Jenkins Performance Issue Due to External Resource


Jenkins experiences a performance degradation or hangs.

Analysis of the thread-dump.txt or slow request files from a Support Bundle, or full thread dumps generated by (Linux), or getThreadDumps.bat (Windows) shows one or more threads with a thread stack in socketRead() to an external resource as shown in the following snippets:

16019msec elapsed in Handling GET /jenkins/job/xxxxxxx/xxxxx/ from Method)

  "Connecting to ldap:// : Handling GET / from" 
java.lang.Thread.State: RUNNABLE
at Method)

# Resolution

The issue is not caused by Jenkins. The specific external resource that Jenkins is expecting a response from
should be investigated to confirm that it responds to the request in an acceptable amount of time.

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