Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 96987 invoked from network); 12 Sep 2008 02:46:36 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 12 Sep 2008 02:46:36 -0000 Received: (qmail 87644 invoked by uid 500); 12 Sep 2008 02:46:32 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 87606 invoked by uid 500); 12 Sep 2008 02:46:32 -0000 Mailing-List: contact core-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-dev@hadoop.apache.org Delivered-To: mailing list core-dev@hadoop.apache.org Received: (qmail 87586 invoked by uid 99); 12 Sep 2008 02:46:32 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 11 Sep 2008 19:46:32 -0700 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 12 Sep 2008 02:45:42 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 90AB8234C210 for ; Thu, 11 Sep 2008 19:45:44 -0700 (PDT) Message-ID: <711651128.1221187544591.JavaMail.jira@brutus> Date: Thu, 11 Sep 2008 19:45:44 -0700 (PDT) From: "Amir Youssefi (JIRA)" To: core-dev@hadoop.apache.org Subject: [jira] Issue Comment Edited: (HADOOP-3315) New binary file format In-Reply-To: <774412089.1209158875801.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HADOOP-3315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12630442#action_12630442 ] amirhyoussefi edited comment on HADOOP-3315 at 9/11/08 7:43 PM: ---------------------------------------------------------------- Did initial benchmarks with 100B keys and 5KB values. We found some performance improvement opportunities and an LZO issue (HADOOP-4162). I will make a few changes to make a scenario usable for comparison with Sequence Files. was (Author: amirhyoussefi): Did initial benchmarks with 100B key and 5K values. We found some performance improvement opportunities and an LZO issue (HADOOP-4162). I will make a few changes to make a scenario usable for comparison with Sequence Files. > New binary file format > ---------------------- > > Key: HADOOP-3315 > URL: https://issues.apache.org/jira/browse/HADOOP-3315 > Project: Hadoop Core > Issue Type: New Feature > Components: io > Reporter: Owen O'Malley > Assignee: Amir Youssefi > Attachments: HADOOP-3315_TFILE_PREVIEW.patch, HADOOP-3315_TFILE_PREVIEW_WITH_LZO_TESTS.patch, TFile Specification Final.pdf > > > SequenceFile's block compression format is too complex and requires 4 codecs to compress or decompress. It would be good to have a file format that only needs -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.