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Posted to issues@nifi.apache.org by "Mark Payne (JIRA)" <ji...@apache.org> on 2018/06/13 19:36:00 UTC

[jira] [Created] (NIFI-5308) Avoid holding DOM Node for templates in memory

Mark Payne created NIFI-5308:
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             Summary: Avoid holding DOM Node for templates in memory
                 Key: NIFI-5308
                 URL: https://issues.apache.org/jira/browse/NIFI-5308
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core Framework
            Reporter: Mark Payne
            Assignee: Mark Payne
             Fix For: 1.7.0


As part of the changes made for NIFI-950, in order to improve clustering stability we changed the serialization of templates so that once serialized, we keep the DOM node in memory because it's much more efficient than serializing each time. However, use of the application has shown that with a fairly significant number of templates, the DOM nodes can lead to rather extensive heap utilization, causing the nodes themselves to become unstable. It's better to avoid this caching and just revert to the way that we previously were handling template serialization.



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