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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2209) Support of List [ ] in HBaseOutputWritable for serialization
Date Wed, 10 Feb 2010 22:52:29 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12832267#action_12832267
] 

Jean-Daniel Cryans commented on HBASE-2209:
-------------------------------------------

+1

> Support of List [ ] in HBaseOutputWritable for serialization 
> -------------------------------------------------------------
>
>                 Key: HBASE-2209
>                 URL: https://issues.apache.org/jira/browse/HBASE-2209
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: Kay Kay
>             Fix For: 0.21.0
>
>         Attachments: HBASE-2209.patch, HBASE-2209.patch
>
>
> On a higher language semantics , List < > are very useful for manipulation and
when finally sent down to the wire - the protocol currently seems to take only [ ]  through
an expensive copy. 
> Supporting List <T > directly would save us the copy in terms of memory and add
to faster / deserialization. 

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