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https://issues.apache.org/jira/browse/ACCUMULO-4141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15143114#comment-15143114
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Josh Elser commented on ACCUMULO-4141:
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I assume by Major you don't think this would be a big performance impact?
Yet another sign that we need much better block cache metrics :)
> RFile metadata not loading from cache
> --------------------------------------
>
> Key: ACCUMULO-4141
> URL: https://issues.apache.org/jira/browse/ACCUMULO-4141
> Project: Accumulo
> Issue Type: Bug
> Components: tserver
> Affects Versions: 1.6.4, 1.7.0
> Reporter: Keith Turner
> Assignee: Keith Turner
> Fix For: 1.6.6, 1.7.2
>
>
> In [BCFile line
> 818|https://github.com/apache/accumulo/blob/1.6.4/core/src/main/java/org/apache/accumulo/core/file/rfile/bcfile/BCFile.java#L818]
> an attempt to read crypto metadata from cache is made. Then at [BCFile line
> 820|https://github.com/apache/accumulo/blob/1.6.4/core/src/main/java/org/apache/accumulo/core/file/rfile/bcfile/BCFile.java#L820]
> if that crypto metadata does not exist, some BC file metadata is read from
> the file. For unencrypted files this data will never exist in cache.
> Therefore for unencrypted files metadata will always be read from the file,
> even when its cached.
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