Return-Path: 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 1341C8758 for ; Mon, 8 Aug 2011 22:35:09 +0000 (UTC) Received: (qmail 53796 invoked by uid 500); 8 Aug 2011 22:35:07 -0000 Delivered-To: apmail-hbase-user-archive@hbase.apache.org Received: (qmail 53753 invoked by uid 500); 8 Aug 2011 22:35:07 -0000 Mailing-List: contact user-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hbase.apache.org Delivered-To: mailing list user@hbase.apache.org Received: (qmail 53745 invoked by uid 99); 8 Aug 2011 22:35:06 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 08 Aug 2011 22:35:06 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of saint.ack@gmail.com designates 209.85.216.176 as permitted sender) Received: from [209.85.216.176] (HELO mail-qy0-f176.google.com) (209.85.216.176) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 08 Aug 2011 22:35:00 +0000 Received: by qyk7 with SMTP id 7so3157056qyk.14 for ; Mon, 08 Aug 2011 15:34:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; 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; bh=nuSDc1CPwkuTNmwQSKfewRDMq5wZJd0EAItDVW2YZhE=; b=oybNgYi/L6uivet85mwjaXCE8WtB1Q8GtnRaKBcyrOvl7qj/Kzme5cFkEkx6MWLkpc /QjImvWHlUoRRqdK8zi7qeS91BqwpM5+Jq7w0ojThe4QImlRTBVEaBLwFwFXAHQOLn0b 0oc3W+ni7Lr5VUE1LaHx8QCxkJvgKnd2d+ViI= MIME-Version: 1.0 Received: by 10.224.206.69 with SMTP id ft5mr5151164qab.267.1312842879193; Mon, 08 Aug 2011 15:34:39 -0700 (PDT) Sender: saint.ack@gmail.com Received: by 10.224.37.3 with HTTP; Mon, 8 Aug 2011 15:34:39 -0700 (PDT) In-Reply-To: References: Date: Mon, 8 Aug 2011 15:34:39 -0700 X-Google-Sender-Auth: QYj8MCjY_OKxjpxC-8qeeaIMdTk Message-ID: Subject: Re: BulkLoading MR tasks From: Stack To: user@hbase.apache.org Content-Type: text/plain; charset=ISO-8859-1 On Mon, Aug 8, 2011 at 4:14 AM, abhay ratnaparkhi wrote: > I am trying to load data in HBase table using Map Reduce task. > I have input from one HBase table which has some id's stored (around > 100000). > The default hbase splitter creates a split per region. If you source table has one region only in it, then there will be one map task only. You need to do a custom splitter if you need more for the same single-region input table. > Will region split help in this case? > Or you could yes, split the source table into more than one region. St.Ack