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https://issues.apache.org/jira/browse/NIFI-4925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16386436#comment-16386436
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ASF GitHub Bot commented on NIFI-4925:
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GitHub user mcgilman opened a pull request:
https://github.com/apache/nifi/pull/2511
NIFI-4925: Ranger Authorizer Memory Leak
NIFI-4925:
- Addressing memory leak from lingering authorization results that did not
represent actual access attempts.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mcgilman/nifi NIFI-4925
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/nifi/pull/2511.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2511
----
commit d8e79a9427bb36f39290feb85ae908e8426f245a
Author: Matt Gilman <matt.c.gilman@...>
Date: 2018-03-02T21:24:34Z
NIFI-4925:
- Addressing memory leak from lingering authorization results that did not
represent actual access attempts.
----
> Ranger Authorizer - Memory Leak
> -------------------------------
>
> Key: NIFI-4925
> URL: https://issues.apache.org/jira/browse/NIFI-4925
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Reporter: Matt Gilman
> Assignee: Matt Gilman
> Priority: Critical
>
> Authorization requests/results are now explicitly audited. This change was
> due to the fact that the Ranger was auditing a lot of false positives
> previously. This is partly because the NiFi uses authorization to check which
> features the user may have permissions to. This check is used to
> enable/disable various parts of the UI. The remainder of the false positives
> came from the authorizer not knowing the entire context of the request. For
> instance, when a Processor has no policy we check its parent and so on.
> The memory leak is due to the authorizer holding onto authorization results
> that are never destined for auditing.
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