Return-Path: 
 <user-return-37563-apmail-hbase-user-archive=hbase.apache.org@hbase.apache.org>
X-Original-To: apmail-hbase-user-archive@www.apache.org
Delivered-To: apmail-hbase-user-archive@www.apache.org
Received: from mail.apache.org (hermes.apache.org [140.211.11.3])
	by minotaur.apache.org (Postfix) with SMTP id DBABF10F93
	for <apmail-hbase-user-archive@www.apache.org>;
 Sat, 13 Jul 2013 11:36:37 +0000 (UTC)
Received: (qmail 84152 invoked by uid 500); 13 Jul 2013 11:36:34 -0000
Delivered-To: apmail-hbase-user-archive@hbase.apache.org
Received: (qmail 83976 invoked by uid 500); 13 Jul 2013 11:36:34 -0000
Mailing-List: contact user-help@hbase.apache.org; run by ezmlm
Precedence: bulk
List-Help: <mailto:user-help@hbase.apache.org>
List-Unsubscribe: <mailto:user-unsubscribe@hbase.apache.org>
List-Post: <mailto:user@hbase.apache.org>
List-Id: <user.hbase.apache.org>
Reply-To: user@hbase.apache.org
Delivered-To: mailing list user@hbase.apache.org
Received: (qmail 83966 invoked by uid 99); 13 Jul 2013 11:36:33 -0000
Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136)
    by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 13 Jul 2013 11:36:33 +0000
X-ASF-Spam-Status: No, hits=-0.7 required=5.0
	tests=RCVD_IN_DNSWL_LOW,SPF_PASS
X-Spam-Check-By: apache.org
Received-SPF: pass (athena.apache.org: domain of yuzhihong@gmail.com
 designates 209.85.160.49 as permitted sender)
Received: from [209.85.160.49] (HELO mail-pb0-f49.google.com) (209.85.160.49)
    by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 13 Jul 2013 11:36:27 +0000
Received: by mail-pb0-f49.google.com with SMTP id jt11so9759279pbb.8
        for <user@hbase.apache.org>; Sat, 13 Jul 2013 04:36:07 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=20120113;
        h=references:mime-version:in-reply-to:content-type
         :content-transfer-encoding:message-id:cc:x-mailer:from:subject:date
         :to;
        bh=c1oo4e+PRUQiuELPHGz+SXiI5o3yJAn4hFyLyE9cDUs=;
        b=UNBhDKlC2Wpu92OueiPLhFAq9xpY4WYNpBcKtpxSnsLKDJJW5mlBjFK+aMUSfS1XVE
         KAfiIatUySyTBWg8Jo6cnIB9EVFrF76dk1G+oPeOLyUWQ0pugiEWyZwpIEIh6fDqokzA
         2yh55sV9xeNArf3kL6pWVWT0uQhVT6kMfqWV2SYsaHsO5cpSHsBDn+xzHtSj/4TKIwxy
         cJXVPPksXv/KgYgMO/UTfXlIH0+ki4I1wMZ/cvr18UCN60ETxo/QRezu+HJ+hTO1Yise
         QnEGPd5e2mefnY9W1pBWxDOGs/2J0FNVqie21QpxJFdokqklynnhhd7csQh3aSIH6a33
         7BNg==
X-Received: by 10.66.16.197 with SMTP id i5mr3796572pad.51.1373715367308;
        Sat, 13 Jul 2013 04:36:07 -0700 (PDT)
Received: from [192.168.0.14] (c-24-130-233-55.hsd1.ca.comcast.net.
 [24.130.233.55])
        by mx.google.com with ESMTPSA id
 nr8sm39295019pbc.6.2013.07.13.04.36.02
        for <user@hbase.apache.org>
        (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128);
        Sat, 13 Jul 2013 04:36:03 -0700 (PDT)
References: 
 <CACeqxwSWwZpne9ZZYyuqQKvL=6R5SwZuAZMqoR4hsRwkp0JdcA@mail.gmail.com>
Mime-Version: 1.0 (1.0)
In-Reply-To: 
 <CACeqxwSWwZpne9ZZYyuqQKvL=6R5SwZuAZMqoR4hsRwkp0JdcA@mail.gmail.com>
Content-Type: text/plain;
	charset=us-ascii
Content-Transfer-Encoding: quoted-printable
Message-Id: <8BD7D476-B8F9-4788-867D-51D231346D28@gmail.com>
Cc: "user@hbase.apache.org" <user@hbase.apache.org>
X-Mailer: iPhone Mail (10B146)
From: Ted Yu <yuzhihong@gmail.com>
Subject: Re: the scan will be executed parallel if not use coprocessor?
Date: Sat, 13 Jul 2013 04:36:01 -0700
To: "user@hbase.apache.org" <user@hbase.apache.org>
X-Virus-Checked: Checked by ClamAV on apache.org

Can you clarify your question a little bit ?

That is, are you expecting parallel scan within region boundary or across bo=
undaries ?

Cheers

On Jul 13, 2013, at 1:43 AM, ch huang <justlooks@gmail.com> wrote:

> ATT