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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-2275) Hadoop: restore external code execution.
Date Fri, 25 Dec 2015 09:54:49 GMT
Vladimir Ozerov created IGNITE-2275:

             Summary: Hadoop: restore external code execution.
                 Key: IGNITE-2275
                 URL: https://issues.apache.org/jira/browse/IGNITE-2275
             Project: Ignite
          Issue Type: Task
          Components: hadoop
    Affects Versions: ignite-1.4
            Reporter: Vladimir Ozerov
            Priority: Critical
             Fix For: 1.6

Several major problems with internal job execution were revealed:
1) Native code cannot run normally.
2) Excessive permgen allocations
3) We must use some dirty hacks to prevent classloader leaks (see mocked classes in HadoopClassLoader).

External execution must help us with it. 

The problem is that it never worked properly. We must restore it and then test very thoroughly.

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