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HBase, mail # dev - removing lock ids from RegionObserver


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Re: removing lock ids from RegionObserver
Ted Yu 2013-07-06, 22:04
+1 on the removal of lock Ids.

On Sat, Jul 6, 2013 at 2:49 PM, Dave Latham <[EMAIL PROTECTED]> wrote:

> In HBASE-8877 I'm proposing to change row locks to be reentrant and thread
> based rather than tracking lock ids.  Part of that change would mean
> altering the RegionObserver coprocessor.  Specifically, the methods
> preBatchMutate and postBatchMutate would have the parameter
> MiniBatchOperationInProgress<Pair<Mutation,
> Integer>> miniBatchOp become
> MiniBatchOperationInProgress<Mutation> miniBatchOp
>
> Does anyone rely on lock ids for this coprocessor or object to the change?
> Is it safe to make this incompatible change for 0.96?
>
> Thanks, Andrew, for already chiming in on the issue.
> For more background, see that issue and discussion on HBASE-8806.
>
> Dave
>