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https://issues.apache.org/jira/browse/HBASE-10454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13890360#comment-13890360
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Anoop Sam John commented on HBASE-10454:
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With that compressed file info, I mean to add in the Prefix tree encoded HFiles
the info, whether the file is containing tags as encoded or not. (Just see
comment in HBASE-10454) As per the discussion there, no need to do that
encoding condition based. Tag compression will happen only in encoded files
for encoders other than Prefix tree. Fine. Will attach a patch which
contains only the tag presence part.
> TAGS_COMPRESSED file info is wrong in HFiles when PrefixTree encoding is used
> -----------------------------------------------------------------------------
>
> Key: HBASE-10454
> URL: https://issues.apache.org/jira/browse/HBASE-10454
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.98.0
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Fix For: 0.98.0
>
> Attachments: HBASE-10454.patch
>
>
> We always encode tags in case of Prefix tree now and so the code path, while
> decoding, not checking what is there in FileInfo. So functionally no issues
> now.
> If we do HBASE-10453 this change will be very important to make sure BC for
> old files.
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