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https://issues.apache.org/jira/browse/HBASE-16213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15372193#comment-15372193
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binlijin edited comment on HBASE-16213 at 7/12/16 12:11 PM:
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ROW_INDEX_V1 is the first version.
ROW_INDEX_V2 store column family only once.
And the third version store every row only once have not implement.
was (Author: aoxiang):
ROW_INDEX_V1 is the first version.
ROW_INDEX_V2 store column family only once.
And the third version store every rowKey only once have not implement.
> A new HFileBlock structure for fast random get
> ----------------------------------------------
>
> Key: HBASE-16213
> URL: https://issues.apache.org/jira/browse/HBASE-16213
> Project: HBase
> Issue Type: New Feature
> Reporter: binlijin
> Attachments: HBASE-16213.patch, HBASE-16213_v2.patch
>
>
> HFileBlock store cells sequential, current when to get a row from the block,
> it scan from the first cell until the row's cell.
> The new structure store every row's start offset with data, so it can find
> the exact row with binarySearch.
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