Return-Path: X-Original-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-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 6B00E11A5D for ; Wed, 25 Jun 2014 10:18:26 +0000 (UTC) Received: (qmail 39833 invoked by uid 500); 25 Jun 2014 10:18:26 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 39787 invoked by uid 500); 25 Jun 2014 10:18:26 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-issues@hadoop.apache.org Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 39773 invoked by uid 99); 25 Jun 2014 10:18:26 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 25 Jun 2014 10:18:26 +0000 Date: Wed, 25 Jun 2014 10:18:26 +0000 (UTC) From: "Liang Xie (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HDFS-6591) while loop is executed tens of thousands of times in Hedged Read 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/HDFS-6591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Liang Xie updated HDFS-6591: ---------------------------- Attachment: HDFS-6591.txt > while loop is executed tens of thousands of times in Hedged Read > ------------------------------------------------------------------ > > Key: HDFS-6591 > URL: https://issues.apache.org/jira/browse/HDFS-6591 > Project: Hadoop HDFS > Issue Type: Bug > Components: hdfs-client > Affects Versions: 2.4.0 > Reporter: LiuLei > Assignee: Liang Xie > Attachments: HDFS-6591.txt, LoopTooManyTimesTestCase.patch > > > I download hadoop-2.4.1-rc1 code from http://people.apache.org/~acmurthy/hadoop-2.4.1-rc1/, I test the Hedged Read. I find the while loop in hedgedFetchBlockByteRange method is executed tens of thousands of times. -- This message was sent by Atlassian JIRA (v6.2#6252)