Return-Path: Delivered-To: apmail-lucene-hadoop-user-archive@locus.apache.org Received: (qmail 71929 invoked from network); 16 Aug 2007 08:18:07 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 16 Aug 2007 08:18:07 -0000 Received: (qmail 46162 invoked by uid 500); 16 Aug 2007 08:18:04 -0000 Delivered-To: apmail-lucene-hadoop-user-archive@lucene.apache.org Received: (qmail 46140 invoked by uid 500); 16 Aug 2007 08:18:04 -0000 Mailing-List: contact hadoop-user-help@lucene.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hadoop-user@lucene.apache.org Delivered-To: mailing list hadoop-user@lucene.apache.org Received: (qmail 46131 invoked by uid 99); 16 Aug 2007 08:18:04 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 16 Aug 2007 01:18:04 -0700 X-ASF-Spam-Status: No, hits=1.2 required=10.0 tests=SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: local policy) Received: from [216.145.54.172] (HELO mrout2.yahoo.com) (216.145.54.172) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 16 Aug 2007 08:17:56 +0000 Received: from [10.66.74.226] (arunc.eglbp.corp.yahoo.com [10.66.74.226]) by mrout2.yahoo.com (8.13.6/8.13.6/y.out) with ESMTP id l7G8HNRJ096808 for ; Thu, 16 Aug 2007 01:17:24 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; s=serpent; d=yahoo-inc.com; c=nofws; q=dns; h=message-id:date:from:organization:user-agent: x-accept-language:mime-version:to:subject:references:in-reply-to: content-type:content-transfer-encoding; b=NmmUQW2g9OgtaKVZcj/w1P/2SSnuarUfgVLJt6T620iEHsbcCl4dm8nmWRxe347j Message-ID: <46C40813.3020704@yahoo-inc.com> Date: Thu, 16 Aug 2007 13:47:23 +0530 From: Arun C Murthy Organization: Yahoo! Inc. User-Agent: Mozilla Thunderbird 0.7.3 (X11/20040929) X-Accept-Language: en-us, en MIME-Version: 1.0 To: hadoop-user@lucene.apache.org Subject: Re: How to integrate C/C++ library in Hadoop Map/Reduce References: <12176819.post@talk.nabble.com> In-Reply-To: <12176819.post@talk.nabble.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org Hi, ChaoChun Liang wrote: > Hello, > We had text processing libraries, which developed by C/C++, and would like > to > use Hadoop to process large data set. It looks like not much talking about > this issue > (to call C/C++ library under Hadoop Map/Reduce Java codes) > Any comment(or examples) to share how to do that? Thanks for your help. > I believe the hadoop *pipes* is what you need... it's coming up in the 0.14.0 release in next few days: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/java/org/apache/hadoop/mapred/pipes/package.html Here is some context: http://issues.apache.org/jira/browse/HADOOP-234 Arun > ChaoChun