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Background documentation Java Application Response Time Measurement (JARM) Locate the document in its SAP Library structure

The Java Application Response Time Measurement (JARM) is a method for collecting response time data from Java applications. The JARM properties are available in the Properties tab of the Application Tracing Service.

Server

Property

Description

Default Value

jarm/comp/level

Sets the general component monitor level. At the beginning of a request, jarm/comp/level is used to set the monitor level. This avoids the mismatching of start- and endComponent pairs that may be caused by a change of the parameter. The components are treated only if their monitor level is less than or equal to the level of the request.

Three different levels are provided: 0, 1, 2.

0

jarm/comp/properties/get/switch

Switches the reading of component specific properties on and off. The parameter is checked when a request or component overview is returned. If it is switched off, all component specific properties are ignored.

on

jarm/comp/properties/set/switch

Switches the collection of component specific properties on and off. When a new request is started, this parameter is checked. If it is switched off, all component-specific properties are ignored. Additionally, the parameter is checked when requests are condensed.

on

jarm/comp/trace/level

Sets the general component trace level. If Single Activity Trace (SAT) is on, the default component level is specified by this property. If monitoring and tracing are done, the most detailed component level specified by jarm/comp/level and jarm/comp/trace/level properties is used. After the execution of components has started, the component level is fixed for the request. This avoids the mismatching of start- and endComponent pairs that a change of the parameter may cause. The components are treated only if their monitor level is less than or equal to the level of the request.

Three different levels are provided: 0, 1, 2.

1

jarm/log/dir

Sets the directory where the log file jarm.log is written to.

When you specify the log directory on Windows platforms, use ‘\\’ or ‘/’ instead of ‘\’ as the path separator.

default

jarm/log/level

Defines how much information is written to the log file. Possible values are: 0, 1, 2. The higher the level, the more information is written to the log file.

0

jarm/maxreqcomphigh

If this number is exceeded, the next startComponent() or endRequest() call will end the request. Subsequent calls to the closed monitor object will be skipped.

2600

jarm/maxreqcomplow

If this number is exceeded, the next endRequest() call will finish the request even if the name does not match. A subsequent getRequestMonitor() call will then get a new monitor object. Calls using the old object will be skipped.

2500

jarm/switch

Switches the monitoring on and off.

All properties described in this document are only valid if the monitoring is on (except the trace parameters).

on

jarm/tracemode/switch

Switches the Single Activity Trace on and off. Trace data can be obtained only if this property is on.

on

jarm/version

This parameter may not be set. The retrieval is done by the getProperties().

The format is: x.y.z (for example, 2.1.0).

 

 

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