[jira] [Resolved] (HDFS-17051) Fix wrong time util in TestFileAppend4#recoverFile

[Zhaohui Wang (Jira)]

 [ 
https://issues.apache.org/jira/browse/HDFS-17051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Zhaohui Wang resolved HDFS-17051.
-
Resolution: Fixed

> Fix wrong time util in TestFileAppend4#recoverFile
> --
>
> Key: HDFS-17051
> URL: https://issues.apache.org/jira/browse/HDFS-17051
> Project: Hadoop HDFS
>  Issue Type: Improvement
>Reporter: Zhaohui Wang
>Assignee: Zhaohui Wang
>Priority: Minor
>  Labels: pull-request-available
>




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Re: [VOTE] Release Apache Hadoop 3.3.6 RC0

[Wei-Chiu Chuang]

Overall so far so good.

hadoop-api-shim:
built, tested successfully.

cloudstore:
built successfully.

Spark:
built successfully. Passed hadoop-cloud tests.

Ozone:
One test failure due to unrelated Ozone issue. This test is being disabled
in the latest Ozone code.

org.apache.hadoop.hdds.utils.NativeLibraryNotLoadedException: Unable
to load library ozone_rocksdb_tools from both java.library.path &
resource file libozone_rocksdb_t
ools.so from jar.
at 
org.apache.hadoop.hdds.utils.db.managed.ManagedSSTDumpTool.(ManagedSSTDumpTool.java:49)


Google gcs:
There are two test failures. The tests were added recently by HADOOP-18724
 in Hadoop 3.3.6. This
is okay. Not production code problem. Can be addressed in GCS code.

[ERROR] Errors:
[ERROR]
TestInMemoryGoogleContractOpen>AbstractContractOpenTest.testFloatingPointLength:403
» IllegalArgument Unknown mandatory key for gs://fake-in-memory-test-buck
et/contract-test/testFloatingPointLength "fs.option.openfile.length"
[ERROR]
TestInMemoryGoogleContractOpen>AbstractContractOpenTest.testOpenFileApplyAsyncRead:341
» IllegalArgument Unknown mandatory key for gs://fake-in-memory-test-b
ucket/contract-test/testOpenFileApplyAsyncRead "fs.option.openfile.length"





On Wed, Jun 14, 2023 at 5:01 PM Wei-Chiu Chuang  wrote:

