From hdfs-issues-return-223787-archive-asf-public=cust-asf.ponee.io@hadoop.apache.org Wed Jun 13 13:40:07 2018 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id C891B180609 for ; Wed, 13 Jun 2018 13:40:06 +0200 (CEST) Received: (qmail 38611 invoked by uid 500); 13 Jun 2018 11:40:05 -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 38600 invoked by uid 99); 13 Jun 2018 11:40:05 -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; Wed, 13 Jun 2018 11:40:05 +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 3B613C036A for ; Wed, 13 Jun 2018 11:40:05 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -109.501 X-Spam-Level: X-Spam-Status: No, score=-109.501 tagged_above=-999 required=6.31 tests=[ENV_AND_HDR_SPF_MATCH=-0.5, KAM_ASCII_DIVIDERS=0.8, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, USER_IN_DEF_SPF_WL=-7.5, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id gJc1WlXgTubK for ; Wed, 13 Jun 2018 11:40:03 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTP id DBBCB5FBA3 for ; Wed, 13 Jun 2018 11:40:02 +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 75A53E0EEE for ; Wed, 13 Jun 2018 11:40:01 +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 76FE621207 for ; Wed, 13 Jun 2018 11:40:00 +0000 (UTC) Date: Wed, 13 Jun 2018 11:40:00 +0000 (UTC) From: "Rohith Sharma K S (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-13596) NN restart fails after RollingUpgrade from 2.x to 3.x MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HDFS-13596?page=3Dcom.atlassian= .jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D1651= 0975#comment-16510975 ]=20 Rohith Sharma K S commented on HDFS-13596: ------------------------------------------ Thanks [~hanishakoneru] for reporting this. I do see this error while rolli= ng upgrade testing Hadoop cluster. Especially creating a file while rolling= upgrade is in progress and finalizing the upgrade on upgraded version. Thi= s blocks rolling upgrade functionality.=20 I am bumping the JIRA to blocker as it blocks rolling upgrade. > NN restart fails after RollingUpgrade from 2.x to 3.x > ----------------------------------------------------- > > Key: HDFS-13596 > URL: https://issues.apache.org/jira/browse/HDFS-13596 > Project: Hadoop HDFS > Issue Type: Bug > Components: hdfs > Reporter: Hanisha Koneru > Priority: Critical > > After rollingUpgrade NN from 2.x and 3.x,=C2=A0if the NN is restarted, it= fails while replaying edit logs. > * After NN is started with rollingUpgrade, the layoutVersion written to = editLogs (before finalizing the upgrade) is the pre-upgrade layout version = (so as to support downgrade). > * When writing transactions to log, NN writes as per the current layout = version. In 3.x, erasureCoding bits are added to the editLog transactions. > * So any edit log written after the upgrade and before finalizing the up= grade will have the old layout version but the new format of transactions. > * When NN is restarted and the edit logs are replayed, the NN reads the = old layout version from the editLog file. When parsing the transactions, it= assumes that the transactions are also from the previous layout and hence = skips parsing the erasureCoding bits. > * This cascades into reading the wrong set of bits for other fields and = leads to NN shutting down. > Sample error output: > {code:java} > java.lang.IllegalArgumentException: Invalid clientId - length is 0 expect= ed length 16 > at com.google.common.base.Preconditions.checkArgument(Preconditions.java= :88) > at org.apache.hadoop.ipc.RetryCache$CacheEntry.(RetryCache.java:74= ) > at org.apache.hadoop.ipc.RetryCache$CacheEntry.(RetryCache.java:86= ) > at org.apache.hadoop.ipc.RetryCache$CacheEntryWithPayload.(RetryCa= che.java:163) > at org.apache.hadoop.ipc.RetryCache.addCacheEntryWithPayload(RetryCache.= java:322) > at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.addCacheEntryWith= Payload(FSNamesystem.java:960) > at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.applyEditLogOp= (FSEditLogLoader.java:397) > at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadEditRecord= s(FSEditLogLoader.java:249) > at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadFSEdits(FS= EditLogLoader.java:158) > at org.apache.hadoop.hdfs.server.namenode.FSImage.loadEdits(FSImage.java= :888) > at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.ja= va:745) > at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(= FSImage.java:323) > at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNam= esystem.java:1086) > at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNa= mesystem.java:714) > at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNo= de.java:632) > at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.j= ava:694) > at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:= 937) > at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:= 910) > at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNo= de.java:1643) > at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:17= 10) > 2018-05-17 19:10:06,522 WARN org.apache.hadoop.hdfs.server.namenode.FSNam= esystem: Encountered exception loading fsimage > java.io.IOException: java.lang.IllegalStateException: Cannot skip to less= than the current value (=3D16389), where newValue=3D16388 > at org.apache.hadoop.hdfs.server.namenode.FSDirectory.resetLastInodeId(F= SDirectory.java:1945) > at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadEditRecord= s(FSEditLogLoader.java:298) > at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadFSEdits(FS= EditLogLoader.java:158) > at org.apache.hadoop.hdfs.server.namenode.FSImage.loadEdits(FSImage.java= :888) > at org.apache.hadoop.hdfs.server.namenode.FSImage.loadFSImage(FSImage.ja= va:745) > at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(= FSImage.java:323) > at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNam= esystem.java:1086) > at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNa= mesystem.java:714) > at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNo= de.java:632) > at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.j= ava:694) > at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:= 937) > at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:= 910) > at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNo= de.java:1643) > at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:17= 10) > Caused by: java.lang.IllegalStateException: Cannot skip to less than the = current value (=3D16389), where newValue=3D16388 > at org.apache.hadoop.util.SequentialNumber.skipTo(SequentialNumber.java:= 58) > at org.apache.hadoop.hdfs.server.namenode.FSDirectory.resetLastInodeId(F= SDirectory.java:1943) > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org