Return-Path: X-Original-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id A65A21791A for ; Tue, 16 Feb 2016 06:24:18 +0000 (UTC) Received: (qmail 6502 invoked by uid 500); 16 Feb 2016 06:24:18 -0000 Delivered-To: apmail-hadoop-common-issues-archive@hadoop.apache.org Received: (qmail 6387 invoked by uid 500); 16 Feb 2016 06:24:18 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-issues@hadoop.apache.org Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 6353 invoked by uid 99); 16 Feb 2016 06:24:18 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 16 Feb 2016 06:24:18 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 1D52F2C1F5C for ; Tue, 16 Feb 2016 06:24:18 +0000 (UTC) Date: Tue, 16 Feb 2016 06:24:18 +0000 (UTC) From: "Ravi Mutyala (JIRA)" To: common-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HADOOP-12794) Support additional compression levels for GzipCodec 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/HADOOP-12794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ravi Mutyala updated HADOOP-12794: ---------------------------------- Status: Open (was: Patch Available) Cancelling patch because of -1. Will add a new patch > Support additional compression levels for GzipCodec > --------------------------------------------------- > > Key: HADOOP-12794 > URL: https://issues.apache.org/jira/browse/HADOOP-12794 > Project: Hadoop Common > Issue Type: Improvement > Components: io > Affects Versions: 2.7.2 > Reporter: Ravi Mutyala > Assignee: Ravi Mutyala > Attachments: HADOOP-12794.0001.patch > > > gzip supports compression levels 1-9. Compression level 4 seems to give best compression per CPU time in some of our tests. Right now ZlibCompressor that is used by GzipCodec only supports levels 1,9 and six (default). > Adding all the compression levels that are supported by native ZlibCompressor > can provide more options to tweak compression levels. -- This message was sent by Atlassian JIRA (v6.3.4#6332)