[jira] [Created] (HDFS-12898) Ozone: TestSCMCli#testHelp and TestSCMCli#testListContainerCommand fail consistently
Shashikant Banerjee created HDFS-12898: -- Summary: Ozone: TestSCMCli#testHelp and TestSCMCli#testListContainerCommand fail consistently Key: HDFS-12898 URL: https://issues.apache.org/jira/browse/HDFS-12898 Project: Hadoop HDFS Issue Type: Sub-task Components: HDFS-7240 Reporter: Shashikant Banerjee Assignee: Shashikant Banerjee The help msg for SCMCl commands has been modified with HDFS-12588. SCMCLI tests need to be modified accordingly. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org
[jira] [Created] (HDFS-12899) Ozone: SCM: BlockManagerImpl close is called twice during StorageContainerManager#stop
Nanda kumar created HDFS-12899:
--
Summary: Ozone: SCM: BlockManagerImpl close is called twice during
StorageContainerManager#stop
Key: HDFS-12899
URL: https://issues.apache.org/jira/browse/HDFS-12899
Project: Hadoop HDFS
Issue Type: Sub-task
Components: ozone
Reporter: Nanda kumar
Assignee: Nanda kumar
As part of {{StorageContainerManager#stop}}, we are calling
{{scmBlockManager#stop}} which will internally do {{BlockManagerImpl#close}}
and again explicitly we are calling {{scmBlockManager#close}} using
{{IOUtils.cleanupWithLogger(LOG, scmBlockManager)}}. This causes
{{RocksDBStore#close}} to be called twice which inturn does
{{MBeans#unregister}} twice, resulting in the following exception trace (WARN)
during the second call
{noformat}
2017-12-06 22:30:06,316 [main] WARN util.MBeans (MBeans.java:unregister(137))
- Error unregistering Hadoop:service=Ozone,name=RocksDbStore,dbName=block.db
javax.management.InstanceNotFoundException:
Hadoop:service=Ozone,name=RocksDbStore,dbName=block.db
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getMBean(DefaultMBeanServerInterceptor.java:1095)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.exclusiveUnregisterMBean(DefaultMBeanServerInterceptor.java:427)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.unregisterMBean(DefaultMBeanServerInterceptor.java:415)
at
com.sun.jmx.mbeanserver.JmxMBeanServer.unregisterMBean(JmxMBeanServer.java:546)
at org.apache.hadoop.metrics2.util.MBeans.unregister(MBeans.java:135)
at org.apache.hadoop.utils.RocksDBStore.close(RocksDBStore.java:368)
at
org.apache.hadoop.ozone.scm.block.BlockManagerImpl.close(BlockManagerImpl.java:506)
at org.apache.hadoop.io.IOUtils.cleanupWithLogger(IOUtils.java:278)
at
org.apache.hadoop.ozone.scm.StorageContainerManager.stop(StorageContainerManager.java:900)
stacktrace truncated--
2017-12-06 22:30:06,317 [main] WARN util.MBeans (MBeans.java:unregister(137))
- Error unregistering
Hadoop:service=Ozone,name=RocksDbStore,dbName=deletedBlock.db
javax.management.InstanceNotFoundException:
Hadoop:service=Ozone,name=RocksDbStore,dbName=deletedBlock.db
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getMBean(DefaultMBeanServerInterceptor.java:1095)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.exclusiveUnregisterMBean(DefaultMBeanServerInterceptor.java:427)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.unregisterMBean(DefaultMBeanServerInterceptor.java:415)
at
com.sun.jmx.mbeanserver.JmxMBeanServer.unregisterMBean(JmxMBeanServer.java:546)
at org.apache.hadoop.metrics2.util.MBeans.unregister(MBeans.java:135)
at org.apache.hadoop.utils.RocksDBStore.close(RocksDBStore.java:368)
at
org.apache.hadoop.ozone.scm.block.DeletedBlockLogImpl.close(DeletedBlockLogImpl.java:326)
at
org.apache.hadoop.ozone.scm.block.BlockManagerImpl.close(BlockManagerImpl.java:509)
at org.apache.hadoop.io.IOUtils.cleanupWithLogger(IOUtils.java:278)
at
org.apache.hadoop.ozone.scm.StorageContainerManager.stop(StorageContainerManager.java:900)
stacktrace truncated--
{noformat}
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[jira] [Created] (HDFS-12900) Ozone: Add client Block cache for SCM
Mukul Kumar Singh created HDFS-12900: Summary: Ozone: Add client Block cache for SCM Key: HDFS-12900 URL: https://issues.apache.org/jira/browse/HDFS-12900 Project: Hadoop HDFS Issue Type: Sub-task Components: ozone Affects Versions: HDFS-7240 Reporter: Mukul Kumar Singh Assignee: Mukul Kumar Singh Fix For: HDFS-7240 SCM blocks are currently allocated via the SCM block client rpc. This would involve multiple rpc requests for block allocation requests. This can be optimized by having a block cache on the client. This cache can be used to pre-allocate multiple blocks. This layer can also be optimized to handle block frees as well by keeping the freed blocks in the cache and using them for further allocations. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org
[jira] [Created] (HDFS-12901) Ozone: SCM: Expose StorageContainerManager#getScmId through container protocol
Nanda kumar created HDFS-12901:
--
Summary: Ozone: SCM: Expose StorageContainerManager#getScmId
through container protocol
Key: HDFS-12901
URL: https://issues.apache.org/jira/browse/HDFS-12901
Project: Hadoop HDFS
Issue Type: Sub-task
Components: ozone
Reporter: Nanda kumar
Assignee: Nanda kumar
This jira is to expose {{StorageContainerManager#getScmId}} through container
protocol, now it's available only through SCM's block location protocol.
