Dynatrace Monitor Shows Drops in Apache HTTPD Threads

Solution Unverified - Updated -

Issue

Dynatrace monitoring system shows an abrupt drop in the number of busy threads from time to time. There is no evidence of errors in Apache or the operating system logs, and the end user reports no instability when this occurs.

Environment

  • Red Hat Enterprise Linux 6.x
  • Apache HTTPD 2.2
  • Apache HTTPD 2.4

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