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Starting jobs on different servers using process classes for remote execution
- JobScheduler can execute jobs on different servers.
- Such jobs can be distributed in a way that within one job chain the respective jobs are executed on different servers.
Example
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A job chain contains 3 jobs, i.e. TaskB1, TaskB2, TaskB3.
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A user wants to configure
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TaskB1
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to be executed on
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server ServerA (localhost), TaskB2
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to be executed on server ServerB (Windows) and TaskB3 on server ServerC (Linux).
JobScheduler can execute jobs on remote JobScheduler
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instances, by JobScheduler Agents or
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by SSH.
In this example JobScheduler will execute jobs on remote JobScheduler instances using a process class.
- A JobScheduler process
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- class is
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- similar to a connection configuration where the remote JobScheduler's host name and port number
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- are defined.
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- With that process
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- class
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- being defined
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- jobs can be configured to use the process
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- class
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- for remote execution.
- JobScheduler will excute
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- jobs on the remote
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- JobScheduler instance and that instance will report back the status and
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- the log to the local JobScheduler.
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Diagram of
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Job Chain
Job: JobB1
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<?xml version="1.0" encoding="ISO-8859-1"?> <job order="yes" stop_on_error="no" title="TaskB1 ServerA (Windows)" process_class="ServerA"> <script language="shell"> <><![CDATA[ @echo off echo here is job %SCHEDULER_JOB_NAME% set /a number=%random% %%30 +1 echo "%SCHEDULER_JOB_NAME% :sleeping for %number% seconds....." set computername set os ping 127.0.0.1 -n %number% > nul ]]> <></script> <run_time /> </job> |
Process
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Class: ServerA
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<?xml version="1.0" encoding="ISO-8859-1"?> <process_class max_processes="10" remote_scheduler="8of9:4441"/> |
See also:
- Our Job Chains article, which provides a good introduction to the subject of Job Chain configuration.
- The documentation for our SOSSSHJob2JSAdapter Template Job.