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https://issues.apache.org/jira/browse/HBASE-16213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15378782#comment-15378782
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binlijin commented on HBASE-16213:
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[~tedyu]
org.apache.hadoop.hbase.io.encoding.TestEncodedSeekers
org.apache.hadoop.hbase.io.encoding.TestChangingEncoding
org.apache.hadoop.hbase.io.encoding.TestDataBlockEncoders
org.apache.hadoop.hbase.io.encoding.TestSeekToBlockWithEncoders
The four unit tests already test the ROW_INDEX_V1.
For larger key/values(key=10B, value=1k), there is 10% improvements.
> 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-master_v1.patch, 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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