Return-Path: Delivered-To: apmail-lucene-hadoop-commits-archive@locus.apache.org Received: (qmail 8871 invoked from network); 10 Aug 2007 09:36:19 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 10 Aug 2007 09:36:19 -0000 Received: (qmail 12515 invoked by uid 500); 10 Aug 2007 09:36:18 -0000 Delivered-To: apmail-lucene-hadoop-commits-archive@lucene.apache.org Received: (qmail 12496 invoked by uid 500); 10 Aug 2007 09:36:18 -0000 Mailing-List: contact hadoop-commits-help@lucene.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hadoop-dev@lucene.apache.org Delivered-To: mailing list hadoop-commits@lucene.apache.org Received: (qmail 12487 invoked by uid 99); 10 Aug 2007 09:36:18 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 10 Aug 2007 02:36:18 -0700 X-ASF-Spam-Status: No, hits=-100.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.130] (HELO eos.apache.org) (140.211.11.130) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 10 Aug 2007 09:36:20 +0000 Received: from eos.apache.org (localhost [127.0.0.1]) by eos.apache.org (Postfix) with ESMTP id C654A59A07 for ; Fri, 10 Aug 2007 09:35:56 +0000 (GMT) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Apache Wiki To: hadoop-commits@lucene.apache.org Date: Fri, 10 Aug 2007 09:35:56 -0000 Message-ID: <20070810093556.28471.67164@eos.apache.org> Subject: [Lucene-hadoop Wiki] Trivial Update of "SequenceFile" by Arun C Murthy X-Virus-Checked: Checked by ClamAV on apache.org Dear Wiki user, You have subscribed to a wiki page or wiki category on "Lucene-hadoop Wiki" for change notification. The following page has been changed by Arun C Murthy: http://wiki.apache.org/lucene-hadoop/SequenceFile ------------------------------------------------------------------------------ == Overview == - SequenceFile is a flat file consisting of binary key/value pairs. It is extensively used in MapReduce as input/output formats. + [http://lucene.apache.org/hadoop/docs/api/org/apache/hadoop/io/SequenceFile.html SequenceFile] is a flat file consisting of binary key/value pairs. It is extensively used in MapReduce as input/output formats. It is also worth noting that, internally, the temporary outputs of maps are stored using SequenceFile. The SequenceFile provides a Writer, Reader and Sorter classes for writing, reading and sorting respectively.