Ivan Daschinskiy created IGNITE-9658:
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             Summary: Add ability to disable memory deallocation on 
deactivation.
                 Key: IGNITE-9658
                 URL: https://issues.apache.org/jira/browse/IGNITE-9658
             Project: Ignite
          Issue Type: Improvement
            Reporter: Ivan Daschinskiy
            Assignee: Ivan Daschinskiy
             Fix For: 2.8


Currently, in some systems (i.e. RHEL 7.4), we can see, that during massive 
UNSAFE.freeMemory process freezes. This behaviour can lead to SEGMENTATION of 
node, especcially when ZookeeperDiscoverySPI is used. There should be an 
abillity to disable memory deallocation during deactivation of cluster.



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