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https://issues.apache.org/jira/browse/HBASE-10451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13888497#comment-13888497
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Anoop Sam John commented on HBASE-10451:
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When the store file is being read, as part of reseek to a key if we find the if
we have jumped a given key we do a move previous. Incase of DBEs we have
already decoded this KV and so tags in that. Suppose this KV had some tags
which are like not present in Dict already. So as part of decode we read the
actual tag from file buffer and adds an entry into Dict. Now after moving to
previous we once again decode this kv and so tags in that and again will make a
duplicate entry into Dict (In next index). This makes the Dict structure
totally gone.
> Enable back Tag compression on HFiles
> -------------------------------------
>
> Key: HBASE-10451
> URL: https://issues.apache.org/jira/browse/HBASE-10451
> Project: HBase
> Issue Type: Bug
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Fix For: 0.98.1
>
>
> HBASE-10443 disables tag compression on HFiles. This Jira is to fix the
> issues we have found out in HBASE-10443 and enable it back.
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