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https://issues.apache.org/jira/browse/HBASE-10454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anoop Sam John updated HBASE-10454:
-----------------------------------
Resolution: Fixed
Fix Version/s: 0.99.0
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Committed to 0.98 and Trunk. Thanks for the reviews
> Tags presence file info can be 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
> Priority: Minor
> Fix For: 0.98.0, 0.99.0
>
> Attachments: HBASE-10454.patch, HBASE-10454_V2.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.
> We use the file info MAX_TAGS_LEN to know the presence of tags in a file. In
> case of prefix tree we always have tags in files even if all kvs have 0 tags.
> So better we can add this file info into prefix tree encoded HFiles. Now it
> get missed.
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