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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