Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 2599A2004F5 for ; Sat, 12 Aug 2017 07:40:04 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 21D5A16D81E; Sat, 12 Aug 2017 05:40:04 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 67BB516D818 for ; Sat, 12 Aug 2017 07:40:03 +0200 (CEST) Received: (qmail 5951 invoked by uid 500); 12 Aug 2017 05:40:02 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 5940 invoked by uid 99); 12 Aug 2017 05:40:02 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 12 Aug 2017 05:40:02 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id 14CA9C05FC for ; Sat, 12 Aug 2017 05:40:02 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-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 (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id VhlYdoz8tSsC for ; Sat, 12 Aug 2017 05:40:01 +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 F3C735FE21 for ; Sat, 12 Aug 2017 05:40:00 +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 8ADC4E0373 for ; Sat, 12 Aug 2017 05:40:00 +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 40E5124189 for ; Sat, 12 Aug 2017 05:40:00 +0000 (UTC) Date: Sat, 12 Aug 2017 05:40:00 +0000 (UTC) From: "John Zhuge (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Comment Edited] (HDFS-11303) Hedged read might hang infinitely if read data from all DN failed MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Sat, 12 Aug 2017 05:40:04 -0000 [ https://issues.apache.org/jira/browse/HDFS-11303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16124426#comment-16124426 ] John Zhuge edited comment on HDFS-11303 at 8/12/17 5:39 AM: ------------------------------------------------------------ Committed to trunk. Committing to branch-2 once YARN-7002 is fixed. Thanks [~zhangchen] for discovering the issue and contributing a fix, [~jojochuang] for the review and the contribution. was (Author: jzhuge): Committed to trunk. Will commit to branch-2 and branch-2.8 once YARN-7002 is fixed. Thanks [~zhangchen] for discovering the issue and contributing a fix, [~jojochuang] for the review and the contribution. > Hedged read might hang infinitely if read data from all DN failed > ------------------------------------------------------------------ > > Key: HDFS-11303 > URL: https://issues.apache.org/jira/browse/HDFS-11303 > Project: Hadoop HDFS > Issue Type: Bug > Components: hdfs-client > Affects Versions: 3.0.0-alpha1 > Reporter: Chen Zhang > Assignee: Chen Zhang > Fix For: 2.9.0, 3.0.0-beta1 > > Attachments: HDFS-11303-001.patch, HDFS-11303-001.patch, HDFS-11303-002.patch, HDFS-11303-002.patch, HDFS-11303.003.patch, HDFS-11303.004.patch, HDFS-11303.005.patch > > > Hedged read will read from a DN first, if timeout, then read other DNs simultaneously. > If read all DN failed, this bug will cause the future-list not empty(the first timeout request left in list), and hang in the loop infinitely -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org