Return-Path: X-Original-To: apmail-hive-dev-archive@www.apache.org Delivered-To: apmail-hive-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 9157C773D for ; Mon, 5 Dec 2011 08:16:03 +0000 (UTC) Received: (qmail 37100 invoked by uid 500); 5 Dec 2011 08:16:03 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 36994 invoked by uid 500); 5 Dec 2011 08:16:02 -0000 Mailing-List: contact dev-help@hive.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hive.apache.org Delivered-To: mailing list dev@hive.apache.org Received: (qmail 36981 invoked by uid 500); 5 Dec 2011 08:16:02 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 36978 invoked by uid 99); 5 Dec 2011 08:16:01 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 05 Dec 2011 08:16:01 +0000 X-ASF-Spam-Status: No, hits=-2001.2 required=5.0 tests=ALL_TRUSTED,RP_MATCHES_RCVD X-Spam-Check-By: apache.org Received: from [140.211.11.116] (HELO hel.zones.apache.org) (140.211.11.116) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 05 Dec 2011 08:16:00 +0000 Received: from hel.zones.apache.org (hel.zones.apache.org [140.211.11.116]) by hel.zones.apache.org (Postfix) with ESMTP id 39548C61EE for ; Mon, 5 Dec 2011 08:15:40 +0000 (UTC) Date: Mon, 5 Dec 2011 08:15:40 +0000 (UTC) From: "Krishna Kumar (Updated) (JIRA)" To: hive-dev@hadoop.apache.org Message-ID: <1064317577.40502.1323072940236.JavaMail.tomcat@hel.zones.apache.org> In-Reply-To: <449626641.40485.1323072579963.JavaMail.tomcat@hel.zones.apache.org> Subject: [jira] [Updated] (HIVE-2623) Add Integer type compressors MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HIVE-2623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Krishna Kumar updated HIVE-2623: -------------------------------- Attachment: steppedpowerlaw.gz Synthetic data for elias gamma. Storage size when stored as rc files (single field record): plain: 188320 gzip: 61280 bzip2: 44023 uber+eliasgamma: 35963 Actual gains in production will depend upon actual probability distributions + size of other columns. > Add Integer type compressors > ---------------------------- > > Key: HIVE-2623 > URL: https://issues.apache.org/jira/browse/HIVE-2623 > Project: Hive > Issue Type: Sub-task > Components: Query Processor, Serializers/Deserializers > Reporter: Krishna Kumar > Assignee: Krishna Kumar > Priority: Minor > Attachments: HIVE-2623.v0.patch, steppedpowerlaw.gz > > > Type-specific compressors for integers. > Starting with elias gamma which prefers small values as per a power-law like distribution. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira