Return-Path: X-Original-To: apmail-hadoop-mapreduce-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-mapreduce-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 CE5ED18BA3 for ; Wed, 17 Jun 2015 14:09:01 +0000 (UTC) Received: (qmail 7801 invoked by uid 500); 17 Jun 2015 14:09:01 -0000 Delivered-To: apmail-hadoop-mapreduce-issues-archive@hadoop.apache.org Received: (qmail 7749 invoked by uid 500); 17 Jun 2015 14:09:01 -0000 Mailing-List: contact mapreduce-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: mapreduce-issues@hadoop.apache.org Delivered-To: mailing list mapreduce-issues@hadoop.apache.org Received: (qmail 7738 invoked by uid 99); 17 Jun 2015 14:09:01 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 17 Jun 2015 14:09:01 +0000 Date: Wed, 17 Jun 2015 14:09:01 +0000 (UTC) From: "Brahma Reddy Battula (JIRA)" To: mapreduce-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (MAPREDUCE-3384) Add warning message for underflow or overflow 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/MAPREDUCE-3384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Brahma Reddy Battula updated MAPREDUCE-3384: -------------------------------------------- Status: Patch Available (was: Open) > Add warning message for underflow or overflow > --------------------------------------------- > > Key: MAPREDUCE-3384 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-3384 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Reporter: JiangKai > Assignee: Brahma Reddy Battula > Attachments: MAPREDUCE-3384-002.patch, MAPREDUCE-3384-003.patch, MAPREDUCE-3384-004.patch, MAPREDUCE-3384.patch > > > When we call the function reduce() of LongSumReducer,the result may overflow or underflow. > We should have a warning message to users if overflow/underflow occurs for all these classes, > {code:xml} > /java/org/apache/hadoop/mapred/lib/LongSumReducer.java > .../apache/hadoop/mapreduce/lib/reduce/IntSumReducer.java > .../apache/hadoop/mapreduce/lib/reduce/LongSumReducer.java > .../test/java/org/apache/hadoop/fs/AccumulatingReducer.java > .../hadoop/mapred/nativetask/kvtest/HashSumReducer.java > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)