> The hbase-filesystem tests passed after reverting HADOOP-18596
>  and HADOOP-18633
>  from my local tree.
> So I think it's a matter of the default behavior being changed. It's not
> the end of the world. I think we can address it by adding an incompatible
> change flag and a release note.
>
> On Wed, Jun 14, 2023 at 3:55 PM Wei-Chiu Chuang 
> wrote:
>
>> Cross referenced git history and jira. Changelog needs some update
>>
>> Not in the release
>>
>>1. HDFS-16858 
>>
>>
>>1. HADOOP-18532 
>>2.
>>   1. HDFS-16861 
>>  2.
>> 1. HDFS-16866
>> 
>> 2.
>>1. HADOOP-18320
>>
>>2.
>>
>> Updated fixed version. Will generate. new Changelog in the next RC.
>>
>> Was able to build HBase and hbase-filesystem without any code change.
>>
>> hbase has one unit test failure. This one is reproducible even with
>> Hadoop 3.3.5, so maybe a red herring. Local env or something.
>>
>> [ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed:
>> 9.007 s <<< FAILURE! - in
>> org.apache.hadoop.hbase.regionserver.TestSyncTimeRangeTracker
>> [ERROR]
>> org.apache.hadoop.hbase.regionserver.TestSyncTimeRangeTracker.testConcurrentIncludeTimestampCorrectness
>>  Time elapsed: 3.13 s  <<< ERROR!
>> java.lang.OutOfMemoryError: Java heap space
>> at
>> org.apache.hadoop.hbase.regionserver.TestSyncTimeRangeTracker$RandomTestData.(TestSyncTimeRangeTracker.java:91)
>> at
>> org.apache.hadoop.hbase.regionserver.TestSyncTimeRangeTracker.testConcurrentIncludeTimestampCorrectness(TestSyncTimeRangeTracker.java:156)
>>
>> hbase-filesystem has three test failures in TestHBOSSContractDistCp, and
>> is not reproducible with Hadoop 3.3.5.
>> [ERROR] Failures: [ERROR]
>> TestHBOSSContractDistCp>AbstractContractDistCpTest.testDistCpUpdateCheckFileSkip:976->Assert.fail:88
>> 10 errors in file of length 10
>> [ERROR]
>> TestHBOSSContractDistCp>AbstractContractDistCpTest.testUpdateDeepDirectoryStructureNoChange:270->AbstractContractDistCpTest.assertCounterInRange:290->Assert.assertTrue:41->Assert.fail:88
>> Files Skipped value 0 too below minimum 1
>> [ERROR]
>> TestHBOSSContractDistCp>AbstractContractDistCpTest.testUpdateDeepDirectoryStructureToRemote:259->AbstractContractDistCpTest.distCpUpdateDeepDirectoryStructure:334->AbstractContractDistCpTest.assertCounterInRange:294->Assert.assertTrue:41->Assert.fail:88
>> Files Copied value 2 above maximum 1
>> [INFO]
>> [ERROR] Tests run: 240, Failures: 3, Errors: 0, Skipped: 58
>>
>>
>> Ozone
>> test in progress. Will report back.
>>
>>
>> On Tue, Jun 13, 2023 at 11:27 PM Wei-Chiu Chuang 
>> wrote:
>>
>>> I am inviting anyone to try and vote on this release candidate.
>>>
>>> Note:
>>> This is built off branch-3.3.6 plus PR#5741 (aws sdk update) and PR#5740
>>> (LICENSE file update)
>>>
>>> The RC is available at:
>>> https://home.apache.org/~weichiu/hadoop-3.3.6-RC0-amd64/ (for amd64)
>>> https://home.apache.org/~weichiu/hadoop-3.3.6-RC0-arm64/ (for arm64)
>>>
>>> Git tag: release-3.3.6-RC0
>>> https://github.com/apache/hadoop/releases/tag/release-3.3.6-RC0
>>>
>>> Maven artifacts is built by x86 machine and are staged at
>>> https://repository.apache.org/content/repositories/orgapachehadoop-1378/
>>>
>>> My public key:
>>> 

Apache Hadoop qbt Report: trunk+JDK11 on Linux/x86_64

[Apache Jenkins Server]

For more details, see 
https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java11-linux-x86_64/505/

[Jun 13, 2023, 4:55:04 PM] (github) HDFS-17041. RBF: Fix putAll impl for mysql 
and file based state stores (#5723)
[Jun 14, 2023, 11:51:54 AM] (github) HADOOP-18756. S3A prefetch - 
CachingBlockManager to use AtomicBoolean for closed flag (#5718)
[Jun 14, 2023, 12:39:07 PM] (github) YARN-11429. Improve the 
updateTestDataAutomatically in TestRMWebServices. (#5736)
[Jun 14, 2023, 3:40:31 PM] (github) YARN-11504. [Addendum] [Federation] YARN 
Federation Supports Non-HA mode. (#5746)
[Jun 14, 2023, 5:53:56 PM] (github) HDFS-17030. Limit wait time for 
getHAServiceState in ObserverReaderProxy (#5700)
[Jun 14, 2023, 6:54:22 PM] (github) HDFS-17047. BlockManager#addStoredBlock 
should log storage id when AddBlockResult is REPLACED (#5742). Contributed by 
farmmamba.
[Jun 14, 2023, 7:30:04 PM] (github) HDFS-17045. File renamed from a 
snapshottable dir to a non-snapshottable dir cannot be deleted. (#5738)
[Jun 14, 2023, 7:39:41 PM] (github) HADOOP-18763. Upgrade aws-java-sdk to 
1.12.367 (#5741)




