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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7413) Convert WAL to pb
Date Wed, 17 Apr 2013 17:55:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13634248#comment-13634248
] 

stack commented on HBASE-7413:
------------------------------

Look in IPCUtils in the ipc package.  See how it is used.  We should figure out what is tough
grokking Cell and CellBlock since if it is hard for you, it is going to be really hard for
everyone else.  Basically, we want to move away from KeyValue and instead use an Interface
instead.  The Interface is named Cell.  rpc then has a notion of passing lots of Cells together
in CellBlocks w/ the metadata on the block kept outside in an associated protobuf.

Is HLogKey a protobuf now (Haven't looked at patch)?  If so, it is customizable?  If it is
not pb, should it be?

In general, this area could do w/ work for sure to remove duplication, etc.  Good on you Sergey.

I am still looking for my high level outline on this project with goal, and how you are going
about it.  I look at rb and it points here which has stuff distributed across multiple comments
coming and going; hard to follow.
                
> Convert WAL to pb
> -----------------
>
>                 Key: HBASE-7413
>                 URL: https://issues.apache.org/jira/browse/HBASE-7413
>             Project: HBase
>          Issue Type: Sub-task
>          Components: wal
>            Reporter: stack
>            Assignee: Sergey Shelukhin
>            Priority: Critical
>             Fix For: 0.95.1
>
>         Attachments: HBASE-7413-v0.patch
>
>
> From HBASE-7201

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