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https://issues.apache.org/jira/browse/NIFI-909?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joseph Witt updated NIFI-909:
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Fix Version/s: (was: 0.4.0)
> Update documentation and/or automate permgen settings for Java 7
> ----------------------------------------------------------------
>
> Key: NIFI-909
> URL: https://issues.apache.org/jira/browse/NIFI-909
> Project: Apache NiFi
> Issue Type: Bug
> Components: Configuration, Documentation & Website
> Reporter: Joseph Witt
>
> NiFi loads a lot of classes due to its class loading model and extensibility.
> In Java 7 the Perm Gen is quite small by default. As a result a new user
> can get nifi running then suddenly see permgen issues. This is confusing and
> annoying and avoidable.
> We could add something about this in the documentation. That is the least we
> can do. We could also add something in the UI that warns, like a bulletin,
> about permgen being close to full, and we could add something to the startup
> scripts that when it is Java 7 it will set the permgen larger by default if
> the user doesn't have those settings established.
> We could probably also just leave those settings active by default but on
> Java 8 it would print at least a warning which could also lead to confusion
> In Java 8 this is goes away entirely and is a non-issue.
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