 #2 INFO] Submitting task classical #7
[2016-06-14 16:47:36,229 #2 INFO] Submitting task classical #8
[2016-06-14 16:47:36,284 #2 INFO] Sent 205 sources in 8 block(s)
[2016-06-14 16:47:36,360 #2 INFO] Sent 167.14 KB of data in 8 task(s)
[2016-06-14 16:47:43,515 #2 INFO] classical  12%
[2016-06-14 16:47:43,813 #2 INFO] classical  25%
[2016-06-14 16:47:44,170 #2 INFO] classical  37%
[2016-06-14 16:47:44,801 #2 INFO] classical  50%
[2016-06-14 16:47:49,680 #2 INFO] classical  62%
[2016-06-14 16:47:51,829 #2 INFO] classical  75%
[2016-06-14 16:47:51,949 #2 INFO] classical  87%
[2016-06-14 16:47:52,055 #2 INFO] classical 100%
[2016-06-14 16:47:52,110 #2 INFO] Received 6.67 MB of data, maximum per task 853.96 KB
[2016-06-14 16:47:59,660 #2 INFO] Calculation 2 finished correctly in 24 seconds
  id | name
   1 | hcurves
   2 | hmaps
   3 | uhs

To interrupt a running calculation simply press CTRL-C.

More commands

For a list of additional commands, type oq engine --help.

Running via SSH

When the OpenQuake Engine is driven via the oq command over an SSH connection an associated terminal must exist throughout the oq calculation lifecycle.

To avoid the openquake.engine.engine.MasterKilled: The openquake master lost its controlling terminal error you must make sure that a terminal is always associated with the oq process.

Non-interactive use

For non-interactive jobs run in batch we suggest the use of nohup which is part of every Unix like OS:

[user@centos7 ~]$ nohup oq engine --run /usr/share/openquake/engine/demos/hazard/AreaSourceClassicalPSHA/job.ini &> /tmp/calc.log &

More info about nohup: https://en.wikipedia.org/wiki/Nohup.

Interactive use

For an interactive use of oq we suggest to install byobu on the target server and use it to run oq.

More info about byobu: http://byobu.co/.

Getting help

If you need help or have questions/comments/feedback for us, you can: