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https://issues.apache.org/jira/browse/MESOS-6832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gavin updated MESOS-6832:
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Comment: was deleted
(was: www.rtat.net)
> Review how Mesos handles loading and unloading of dynamic libraries
> -------------------------------------------------------------------
>
> Key: MESOS-6832
> URL: https://issues.apache.org/jira/browse/MESOS-6832
> Project: Mesos
> Issue Type: Improvement
> Components: cmake, gpu, java api, modules
> Affects Versions: 1.2.0
> Reporter: Joseph Wu
> Priority: Major
> Labels: mesosphere
>
> There are three instances in the codebase where we load a dynamic library
> into a static variable and leak said variable on purpose:
> * https://github.com/apache/mesos/blob/1.1.x/src/jvm/jvm.cpp#L83
> *
> https://github.com/apache/mesos/blob/1.1.x/src/slave/containerizer/mesos/isolators/gpu/nvml.cpp#L78
> * https://github.com/apache/mesos/blob/1.1.x/src/module/manager.hpp#L181
> ^ This last one will be changed to leak as part of MESOS-6658
> Since the dynamic libraries are loaded into static variables, they will only
> be destructed when the library (i.e. libmesos) gets unloaded. This might lead
> to inconsistencies when libmesos's own destruction unloads e.g., a dynamic
> libprocess, which might be opened by a {{dlopen}} of a module. The module's
> cleanup would not find libprocess anymore and potentially crash during
> unloading.
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