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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7899) Cell block building tools: Cell codec and means of iterating an objects Cells
Date Sat, 23 Feb 2013 15:02:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13585137#comment-13585137
] 

Ted Yu commented on HBASE-7899:
-------------------------------

I went through patch v3 briefly.

Good job. +1
                
> Cell block building tools: Cell codec and means of iterating an objects Cells
> -----------------------------------------------------------------------------
>
>                 Key: HBASE-7899
>                 URL: https://issues.apache.org/jira/browse/HBASE-7899
>             Project: HBase
>          Issue Type: Sub-task
>          Components: IPC/RPC
>            Reporter: stack
>            Assignee: stack
>            Priority: Blocker
>             Fix For: 0.96.0
>
>         Attachments: 7899.txt, 7899v2.txt, 7899v3.txt
>
>
> In our rpc specification, https://docs.google.com/document/d/1-1RJMLXzYldmHgKP7M7ynK6euRpucD03fZ603DlZfGI/edit#,
we talk of passing lots of Cells outside of protobuf.  We do it using Cell blocks. There are
blobs filled with Cells that are encoded variously and optionally compressed.
> This issue is about adding to hbase-common basic facility for building Cell blocks. 
It includes a codec Interface for encoding/decoding Cell blocks as well as a means of iterating
an objects Cell content (prefix-tree's CellScanner).
> This is a subtask of HBASE-7898 Serializing Cells over RPC

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