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From "Erik Holstad (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1845) Discussion issue for multi calls, MultiDelete, MultiGet and MultiPut
Date Sat, 19 Sep 2009 00:18:15 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12757553#action_12757553
] 

Erik Holstad commented on HBASE-1845:
-------------------------------------

@Stack 

Deprecating sounds good to me, will have the old calls use this new one behind the scenes
if we decide to use this.

I would say that checking if the list is sorted will probably go pretty fast, usually, since
it breaks at the first occurrence of an unsorted element, but I'm open to remove it, would
like to do
some timing test to see if it is worth it or not before making the decision. 

Will add the check for one element

Like the name Results, but not really liking Rows but it is not a big deal to me either. Think
that batch is kinda ok.

The reason that Row needs to be writable is the same as for Filter. Will make it WritableComparable,
so that will lead to Gets, Puts and Deletes just implement Row. Not sure that this is good
though, to hide those inside Row?

As the code is written now, you can mix and match all of the types into one batch, but I need
to do more testing on this and we might need to extend the compare code to include something
more than row.

Yeah, I guess that it what that means, Not really sure what would be the best alternative
here and if we are looking to make HTable thread safe?

I have done some test for recovery, that are not in the patch, but those required modifying
the actual code, but will try to figure something out so we can put it in a unit test.



> Discussion issue for multi calls, MultiDelete, MultiGet and MultiPut
> --------------------------------------------------------------------
>
>                 Key: HBASE-1845
>                 URL: https://issues.apache.org/jira/browse/HBASE-1845
>             Project: Hadoop HBase
>          Issue Type: New Feature
>            Reporter: Erik Holstad
>             Fix For: 0.21.0
>
>         Attachments: batch.patch, multi-v1.patch
>
>
> I've started to create a general interface for doing these batch/multi calls and would
like to get some input and thoughts about how we should handle this and what the protocol
should
> look like. 
> First naive patch, coming soon.

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