Werk #4718: Fixed memory leak in Check_MK check helpers when started in verbose mode

Component Core & setup
Title Fixed memory leak in Check_MK check helpers when started in verbose mode
Date May 16, 2017
Checkmk Edition Checkmk Enterprise (CEE)
Checkmk Version 1.4.0b8 1.5.0i1
Level Prominent Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

When the Check_MK helpers are configured with a higher log level than the default Notice log level the Check_MK helpers were leaking memory. This can be configured by changing the option "Check_MK check helpers" of the global setting "Logging of the core" to e.g. Informational.

In this mode the helper gathers information about some changed variables during runtime and the memory usage. It also allows to debug different mechanics of the helpers.

If you enabled this, each reload of the core (not restart) was triggering the memory leak in the helpers. In extreme situations this could lead to duplication of the memory usage on each reload.

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