Thanks Lars. That issue is very similar with our requirement. We'll keep focus 
on it and may contribute some code on it.

Thanks,
Snake
在 2013-3-23,下午12:00, lars hofhansl 写道:

> You might find HBASE-8185 (https://issues.apache.org/jira/browse/HBASE-8185) 
> interesting.
> 
> -- Lars
> 
> 
> 
> ________________________________
> From: Snake <[email protected]>
> To: [email protected]; lars hofhansl <[email protected]> 
> Sent: Friday, March 22, 2013 12:47 AM
> Subject: Re: Is there a way to only scan data in memstore
> 
> Our usage scenario is that when the hbase client and hfile are in the same 
> machine(read local), we don't want to hbase client to communicate with 
> regionserver and then send back the data. Serialization, deserialization and 
> network transmission are time-consuming. The best way is hbase client can 
> read local data directly. It's great if hbase client can consider these kinds 
> of thing to improve scan performance.
> 在 2013-3-22,下午12:19, lars hofhansl 写道:
> 
>> provide

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