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https://issues.apache.org/jira/browse/HDFS-15643?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17223720#comment-17223720
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Ahmed Hussein edited comment on HDFS-15643 at 10/30/20, 4:16 PM:
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{quote}I tried the patch in https://github.com/apache/hadoop/pull/2421/files
but it failed.{quote}
I have a little bit bad feeling about that. I suspect there is something else
somewhere that needs fixing.
was (Author: ahussein):
{quote}I tried the patch in https://github.com/apache/hadoop/pull/2421/files
but it failed.{quote}
I have a little bit bad feeling about that. I am suspicious there is something
else somewhere that needs fixing.
> EC: Fix checksum computation in case of native encoders
> -------------------------------------------------------
>
> Key: HDFS-15643
> URL: https://issues.apache.org/jira/browse/HDFS-15643
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Ahmed Hussein
> Assignee: Ahmed Hussein
> Priority: Blocker
> Labels: pull-request-available
> Attachments: HDFS-15643-01.patch, Test-Fix-01.patch,
> TestFileChecksum.testStripedFileChecksumWithMissedDataBlocksRangeQuery17.log,
> org.apache.hadoop.hdfs.TestFileChecksum-output.txt,
> org.apache.hadoop.hdfs.TestFileChecksum.txt
>
> Time Spent: 3h 50m
> Remaining Estimate: 0h
>
> There are many failures in {{TestFileChecksumCompositeCrc}}. The test cases
> {{testStripedFileChecksumWithMissedDataBlocksRangeQueryXX}} fail. The
> following is a sample of the stack trace in two of them Query7 and Query8.
> {code:bash}
> org.apache.hadoop.fs.PathIOException: `/striped/stripedFileChecksum1': Fail
> to get block checksum for
> LocatedStripedBlock{BP-1812707539-172.17.0.3-1602771351154:blk_-9223372036854775792_1001;
> getBlockSize()=37748736; corrupt=false; offset=0;
> locs=[DatanodeInfoWithStorage[127.0.0.1:36687,DS-b00139f0-4f28-4870-8f72-b726bd339e23,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:36303,DS-49a3c58e-da4a-4256-b1f9-893e4003ec94,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:43975,DS-ac278858-b6c8-424f-9e20-58d718dabe31,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:37507,DS-17f9d8d8-f8d3-443b-8df7-29416a2f5cb0,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:36441,DS-7e9d19b5-6220-465f-b33e-f8ed0e60fb07,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:42555,DS-ce679f5e-19fe-45b0-a0cd-8d8bec2f4735,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:39093,DS-4a7f54bb-dd39-4b5b-8dee-31a1b565cd7f,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:41699,DS-e1f939f3-37e7-413e-a522-934243477d81,DISK]];
> indices=[1, 2, 3, 4, 5, 6, 7, 8]}
> at
> org.apache.hadoop.hdfs.FileChecksumHelper$StripedFileNonStripedChecksumComputer.checksumBlocks(FileChecksumHelper.java:640)
> at
> org.apache.hadoop.hdfs.FileChecksumHelper$FileChecksumComputer.compute(FileChecksumHelper.java:252)
> at
> org.apache.hadoop.hdfs.DFSClient.getFileChecksumInternal(DFSClient.java:1851)
> at
> org.apache.hadoop.hdfs.DFSClient.getFileChecksumWithCombineMode(DFSClient.java:1871)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$34.doCall(DistributedFileSystem.java:1902)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$34.doCall(DistributedFileSystem.java:1899)
> at
> org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.getFileChecksum(DistributedFileSystem.java:1916)
> at
> org.apache.hadoop.hdfs.TestFileChecksum.getFileChecksum(TestFileChecksum.java:584)
> at
> org.apache.hadoop.hdfs.TestFileChecksum.testStripedFileChecksumWithMissedDataBlocksRangeQuery(TestFileChecksum.java:295)
