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https://issues.apache.org/jira/browse/HBASE-7845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13609893#comment-13609893
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Liang Xie commented on HBASE-7845:
----------------------------------
v9 renamed getFakedKey to getShortMidpointKey
{quote}
This define should be in HFile rather than in HConstants so it is beside where
it is used:
{quote}
If we move it into HFile(hbase-server module), then hbase-common
module(BufferedDataBlockEncoder) will need to depend it, it's improper seems to
me.
bq. I'd think we should try this as part of a long-running job before commit. I
can volunteer to do that.......
Thanks very much. btw, this feature had been enabled in our internal 0.94.3
cluster more than ten days before, so far so good
> optimize hfile index key
> ------------------------
>
> Key: HBASE-7845
> URL: https://issues.apache.org/jira/browse/HBASE-7845
> Project: HBase
> Issue Type: Improvement
> Components: HFile
> Affects Versions: 0.96.0
> Reporter: Liang Xie
> Assignee: Liang Xie
> Fix For: 0.98.0
>
> Attachments: HBASE-7845.txt, HBASE-7845-v2.txt, HBASE-7845-v3.txt,
> HBASE-7845-v4.txt, HBASE-7845-v5.txt, HBASE-7845-v6.txt, HBASE-7845-v7.txt,
> HBASE-7845-v8.txt, HBASE-7845-v9.txt
>
>
> Leveldb uses ByteWiseComparatorImpl::FindShortestSeparator() &
> FindShortSuccessor() to reduce index key size, it would be helpful under
> special conditions.
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