Return-Path: Delivered-To: apmail-hbase-dev-archive@www.apache.org Received: (qmail 47497 invoked from network); 15 Mar 2011 14:05:21 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 15 Mar 2011 14:05:21 -0000 Received: (qmail 80599 invoked by uid 500); 15 Mar 2011 14:05:21 -0000 Delivered-To: apmail-hbase-dev-archive@hbase.apache.org Received: (qmail 80572 invoked by uid 500); 15 Mar 2011 14:05:21 -0000 Mailing-List: contact dev-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hbase.apache.org Delivered-To: mailing list dev@hbase.apache.org Received: (qmail 80564 invoked by uid 99); 15 Mar 2011 14:05:21 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 15 Mar 2011 14:05:21 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of yuzhihong@gmail.com designates 209.85.215.41 as permitted sender) Received: from [209.85.215.41] (HELO mail-ew0-f41.google.com) (209.85.215.41) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 15 Mar 2011 14:05:13 +0000 Received: by ewy9 with SMTP id 9so235412ewy.14 for ; Tue, 15 Mar 2011 07:04:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:date:message-id:subject:from:to :content-type; bh=AJui322epQRYmGLxEUgL1GXG+7PA2dyTyVFi+caGZtk=; b=Zmqf15v7ftXQuRFQeamlwrHd8P8LRY9ucxqFiROHYQ/EnKwZZW8yvHzp7Vh/ctV6mt nA6M9XmXbRLUArRtNvIVoYvQGkb3T/c3gGpm3qM0QRogJKOgzJ9SxOLyQ6nkDQUyY6JE /64RMUHlyNQG+eoc0fl3ZdaASx7mM/RDD5QfU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=q5yuvXcj0JJVRYpbIROzXTRmtBMUl/0yrLPlE8zjlaqLekn6u2xLVIcFdTB6fPOrWH sqg67s4lPBzXqLH1ZCC0J0awssSqJgGNqiIUOsH7txA073kHhKbC5N2OcixmjaMt/qWk S6aB3qQGv+00eDllEMqU9zScWW2Mq6I2r4SgQ= MIME-Version: 1.0 Received: by 10.223.97.196 with SMTP id m4mr104818fan.105.1300197892699; Tue, 15 Mar 2011 07:04:52 -0700 (PDT) Received: by 10.223.86.10 with HTTP; Tue, 15 Mar 2011 07:04:52 -0700 (PDT) Date: Tue, 15 Mar 2011 07:04:52 -0700 Message-ID: Subject: distinguish read and write request count in region From: Ted Yu To: dev@hbase.apache.org Content-Type: multipart/alternative; boundary=001517491d54883611049e85e918 X-Virus-Checked: Checked by ClamAV on apache.org --001517491d54883611049e85e918 Content-Type: text/plain; charset=ISO-8859-1 I am thinking of distinguishing read and write request count, on top of HBASE-3507. For load balancer, the action for balancing read vs. write load should be different. For read load, region movement should be low (to keep scanner happy). For write load, region movement is allowed. Please comment. --001517491d54883611049e85e918--