-1 overall


The following subsystems voted -1:
blanks hadolint mvnsite pathlen spotbugs unit xml


The following subsystems voted -1 but
were configured to be filtered/ignored:
cc checkstyle javac javadoc pylint shellcheck


The following subsystems are considered long running:
(runtime bigger than 1h  0m  0s)
unit


Specific tests:

XML :

   Parsing Error(s): 
   
hadoop-common-project/hadoop-common/src/test/resources/xml/external-dtd.xml 
   
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/nvidia-smi-output-excerpt.xml
 
   
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/nvidia-smi-output-missing-tags.xml
 
   
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/nvidia-smi-output-missing-tags2.xml
 
   
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/nvidia-smi-sample-output.xml
 
   
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/resources/fair-scheduler-invalid.xml
 
   
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/resources/yarn-site-with-invalid-allocation-file-ref.xml
 

spotbugs :

   module:hadoop-hdfs-project/hadoop-hdfs 
   Redundant nullcheck of oldLock, which is known to be non-null in 
org.apache.hadoop.hdfs.server.datanode.DataStorage.isPreUpgradableLayout(Storage$StorageDirectory))
 Redundant null check at DataStorage.java:is known to be non-null in 
org.apache.hadoop.hdfs.server.datanode.DataStorage.isPreUpgradableLayout(Storage$StorageDirectory))
 Redundant null check at DataStorage.java:[line 695] 
   Redundant nullcheck of metaChannel, which is known to be non-null in 
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.MappableBlockLoader.verifyChecksum(long,
 FileInputStream, FileChannel, String) Redundant null check at 
MappableBlockLoader.java:is known to be non-null in 
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.MappableBlockLoader.verifyChecksum(long,
 FileInputStream, FileChannel, String) Redundant null check at 
MappableBlockLoader.java:[line 138] 
   Redundant nullcheck of blockChannel, which is known to be non-null in 
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.MemoryMappableBlockLoader.load(long,
 FileInputStream, FileInputStream, String, ExtendedBlockId) Redundant null 
check at MemoryMappableBlockLoader.java:is known to be non-null in 
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.MemoryMappableBlockLoader.load(long,
 FileInputStream, FileInputStream, String, ExtendedBlockId) Redundant null 
check at MemoryMappableBlockLoader.java:[line 75] 
   Redundant nullcheck of blockChannel, which is known to be non-null in 
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.NativePmemMappableBlockLoader.load(long,
 FileInputStream, FileInputStream, String, ExtendedBlockId) Redundant null 
check at NativePmemMappableBlockLoader.java:is known to be non-null in 
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.NativePmemMappableBlockLoader.load(long,
 FileInputStream, FileInputStream, String, ExtendedBlockId) Redundant null 
check at NativePmemMappableBlockLoader.java:[line 85] 
   Redundant nullcheck of metaChannel, which is known to be non-null in 
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.NativePmemMappableBlockLoader.verifyChecksumAndMapBlock(NativeIO$POSIX$$PmemMappedRegion,,
 long, FileInputStream, FileChannel, String) Redundant null check at 
NativePmemMappableBlockLoader.java:is known to be non-null in 
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.NativePmemMappableBlockLoader.verifyChecksumAndMapBlock(NativeIO$POSIX$$PmemMappedRegion,,
 long, 

Apache Hadoop qbt Report: branch-2.10+JDK7 on Linux/x86_64

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For more details, see 
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No changes


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[jira] [Resolved] (HDFS-17042) Add rpcCallSuccesses and OverallRpcProcessingTime to RpcMetrics for Namenode

[Jira]

 [ 
https://issues.apache.org/jira/browse/HDFS-17042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Íñigo Goiri resolved HDFS-17042.

