[jira] [Created] (SENTRY-1909) Improvements for memory usage when full path snapshot is sent from Sentry to NN

[Alexander Kolbasov (JIRA)]

Alexander Kolbasov created SENTRY-1909:
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             Summary: Improvements for memory usage when full path snapshot is 
sent from Sentry to NN
                 Key: SENTRY-1909
                 URL: https://issues.apache.org/jira/browse/SENTRY-1909
             Project: Sentry
          Issue Type: Improvement
          Components: Sentry
    Affects Versions: 2.0.0
            Reporter: Alexander Kolbasov
            Assignee: Alexander Kolbasov


While looking at SENTRY-1907 I noticed another thing. 
{{sentryStore.retrieveFullPathsImage()}} uses {{Map<String, Set<String>>}} as a 
snapshot representation. This isn't needed since {{Map<String, 
Collection<String>>}} is sufficient and we can represent it using ArrayList. 
This is much more efficient representation. 



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