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https://issues.apache.org/jira/browse/HBASE-7845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13587953#comment-13587953
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Ted Yu commented on HBASE-7845:
-------------------------------
Took a brief look over the patch.
{code}
+ dataBlockIndexWriter.addEntry(shortestSeparator,
lastDataBlockOffset,onDiskSize);
+ } else {
+ dataBlockIndexWriter.addEntry(firstKeyInBlock,
lastDataBlockOffset,onDiskSize);
{code}
How would the above affect existing HFilev2 ?
I would expect a bump in minor version, at least.
> 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
> Attachments: HBASE-7845.txt, HBASE-7845-v2.txt
>
>
> Leveldb uses ByteWiseComparatorImpl::FindShortestSeparator() &
> FindShortSuccessor() to reduce index key size, it would be helpful under
> special conditions.
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