Fix Version/s: 3.4.0
 Hadoop Flags: Reviewed
   Resolution: Fixed

> Add rpcCallSuccesses and OverallRpcProcessingTime to RpcMetrics for Namenode
> 
>
> Key: HDFS-17042
> URL: https://issues.apache.org/jira/browse/HDFS-17042
> Project: Hadoop HDFS
>  Issue Type: Improvement
>  Components: hdfs
>Affects Versions: 3.4.0, 3.3.9
>Reporter: Xing Lin
>Assignee: Xing Lin
>Priority: Major
>  Labels: pull-request-available
> Fix For: 3.4.0
>
>
> We'd like to add two new types of metrics to the existing NN 
> RpcMetrics/RpcDetailedMetrics. These two metrics can then be used as part of 
> SLA/SLO for the HDFS service.
>  * {_}RpcCallSuccesses{_}: it measures the number of RPC requests where they 
> are successfully processed by a NN (e.g., with a response with an RpcStatus 
> {_}RpcStatusProto.SUCCESS){_}{_}.{_} Then, together with {_}RpcQueueNumOps 
> ({_}which refers the total number of RPC requests{_}){_}, we can derive the 
> RpcErrorRate for our NN, as (RpcQueueNumOps - RpcCallSuccesses) / 
> RpcQueueNumOps. 
>  * OverallRpcProcessingTime for each RPC method: this metric measures the 
> overall RPC processing time for each RPC method at the NN. It covers the time 
> from when a request arrives at the NN to when a response is sent back. We are 
> already emitting processingTime for each RPC method today in 
> RpcDetailedMetrics. We want to extend it to emit overallRpcProcessingTime for 
> each RPC method, which includes enqueueTime, queueTime, processingTime, 
> responseTime, and handlerTime.
>  



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Apache Hadoop qbt Report: trunk+JDK8 on Linux/x86_64

[Apache Jenkins Server]

For more details, see 
https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java8-linux-x86_64/1258/

[Jun 14, 2023, 11:51:54 AM] (github) HADOOP-18756. S3A prefetch - 
CachingBlockManager to use AtomicBoolean for closed flag (#5718)
[Jun 14, 2023, 12:39:07 PM] (github) YARN-11429. Improve the 
updateTestDataAutomatically in TestRMWebServices. (#5736)
[Jun 14, 2023, 3:40:31 PM] (github) YARN-11504. [Addendum] [Federation] YARN 
Federation Supports Non-HA mode. (#5746)
[Jun 14, 2023, 5:53:56 PM] (github) HDFS-17030. Limit wait time for 
getHAServiceState in ObserverReaderProxy (#5700)
[Jun 14, 2023, 6:54:22 PM] (github) HDFS-17047. BlockManager#addStoredBlock 
should log storage id when AddBlockResult is REPLACED (#5742). Contributed by 
farmmamba.
[Jun 14, 2023, 7:30:04 PM] (github) HDFS-17045. File renamed from a 
snapshottable dir to a non-snapshottable dir cannot be deleted. (#5738)
[Jun 14, 2023, 7:39:41 PM] (github) HADOOP-18763. Upgrade aws-java-sdk to 
1.12.367 (#5741)




-1 overall


The following subsystems voted -1:
blanks hadolint pathlen unit xml


The following subsystems voted -1 but
were configured to be filtered/ignored:
cc checkstyle javac javadoc pylint shellcheck


The following subsystems are considered long running:
(runtime bigger than 1h  0m  0s)
unit


Specific tests:

XML :

   Parsing Error(s): 
   
hadoop-common-project/hadoop-common/src/test/resources/xml/external-dtd.xml 
   
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/nvidia-smi-output-excerpt.xml
 
   
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/nvidia-smi-output-missing-tags.xml
 
   
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/nvidia-smi-output-missing-tags2.xml
 
   
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/nvidia-smi-sample-output.xml
 
   
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/resources/fair-scheduler-invalid.xml
 
   
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/resources/yarn-site-with-invalid-allocation-file-ref.xml
 

