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From Stack <st...@duboce.net>
Subject Re: removing lock ids from RegionObserver
Date Sat, 06 Jul 2013 21:51:35 GMT
On Sat, Jul 6, 2013 at 2:49 PM, Dave Latham <latham@davelink.net> 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?
>
>
+1 for 0.96.  (Why would an observer want the lockid anyways?)
St.Ack

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