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Wei-Chiu Chuang commented on HDFS-12836: ---------------------------------------- Updated Affects Version/s based on the fix version of HDFS-10519 > startTxId could be greater than endTxId when tailing in-progress edit log > ------------------------------------------------------------------------- > > Key: HDFS-12836 > URL: https://issues.apache.org/jira/browse/HDFS-12836 > Project: Hadoop HDFS > Issue Type: Bug > Components: hdfs > Affects Versions: 3.0.0-alpha1 > Reporter: Chao Sun > Assignee: Chao Sun > > When {{dfs.ha.tail-edits.in-progress}} is true, edit log tailer will also > tail those in progress edit log segments. However, in the following code: > {code} > if (onlyDurableTxns && inProgressOk) { > endTxId = Math.min(endTxId, committedTxnId); > } > EditLogInputStream elis = EditLogFileInputStream.fromUrl( > connectionFactory, url, remoteLog.getStartTxId(), > endTxId, remoteLog.isInProgress()); > {code} > it is possible that {{remoteLog.getStartTxId()}} could be greater than > {{endTxId}}, and therefore will cause the following error: > {code} > 2017-11-17 19:55:41,165 ERROR org.apache.hadoop.hdfs.server.namenode.FSImage: > Error replaying edit log at offset 1048576. Expected transaction ID was 87 > Recent opcode offsets: 1048576 > org.apache.hadoop.hdfs.server.namenode.RedundantEditLogInputStream$PrematureEOFException: > got premature end-of-file at txid 86; expected file to go up to 85 > at > org.apache.hadoop.hdfs.server.namenode.RedundantEditLogInputStream.nextOp(RedundantEditLogInputStream.java:197) > at > org.apache.hadoop.hdfs.server.namenode.EditLogInputStream.readOp(EditLogInputStream.java:85) > at > org.apache.hadoop.hdfs.server.namenode.RedundantEditLogInputStream.nextOp(RedundantEditLogInputStream.java:189) > at > org.apache.hadoop.hdfs.server.namenode.EditLogInputStream.readOp(EditLogInputStream.java:85) > at > org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadEditRecords(FSEditLogLoader.java:205) > at > org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadFSEdits(FSEditLogLoader.java:158) > at > org.apache.hadoop.hdfs.server.namenode.FSImage.loadEdits(FSImage.java:882) > at > org.apache.hadoop.hdfs.server.namenode.FSImage.loadEdits(FSImage.java:863) > at > org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer.doTailEdits(EditLogTailer.java:293) > at > org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.doWork(EditLogTailer.java:427) > at > org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.access$400(EditLogTailer.java:380) > at > org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread$1.run(EditLogTailer.java:397) > at > org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:481) > at > org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.run(EditLogTailer.java:393) > 2017-11-17 19:55:41,165 WARN > org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer: Error while reading > edits from disk. Will try again. > org.apache.hadoop.hdfs.server.namenode.EditLogInputException: Error replaying > edit log at offset 1048576. Expected transaction ID was 87 > Recent opcode offsets: 1048576 > at > org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadEditRecords(FSEditLogLoader.java:218) > at > org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadFSEdits(FSEditLogLoader.java:158) > at > org.apache.hadoop.hdfs.server.namenode.FSImage.loadEdits(FSImage.java:882) > at > org.apache.hadoop.hdfs.server.namenode.FSImage.loadEdits(FSImage.java:863) > at > org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer.doTailEdits(EditLogTailer.java:293) > at > org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.doWork(EditLogTailer.java:427) > at > org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.access$400(EditLogTailer.java:380) > at > org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread$1.run(EditLogTailer.java:397) > at > org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:481) > at > org.apache.hadoop.hdfs.server.namenode.ha.EditLogTailer$EditLogTailerThread.run(EditLogTailer.java:393) > Caused by: > org.apache.hadoop.hdfs.server.namenode.RedundantEditLogInputStream$PrematureEOFException: > got premature end-of-file at txid 86; expected file to go up to 85 > at > org.apache.hadoop.hdfs.server.namenode.RedundantEditLogInputStream.nextOp(RedundantEditLogInputStream.java:197) > at > org.apache.hadoop.hdfs.server.namenode.EditLogInputStream.readOp(EditLogInputStream.java:85) > at > org.apache.hadoop.hdfs.server.namenode.RedundantEditLogInputStream.nextOp(RedundantEditLogInputStream.java:189) > at > org.apache.hadoop.hdfs.server.namenode.EditLogInputStream.readOp(EditLogInputStream.java:85) > at > org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadEditRecords(FSEditLogLoader.java:205) > ... 9 more > {code} -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org