Failed junit tests :

   hadoop.mapreduce.v2.TestUberAM 
   hadoop.mapreduce.v2.TestMRJobsWithProfiler 
   hadoop.mapreduce.v2.TestMRJobs 
   
hadoop.hdfs.server.federation.router.TestRouterRPCMultipleDestinationMountTableResolver
 
  

   cc:

  
https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java8-linux-x86_64/1258/artifact/out/results-compile-cc-root.txt
 [96K]

   javac:

  
https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java8-linux-x86_64/1258/artifact/out/results-compile-javac-root.txt
 [12K]

   blanks:

  
https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java8-linux-x86_64/1258/artifact/out/blanks-eol.txt
 [14M]
  
https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java8-linux-x86_64/1258/artifact/out/blanks-tabs.txt
 [2.0M]

   checkstyle:

  
https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java8-linux-x86_64/1258/artifact/out/results-checkstyle-root.txt
 [13M]

   hadolint:

  
https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java8-linux-x86_64/1258/artifact/out/results-hadolint.txt
 [20K]

   pathlen:

  
https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java8-linux-x86_64/1258/artifact/out/results-pathlen.txt
 [16K]

   pylint:

  
https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java8-linux-x86_64/1258/artifact/out/results-pylint.txt
 [20K]

   shellcheck:

  
https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java8-linux-x86_64/1258/artifact/out/results-shellcheck.txt
 [24K]

   xml:

  
https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java8-linux-x86_64/1258/artifact/out/xml.txt
 [24K]

   javadoc:

  
https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java8-linux-x86_64/1258/artifact/out/results-javadoc-javadoc-root.txt
 [244K]

   unit:

  
https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java8-linux-x86_64/1258/artifact/out/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-jobclient.txt
 [72K]
  
https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java8-linux-x86_64/1258/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs-rbf.txt
 [96K]

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Re: [VOTE] Release Apache Hadoop 3.3.6 RC0

[Wei-Chiu Chuang]

It's branching off branch-3.3

On Thu, Jun 15, 2023 at 3:18 AM Steve Loughran 
wrote:

> Which branch is -3.3.6 off? 3.3.5 or 3.3?
>
> I'm travelling for the next few days and unlikely to be able to test this;
> will do my best
>
> On Wed, 14 Jun 2023 at 07:27, Wei-Chiu Chuang  wrote:
>
> > I am inviting anyone to try and vote on this release candidate.
> >
> > Note:
> > This is built off branch-3.3.6 plus PR#5741 (aws sdk update) and PR#5740
> > (LICENSE file update)
> >
> > The RC is available at:
> > https://home.apache.org/~weichiu/hadoop-3.3.6-RC0-amd64/ (for amd64)
> > https://home.apache.org/~weichiu/hadoop-3.3.6-RC0-arm64/ (for arm64)
> >
> > Git tag: release-3.3.6-RC0
> > https://github.com/apache/hadoop/releases/tag/release-3.3.6-RC0
> >
> > Maven artifacts is built by x86 machine and are staged at
> > https://repository.apache.org/content/repositories/orgapachehadoop-1378/
> >
> > My public key:
> > https://dist.apache.org/repos/dist/release/hadoop/common/KEYS
> >
> > Changelog:
> > https://home.apache.org/~weichiu/hadoop-3.3.6-RC0-amd64/CHANGELOG.md
> >
> > Release notes:
> > https://home.apache.org/~weichiu/hadoop-3.3.6-RC0-amd64/RELEASENOTES.md
> >
> > This is a relatively small release (by Hadoop standard) containing about
> > 120 commits.
> > Please give it a try, this RC vote will run for 7 days.
> >
> >
> > Feature highlights:
> >
> > SBOM artifacts
> > 
> > Starting from this release, Hadoop publishes Software Bill of Materials
> > (SBOM) using
> > CycloneDX Maven plugin. For more information about SBOM, please go to
> > [SBOM](https://cwiki.apache.org/confluence/display/COMDEV/SBOM).
> >
> > HDFS RBF: RDBMS based token storage support
> > 
> > HDFS Router-Router Based Federation now supports storing delegation
> tokens
> > on MySQL,
> > [HADOOP-18535](https://issues.apache.org/jira/browse/HADOOP-18535)
> > which improves token operation through over the original Zookeeper-based
> > implementation.
> >
> >
> > New File System APIs
> > 
> > [HADOOP-18671](https://issues.apache.org/jira/browse/HADOOP-18671)
> moved a
> > number of
> > HDFS-specific APIs to Hadoop Common to make it possible for certain
> > applications that
> > depend on HDFS semantics to run on other Hadoop compatible file systems.
> >
> > In particular, recoverLease() and isFileClosed() are exposed through
> > LeaseRecoverable
> > interface. While setSafeMode() is exposed through SafeMode interface.
> >
>

