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https://issues.apache.org/jira/browse/HDFS-12840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16277817#comment-16277817
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Lei (Eddy) Xu edited comment on HDFS-12840 at 12/5/17 12:44 AM:
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Thanks for the suggestions and reviews [~Sammi] and [~rakesh_r]
bq. TestOfflineEditsViewer.testStored is failing, is this related to the
patch?.
Please download {{editsStored.03}} with the patch, and place it to
{{./hadoop-hdfs-project/hadoop-hdfs/src/test/resources/editsStored}}.
bq. REPLICATION_POLICY_ID is defined in ErasureCodeConstants
Done
bq. TestRetryCacheWithHA, 40 instead of 41.
It was due to creating {{RS-6-3}} files sometimes failed with not enough DNs in
the tests. It seems flaky, and not relevant. Will file a new JIRA for it. I
removed creating file with default policy in the tests, as it is not relevant.
bq. Refactor: ecPolicyID => erasureCodingPolicyId ...
Done
Could you give another review, [~Sammi], [~rakesh_r] and [~xiaochen]
was (Author: eddyxu):
Thanks for the suggestions and reviews [~Sammi] and [~rakesh_r]
bq. TestOfflineEditsViewer.testStored is failing, is this related to the
patch?.
Please download {{editsStored.03}} with the patch, and place it to
{{./hadoop-hdfs-project/hadoop-hdfs/src/test/resources/editsStored}}.
bq. REPLICATION_POLICY_ID is defined in ErasureCodeConstants
Done
bq. TestRetryCacheWithHA, 40 instead of 41.
It was due to creating {{RS-6-3}} files sometimes failed with not enough DNs in
the tests. It seems flaky, and not relevant. Will file a new JIRA for it. I
removed creating file with default policy in the tests, as it is not relevant.
bq. Refactor: ecPolicyID => erasureCodingPolicyId ...
Done
Could you give another review, [~Sammi], [~rakesh_r] and [~xiaochen]
> 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
> Labels: hdfs-ec-3.0-must-do
> Attachments: HDFS-12840.00.patch, HDFS-12840.01.patch,
> HDFS-12840.02.patch, HDFS-12840.03.patch, HDFS-12840.reprod.patch,
> editsStored, editsStored, editsStored.03
>
>
> 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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