> at
> org.apache.hadoop.hdfs.TestFileChecksum.testStripedFileChecksumWithMissedDataBlocksRangeQuery7(TestFileChecksum.java:377)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.lang.Thread.run(Thread.java:748)
> {code}
>
> {code:bash}
> Error Message
> `/striped/stripedFileChecksum1': Fail to get block checksum for
> LocatedStripedBlock{BP-1299291876-172.17.0.3-1602771356932:blk_-9223372036854775792_1001;
> getBlockSize()=37748736; corrupt=false; offset=0;
> locs=[DatanodeInfoWithStorage[127.0.0.1:42217,DS-6c29e4b7-e4f1-4302-ad23-fb078f37d783,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:41307,DS-3d824f14-3cd0-46b1-bef1-caa808bf278d,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:37193,DS-eeb44ff5-fdf1-4774-b6cf-5be7c40147a9,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:39897,DS-36d2fbfc-64bc-405c-8360-735f1ad92e30,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:35545,DS-6fd42817-efea-416e-92fb-3e9034705142,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:39945,DS-501deff8-b6df-4cf0-9ac1-154a4253eec8,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:41359,DS-9b0449f5-377b-4a76-9eb6-0bcf2984b4bb,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:36123,DS-4184ab4a-079d-4b1c-a8cb-2ba22b0baafb,DISK]];
> indices=[0, 1, 2, 3, 4, 6, 7, 8]}
> Stacktrace
> org.apache.hadoop.fs.PathIOException: `/striped/stripedFileChecksum1': Fail
> to get block checksum for
> LocatedStripedBlock{BP-1299291876-172.17.0.3-1602771356932:blk_-9223372036854775792_1001;
> getBlockSize()=37748736; corrupt=false; offset=0;
> locs=[DatanodeInfoWithStorage[127.0.0.1:42217,DS-6c29e4b7-e4f1-4302-ad23-fb078f37d783,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:41307,DS-3d824f14-3cd0-46b1-bef1-caa808bf278d,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:37193,DS-eeb44ff5-fdf1-4774-b6cf-5be7c40147a9,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:39897,DS-36d2fbfc-64bc-405c-8360-735f1ad92e30,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:35545,DS-6fd42817-efea-416e-92fb-3e9034705142,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:39945,DS-501deff8-b6df-4cf0-9ac1-154a4253eec8,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:41359,DS-9b0449f5-377b-4a76-9eb6-0bcf2984b4bb,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:36123,DS-4184ab4a-079d-4b1c-a8cb-2ba22b0baafb,DISK]];
> indices=[0, 1, 2, 3, 4, 6, 7, 8]}
> at
> org.apache.hadoop.hdfs.FileChecksumHelper$StripedFileNonStripedChecksumComputer.checksumBlocks(FileChecksumHelper.java:640)
> at
> org.apache.hadoop.hdfs.FileChecksumHelper$FileChecksumComputer.compute(FileChecksumHelper.java:252)
> at
> org.apache.hadoop.hdfs.DFSClient.getFileChecksumInternal(DFSClient.java:1851)
> at
> org.apache.hadoop.hdfs.DFSClient.getFileChecksumWithCombineMode(DFSClient.java:1871)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$34.doCall(DistributedFileSystem.java:1902)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$34.doCall(DistributedFileSystem.java:1899)
> at
> org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.getFileChecksum(DistributedFileSystem.java:1916)
> at
> org.apache.hadoop.hdfs.TestFileChecksum.getFileChecksum(TestFileChecksum.java:584)
> at
> org.apache.hadoop.hdfs.TestFileChecksum.testStripedFileChecksumWithMissedDataBlocksRangeQuery(TestFileChecksum.java:295)
> at
> org.apache.hadoop.hdfs.TestFileChecksum.testStripedFileChecksumWithMissedDataBlocksRangeQuery8(TestFileChecksum.java:388)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.lang.Thread.run(Thread.java:748)
> {code}
>
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