Re: [VOTE] Release Apache Hadoop 3.3.6 RC0

[Steve Loughran]

Which branch is -3.3.6 off? 3.3.5 or 3.3?

I'm travelling for the next few days and unlikely to be able to test this;
will do my best

On Wed, 14 Jun 2023 at 07:27, Wei-Chiu Chuang  wrote:

> I am inviting anyone to try and vote on this release candidate.
>
> Note:
> This is built off branch-3.3.6 plus PR#5741 (aws sdk update) and PR#5740
> (LICENSE file update)
>
> The RC is available at:
> https://home.apache.org/~weichiu/hadoop-3.3.6-RC0-amd64/ (for amd64)
> https://home.apache.org/~weichiu/hadoop-3.3.6-RC0-arm64/ (for arm64)
>
> Git tag: release-3.3.6-RC0
> https://github.com/apache/hadoop/releases/tag/release-3.3.6-RC0
>
> Maven artifacts is built by x86 machine and are staged at
> https://repository.apache.org/content/repositories/orgapachehadoop-1378/
>
> My public key:
> https://dist.apache.org/repos/dist/release/hadoop/common/KEYS
>
> Changelog:
> https://home.apache.org/~weichiu/hadoop-3.3.6-RC0-amd64/CHANGELOG.md
>
> Release notes:
> https://home.apache.org/~weichiu/hadoop-3.3.6-RC0-amd64/RELEASENOTES.md
>
> This is a relatively small release (by Hadoop standard) containing about
> 120 commits.
> Please give it a try, this RC vote will run for 7 days.
>
>
> Feature highlights:
>
> SBOM artifacts
> 
> Starting from this release, Hadoop publishes Software Bill of Materials
> (SBOM) using
> CycloneDX Maven plugin. For more information about SBOM, please go to
> [SBOM](https://cwiki.apache.org/confluence/display/COMDEV/SBOM).
>
> HDFS RBF: RDBMS based token storage support
> 
> HDFS Router-Router Based Federation now supports storing delegation tokens
> on MySQL,
> [HADOOP-18535](https://issues.apache.org/jira/browse/HADOOP-18535)
> which improves token operation through over the original Zookeeper-based
> implementation.
>
>
> New File System APIs
> 
> [HADOOP-18671](https://issues.apache.org/jira/browse/HADOOP-18671) moved a
> number of
> HDFS-specific APIs to Hadoop Common to make it possible for certain
> applications that
> depend on HDFS semantics to run on other Hadoop compatible file systems.
>
> In particular, recoverLease() and isFileClosed() are exposed through
> LeaseRecoverable
> interface. While setSafeMode() is exposed through SafeMode interface.
>

[jira] [Created] (HDFS-17051) Fix wrong time util in TestFileAppend4#recoverFile

[Zhaohui Wang (Jira)]

Zhaohui Wang created HDFS-17051:
---

 Summary: Fix wrong time util in TestFileAppend4#recoverFile
 Key: HDFS-17051
 URL: https://issues.apache.org/jira/browse/HDFS-17051
 Project: Hadoop HDFS
  Issue Type: Improvement
Reporter: Zhaohui Wang






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