Return-Path: Delivered-To: apmail-hadoop-hbase-dev-archive@locus.apache.org Received: (qmail 31567 invoked from network); 16 Sep 2008 18:42:49 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 16 Sep 2008 18:42:49 -0000 Received: (qmail 99065 invoked by uid 500); 16 Sep 2008 18:42:46 -0000 Delivered-To: apmail-hadoop-hbase-dev-archive@hadoop.apache.org Received: (qmail 99051 invoked by uid 500); 16 Sep 2008 18:42:46 -0000 Mailing-List: contact hbase-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hbase-dev@hadoop.apache.org Delivered-To: mailing list hbase-dev@hadoop.apache.org Received: (qmail 99038 invoked by uid 99); 16 Sep 2008 18:42:45 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 16 Sep 2008 11:42:45 -0700 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=HTML_MESSAGE,SPF_PASS,WHOIS_MYPRIVREG X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of jdcryans@gmail.com designates 209.85.198.226 as permitted sender) Received: from [209.85.198.226] (HELO rv-out-0506.google.com) (209.85.198.226) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 16 Sep 2008 18:41:45 +0000 Received: by rv-out-0506.google.com with SMTP id k40so2552124rvb.29 for ; Tue, 16 Sep 2008 11:42:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:sender :to:subject:in-reply-to:mime-version:content-type:references :x-google-sender-auth; bh=vyS47S09RQ1lRTarA1bz2O2pY+T/xQlFc3ZA+yU0vN8=; b=VKKt+EPvCSVUm9tXAQetX73msBccU8rBodzGJVfZ3t9lzCZ7wbcuObpU9KKP3KYsOa MZSyYydILFam9Mk2roOR46B1DMw6VLtiOTTMNmohQds+7p5ZId1b7BLykQ0dkATqZG54 qELJHFQCE15mbC9pww4cmFUNZcNXX66btJj28= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:in-reply-to:mime-version :content-type:references:x-google-sender-auth; b=WnNuQUSOaXs5mjuyEq4Vizbb9tDzsmF6D8yg495FdiuWfRGjkVvr/rGMdKDrVLixAd fAIlZI7BKobLR+iLWiJCWzU4S3gRfD2HT7GuVE3eDBOtQUWpImGLnzSSV7L1zDiQJR2j 2QWtmxZBqQlEuUcVfImj0VKlkjspjiC4oAqpg= Received: by 10.141.128.19 with SMTP id f19mr5915540rvn.107.1221590528001; Tue, 16 Sep 2008 11:42:08 -0700 (PDT) Received: by 10.141.154.1 with HTTP; Tue, 16 Sep 2008 11:42:07 -0700 (PDT) Message-ID: <31a243e70809161142k2fb25dv89f7bda9d97d42ab@mail.gmail.com> Date: Tue, 16 Sep 2008 14:42:07 -0400 From: "Jean-Daniel Cryans" Sender: jdcryans@gmail.com To: hbase-dev@hadoop.apache.org Subject: Re: Interesting assessment from cassandra-user list In-Reply-To: <7c962aed0809161133p26d39045v54d79afcd18dea42@mail.gmail.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_11555_8327215.1221590528002" References: <7c962aed0809161133p26d39045v54d79afcd18dea42@mail.gmail.com> X-Google-Sender-Auth: 000b72110b1163e3 X-Virus-Checked: Checked by ClamAV on apache.org ------=_Part_11555_8327215.1221590528002 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline The discussion we had on the list: http://www.nabble.com/Writes---Poor-performance-on-EC2-td19091709.html It seems many hit the single region problem and give up. J-D On Tue, Sep 16, 2008 at 2:33 PM, stack wrote: > I came across this interesting comparison of hbase to cassandra up on the > cassandra-user list by Manish Katyal from a few days ago. > > http://groups.google.com/group/cassandra-user/msg/9f6fd4cfa0da2e96?hl=en > > Looks like we have a bunch of work to do still. > St.Ack > ------=_Part_11555_8327215.1221590528002--