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From "Lei (Eddy) Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12840) Creating a replicated file in a EC zone does not correctly serialized in EditLogs
Date Tue, 21 Nov 2017 06:47:01 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12840?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lei (Eddy) Xu updated HDFS-12840:
---------------------------------
    Status: Patch Available  (was: Open)

> Creating a replicated file in a EC zone does not correctly serialized in EditLogs
> ---------------------------------------------------------------------------------
>
>                 Key: HDFS-12840
>                 URL: https://issues.apache.org/jira/browse/HDFS-12840
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: erasure-coding
>    Affects Versions: 3.0.0-beta1
>            Reporter: Lei (Eddy) Xu
>            Assignee: Lei (Eddy) Xu
>            Priority: Blocker
>         Attachments: HDFS-12840.00.patch, HDFS-12840.reprod.patch
>
>
> When create a replicated file in an existing EC zone, the edit logs does not differentiate
it from an EC file. When {{FSEditLogLoader}} to replay edits, this file is treated as EC file,
as a results, it crashes the NN because the blocks of this file are replicated, which does
not match with {{INode}}.
> {noformat}
> ERROR org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader: Encountered exception on
operation AddBlockOp [path=/system/balancer.id, penultimateBlock=NULL, lastBlock=blk_1073743259_2455,
RpcClientId=, RpcCallId=-2]
> java.lang.IllegalArgumentException: reportedBlock is not striped
> 	at com.google.common.base.Preconditions.checkArgument(Preconditions.java:88)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoStriped.addStorage(BlockInfoStriped.java:118)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo.addBlock(DatanodeStorageInfo.java:256)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.addStoredBlock(BlockManager.java:3141)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.addStoredBlockUnderConstruction(BlockManager.java:3068)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processAndHandleReportedBlock(BlockManager.java:3864)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processQueuedMessages(BlockManager.java:2916)
> 	at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processQueuedMessagesForBlock(BlockManager.java:2903)
> 	at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.addNewBlock(FSEditLogLoader.java:1069)
> 	at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.applyEditLogOp(FSEditLogLoader.java:532)
> 	at org.apache.hadoop.hdfs.server.namenode.FSEditLogLoader.loadEditRecords(FSEditLogLoader.java:249)
> 	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)
> {noformat}



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