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Posted to hdfs-dev@hadoop.apache.org by "Xiao Chen (JIRA)" <ji...@apache.org> on 2017/08/31 20:44:00 UTC
[jira] [Created] (HDFS-12383) Re-encryption updater should handle
canceled tasks
Xiao Chen created HDFS-12383:
--------------------------------
Summary: Re-encryption updater should handle canceled tasks
Key: HDFS-12383
URL: https://issues.apache.org/jira/browse/HDFS-12383
Project: Hadoop HDFS
Issue Type: Bug
Components: encryption
Affects Versions: 3.0.0-beta1
Reporter: Xiao Chen
Assignee: Xiao Chen
Seen an instance where the re-encryption updater exited due to an exception, and later tasks no longer executes. Logs below:
{noformat}
2017-08-31 09:54:08,104 INFO org.apache.hadoop.hdfs.server.namenode.EncryptionZoneManager: Zone /tmp/encryption-zone-3(16819) is submitted for re-encryption.
2017-08-31 09:54:08,104 INFO org.apache.hadoop.hdfs.server.namenode.ReencryptionHandler: Executing re-encrypt commands on zone 16819. Current zones:[zone:16787 state:Completed lastProcessed:null filesReencrypted:1 fileReencryptionFailures:0][zone:16813 state:Completed lastProcessed:null filesReencrypted:1 fileReencryptionFailures:0][zone:16819 state:Submitted lastProcessed:null filesReencrypted:0 fileReencryptionFailures:0]
2017-08-31 09:54:08,105 INFO org.apache.hadoop.hdfs.protocol.ReencryptionStatus: Zone 16819 starts re-encryption processing
2017-08-31 09:54:08,105 INFO org.apache.hadoop.hdfs.server.namenode.ReencryptionHandler: Re-encrypting zone /tmp/encryption-zone-3(id=16819)
2017-08-31 09:54:08,105 INFO org.apache.hadoop.hdfs.server.namenode.ReencryptionHandler: Submitted batch (start:/tmp/encryption-zone-3/data1, size:1) of zone 16819 to re-encrypt.
2017-08-31 09:54:08,105 INFO org.apache.hadoop.hdfs.server.namenode.ReencryptionHandler: Submission completed of zone 16819 for re-encryption.
2017-08-31 09:54:08,105 INFO org.apache.hadoop.hdfs.server.namenode.ReencryptionHandler: Processing batched re-encryption for zone 16819, batch size 1, start:/tmp/encryption-zone-3/data1
2017-08-31 09:54:08,979 INFO BlockStateChange: BLOCK* BlockManager: ask 172.26.1.71:20002 to delete [blk_1073742291_1467]
2017-08-31 09:54:18,295 INFO org.apache.hadoop.hdfs.server.namenode.ReencryptionUpdater: Cancelling 1 re-encryption tasks
2017-08-31 09:54:18,295 INFO org.apache.hadoop.hdfs.server.namenode.EncryptionZoneManager: Cancelled zone /tmp/encryption-zone-3(16819) for re-encryption.
2017-08-31 09:54:18,295 INFO org.apache.hadoop.hdfs.protocol.ReencryptionStatus: Zone 16819 completed re-encryption.
2017-08-31 09:54:18,296 INFO org.apache.hadoop.hdfs.server.namenode.ReencryptionHandler: Completed re-encrypting one batch of 1 edeks from KMS, time consumed: 10.19 s, start: /tmp/encryption-zone-3/data1.
2017-08-31 09:54:18,296 ERROR org.apache.hadoop.hdfs.server.namenode.ReencryptionUpdater: Re-encryption updater thread exiting.
java.util.concurrent.CancellationException
at java.util.concurrent.FutureTask.report(FutureTask.java:121)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at org.apache.hadoop.hdfs.server.namenode.ReencryptionUpdater.takeAndProcessTasks(ReencryptionUpdater.java:404)
at org.apache.hadoop.hdfs.server.namenode.ReencryptionUpdater.run(ReencryptionUpdater.java:250)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
{noformat}
Updater should be fixed to handle cancelled tasks.
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