Return-Path: Delivered-To: apmail-hadoop-hbase-user-archive@minotaur.apache.org Received: (qmail 72317 invoked from network); 25 Sep 2009 23:50:15 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 25 Sep 2009 23:50:15 -0000 Received: (qmail 94067 invoked by uid 500); 25 Sep 2009 23:50:14 -0000 Delivered-To: apmail-hadoop-hbase-user-archive@hadoop.apache.org Received: (qmail 94020 invoked by uid 500); 25 Sep 2009 23:50:14 -0000 Mailing-List: contact hbase-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hbase-user@hadoop.apache.org Delivered-To: mailing list hbase-user@hadoop.apache.org Received: (qmail 94009 invoked by uid 99); 25 Sep 2009 23:50:14 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 25 Sep 2009 23:50:14 +0000 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=HTML_MESSAGE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of saint.ack@gmail.com designates 209.85.221.188 as permitted sender) Received: from [209.85.221.188] (HELO mail-qy0-f188.google.com) (209.85.221.188) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 25 Sep 2009 23:50:03 +0000 Received: by qyk26 with SMTP id 26so2597841qyk.5 for ; Fri, 25 Sep 2009 16:49:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to :content-type; bh=JUXHxkApQdRmieVz2f5mFvxaGJEr828uaD6BSreNevM=; b=l+zSdHeVSwEMI8eiQ3jXk/vRl9BktJCL6Z6JoLVvBGK6tEe1od8J/L3nuiA50DApe+ 7qDKYO78Xz4fD0yzcvvXELD4fWBKZvzJPxYW5PF60FudGhFiwC7AzotjmG6h+TG7Y+GB hKWr3Vjr8+OtgVEhUzCANPzl3lJNqjn/E+goE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:content-type; b=aOoqEaDt8y5VjiXYk4T4nt0FTWnwByU+JgeXK6SDCal8A1klllQuVDo2FRGbuPFMAu tPZ6PFM/MFaZTDFFY/LcGKD/YHXprGthowekMafjxR0JF/pBB0rDxLPm5IfjuqBPd9OB WaLV5qeZWNgR8usjWaaOREmu2My4UrCbHTwGg= MIME-Version: 1.0 Sender: saint.ack@gmail.com Received: by 10.229.112.139 with SMTP id w11mr684227qcp.8.1253922581864; Fri, 25 Sep 2009 16:49:41 -0700 (PDT) In-Reply-To: <7c962aed0909251432n16df367r6a267437b9d6481a@mail.gmail.com> References: <25619336.post@talk.nabble.com> <7c962aed0909251432n16df367r6a267437b9d6481a@mail.gmail.com> Date: Fri, 25 Sep 2009 16:49:41 -0700 X-Google-Sender-Auth: d03b00efce6b3afa Message-ID: <7c962aed0909251649te88ef57i50ce3ae5656a59ce@mail.gmail.com> Subject: Re: Looking for simple hbase map/reduce example From: stack To: hbase-user@hadoop.apache.org Content-Type: multipart/alternative; boundary=00c09f90580d1162af04746f9a94 X-Virus-Checked: Checked by ClamAV on apache.org --00c09f90580d1162af04746f9a94 Content-Type: text/plain; charset=ISO-8859-1 Or better, http://kdpeterson.net/blog/2009/09/minimal-hbase-mapreduce-example.html St.Ack On Fri, Sep 25, 2009 at 2:32 PM, stack wrote: > On Fri, Sep 25, 2009 at 2:09 PM, terryg wrote: > >> >> I'm working on a map/reduce java program for performing a comparison of >> columns in a single record and then reporting the percent matched. From >> what I have read the comparison portion would occur during the map step, >> and >> the reduce step would then aggregate the totals to come up with a percent >> matched for each field. >> >> What i'm trying to find are some simple map/reduce hbase examples for 0.20 >> API. Can anyone point me in the direction of some? > > > See content of org.apache.hadoop.hbase.mapreduce package. Checkout in > particular the RowCounter. > Yours, > St.Ack > > --00c09f90580d1162af04746f9a94--