You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@hbase.apache.org by "binlijin (JIRA)" <ji...@apache.org> on 2016/07/12 05:25:11 UTC
[jira] [Commented] (HBASE-16213) A new HFileBlock structure for
fast random get
[ https://issues.apache.org/jira/browse/HBASE-16213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15372193#comment-15372193 ]
binlijin commented on HBASE-16213:
----------------------------------
ROW_INDEX_V1 is the first version.
ROW_INDEX_V2 store column family only once.
> 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
>
>
> 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.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)