From common-issues-return-142142-apmail-hadoop-common-issues-archive=hadoop.apache.org@hadoop.apache.org Mon Oct 2 01:45:09 2017 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 4E7B010015 for ; Mon, 2 Oct 2017 01:45:09 +0000 (UTC) Received: (qmail 32831 invoked by uid 500); 2 Oct 2017 01:45:09 -0000 Delivered-To: apmail-hadoop-common-issues-archive@hadoop.apache.org Received: (qmail 32541 invoked by uid 500); 2 Oct 2017 01:45:08 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 32518 invoked by uid 99); 2 Oct 2017 01:45:08 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 02 Oct 2017 01:45:08 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id 555BED7BF6 for ; Mon, 2 Oct 2017 01:45:08 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -99.202 X-Spam-Level: X-Spam-Status: No, score=-99.202 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id swyV1dvrvOyF for ; Mon, 2 Oct 2017 01:45:07 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id B6F495FC8A for ; Mon, 2 Oct 2017 01:45:06 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 3B0FDE0C21 for ; Mon, 2 Oct 2017 01:45:06 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id B3156242C1 for ; Mon, 2 Oct 2017 01:45:02 +0000 (UTC) Date: Mon, 2 Oct 2017 01:45:02 +0000 (UTC) From: "Hudson (JIRA)" To: common-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HADOOP-3) Output directories are not cleaned up before the reduces run 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-3?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16187624#comment-16187624 ] Hudson commented on HADOOP-3: ----------------------------- SUCCESS: Integrated in Jenkins build HBase-1.2-JDK8 #224 (See [https://builds.apache.org/job/HBase-1.2-JDK8/224/]) HBASE-17441 Fix invalid quoting around hadoop-3 build in yetus (busbey: rev 54ecaa94e4beb0b6d3a08de4b138fe193a804017) * (edit) dev-support/hbase-personality.sh > Output directories are not cleaned up before the reduces run > ------------------------------------------------------------ > > Key: HADOOP-3 > URL: https://issues.apache.org/jira/browse/HADOOP-3 > Project: Hadoop Common > Issue Type: Bug > Affects Versions: 0.1.0 > Reporter: Owen O'Malley > Assignee: Owen O'Malley > Priority: Minor > Fix For: 0.1.0 > > Attachments: clean-out-dir.patch, noclobber.patch > > > The output directory for the reduces is not cleaned up and therefore if you can see left overs from previous runs, if they had more reduces. For example, if you run the application once with reduces=10 and then rerun with reduces=8, your output directory will have frag00000 to frag00009 with the first 8 fragments from the second run and the last 2 fragments from the first run. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: common-issues-help@hadoop.apache.org