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 C39EC19444 for ; Wed, 27 Apr 2016 06:50:13 +0000 (UTC) Received: (qmail 52467 invoked by uid 500); 27 Apr 2016 06:50:13 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 52388 invoked by uid 500); 27 Apr 2016 06:50:13 -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 52341 invoked by uid 99); 27 Apr 2016 06:50:13 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 27 Apr 2016 06:50:13 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 142E92C1F6E for ; Wed, 27 Apr 2016 06:50:13 +0000 (UTC) Date: Wed, 27 Apr 2016 06:50:13 +0000 (UTC) From: "Brahma Reddy Battula (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-10214) Checkpoint Can not be done by StandbyNameNode.Because checkpoint may cause DataNode blockReport.blockReceivedAndDeleted.heartbeat rpc timeout when the object num > 100000000. 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-10214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15259655#comment-15259655 ] Brahma Reddy Battula commented on HDFS-10214: --------------------------------------------- linked to duplicate jira ( HDFS-7097).. > Checkpoint Can not be done by StandbyNameNode.Because checkpoint may cause DataNode blockReport.blockReceivedAndDeleted.heartbeat rpc timeout when the object num > 100000000. > ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ > > Key: HDFS-10214 > URL: https://issues.apache.org/jira/browse/HDFS-10214 > Project: Hadoop HDFS > Issue Type: New Feature > Components: ha, namenode > Affects Versions: 2.5.0, 2.6.4 > Environment: 500 DataNode. > 137407265 files and directories, 129614074 blocks = 267021339 total filesystem object(s) > Reporter: ChenFolin > Fix For: 2.7.2 > > Original Estimate: 672h > Remaining Estimate: 672h > > The current Cluster status : > 137407265 files and directories, 129614074 blocks = 267021339 total filesystem object(s). > The checkpoint save namespace cost more than 5 min. > DataNode rpc timeout. > Standby NameNode skip the DataNode rpc request(because datanode rpc timeout , datanode close the socket channel). > There are many corrupt files when failover. > So, Checkpoint may be done by other component, not Standby NameNode. -- This message was sent by Atlassian JIRA (v6.3.4#6332)