Why does APM report a different value for Active Threads compared to jvisualvm?

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Article ID: 19553

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Updated On:

Products

CA Application Performance Management Agent (APM / Wily / Introscope) INTROSCOPE

Issue/Introduction

Description:

In the jvisualvm the number of live/active threads always shows as a much higher value than is reported in the Investigator - as you can see from the screen shots below.

jvisualvm is reporting 69-72 threads:

<Please see attached file for image>

Figure 1

where as the APM Investigator is showing 40:

<Please see attached file for image>

Figure 2

Solution:

The thread count in APM does not include the agent and system threads, thus the APM thread count will always be lower than that reported by jconsole / jvisualvm.

Environment

Release:
Component: APMAGT

Attachments

1558718170192000019553_sktwi1f5rjvs16uts.gif get_app
1558718168067000019553_sktwi1f5rjvs16utr.gif get_app