Processes (Jobs) (Tools/APIs)
Background Information
A CPU process is an instance of an InterSystems IRIS® data platform virtual machine running on an InterSystems IRIS server. Every active process has a unique job number. You typically use the Management Portal to view the process list and, if necessary, suspend, resume, or terminate them; see Controlling InterSystems IRIS Processes.
Within productions, a CPU process is called a job, to avoid confusion with the term business processes, which are frequently referred to simply as processes.
Available Tools
This structured system variable returns information about processes.
Availability: All namespaces.
Allows manipulation and display of the current process. This class provides class methods like the following:
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BatchFlag()
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CallingRoutine()
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ExceptionLog()
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GetCPUTime()
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NodeNameInPid()
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PrivateGlobalLocation()
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TruncateOverflow()
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And others
Some of the class methods have restrictions on where they may be called.
Availability: All namespaces.
Provides the following class methods:
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ProcessID()
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MaxLocalLength()
Availability: All namespaces.
Provides the following class methods:
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JobPrio()
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GetPrio()
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SetPrio()
Availability: All namespaces.
Enables you to display and manipulate InterSystems IRIS processes. This class provides properties that you can set to modify a process, as well as read-only properties that provide information about its current state. Properties of this class include:
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ClientExecutableName
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CurrentDevice
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JobType
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LastGlobalReference
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Priority
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Routine
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UserName
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And others
It also provides the following class methods:
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GetCPUTime()
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KillAllPrivateGlobals()
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NextProcess()
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And others
It also provides queries, which include:
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AllFields()
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CONTROLPANEL()
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JOBEXAM()
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And others
Availability: All namespaces.
Provides instance methods which operate on a process instance as well as class methods for use by managers. This class provides the following methods:
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ProcessTableSize()
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ReleaseAllLocks()
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Resume()
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Suspend()
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Terminate()
This class extends %SYS.ProcessQueryOpens in a new tab and thus also includes the properties, methods, and queries of that class.
Availability: %SYS namespace.
Note
The special variable $SYSTEM is bound to the %SYSTEM package. This means that instead of ##class(%SYSTEM.class).method(), you can use $SYSTEM.class.method().