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[jira] [Created] (HDFS-12902) IOException when running MiniDfsCluster on Windows: Failed to save in any storage directories while saving namespace
Jeff Saremi created HDFS-12902:
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Summary: IOException when running MiniDfsCluster on Windows:
Failed to save in any storage directories while saving namespace
Key: HDFS-12902
URL: https://issues.apache.org/jira/browse/HDFS-12902
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 2.7.4
Environment: Windows 10
Reporter: Jeff Saremi
Error when running MiniDfsCluster on windows. I tried this first on 2.7.1. THen
I noticed this ticket:
https://issues.apache.org/jira/browse/HDFS-11732
Hence I upgraded to 2.7.4. The same issue still persists.
ClassPath/Environment:
{{java.exe -classpath
"share\hadoop\hdfs\hadoop-hdfs-2.7.4-tests.jar;share\hadoop\hdfs\hadoop-hdfs-2.7.4.jar;share\hadoop\common\hadoop-common-2.7.4.jar;share\hadoop\common\hadoop-common-2.7.4-tests.jar;share\hadoop\common\lib\commons-logging-1.1.3.jar;share\hadoop\common\lib\guava-11.0.2.jar;share\hadoop\common\lib\commons-collections-3.2.2.jar;share\hadoop\common\lib\commons-configuration-1.6.jar;share\hadoop\common\lib\commons-cli-1.2.jar;share\hadoop\common\lib\log4j-1.2.17.jar;share\hadoop\common\lib\slf4j-log4j12-1.7.10.jar;share\hadoop\common\lib\slf4j-api-1.7.10.jar;share\hadoop\common\lib\commons-lang-2.6.jar;share\hadoop\common\lib\hadoop-auth-2.7.4.jar;share\hadoop\common\lib\servlet-api-2.5.jar;share\hadoop\common\lib\jettison-1.1.jar;share\hadoop\common\lib\protobuf-java-2.5.0.jar;d:\;"
MiniDfsRunner "d:/temp/hdfs2"}}
Code for MiniDfsRunner.java:
{{Configuration conf = new Configuration();
conf.set(MiniDFSCluster.HDFS_MINIDFS_BASEDIR,
baseDir.getAbsolutePath());
MiniDFSCluster.Builder builder = new MiniDFSCluster.Builder(conf);
MiniDFSCluster hdfsCluster = builder.build();}}
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[jira] [Created] (HDFS-12903) [READ] Fix closing streams in ImageWriter
Íñigo Goiri created HDFS-12903: -- Summary: [READ] Fix closing streams in ImageWriter Key: HDFS-12903 URL: https://issues.apache.org/jira/browse/HDFS-12903 Project: Hadoop HDFS Issue Type: Sub-task Reporter: Íñigo Goiri -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org
[jira] [Created] (HDFS-12904) Add DataTransferThrottler to the Datanode transfers
Íñigo Goiri created HDFS-12904:
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Summary: Add DataTransferThrottler to the Datanode transfers
Key: HDFS-12904
URL: https://issues.apache.org/jira/browse/HDFS-12904
Project: Hadoop HDFS
Issue Type: New Feature
Components: datanode
Reporter: Íñigo Goiri
Priority: Minor
The {{DataXceiverServer}} already uses throttling for the balancing. The
Datanode should also allow throttling the regular data transfers.
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[jira] [Created] (HDFS-12905) [READ] Handle decommissioning and under-maintance Datanodes with Provided storage.
Virajith Jalaparti created HDFS-12905: - Summary: [READ] Handle decommissioning and under-maintance Datanodes with Provided storage. Key: HDFS-12905 URL: https://issues.apache.org/jira/browse/HDFS-12905 Project: Hadoop HDFS Issue Type: Sub-task Reporter: Virajith Jalaparti -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org
[jira] [Created] (HDFS-12906) hedged point read in DFSInputStream sends only 1 hedge read request
Tao Zhang created HDFS-12906: Summary: hedged point read in DFSInputStream sends only 1 hedge read request Key: HDFS-12906 URL: https://issues.apache.org/jira/browse/HDFS-12906 Project: Hadoop HDFS Issue Type: Bug Components: hdfs-client Reporter: Tao Zhang Assignee: Tao Zhang Hedged point read is handled in DFSInputStream.hedgedFetchBlockByteRange(). It calls "getFirstToComplete()" to get the 1st returned result after sending out hedge read requests. But since "getFirstToComplete()" uses "CompletionService.take()" which is a endlessly blocking operation. It will wait for 1 result after sending only 1 hedge read request. It could be changed to wait for a specific timeout (instead of infinite timeout) and starting another hedge read request. -- This message was sent by Atlassian JIRA (v6.4.14#64029) - To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org
Re: VOTE] Release Apache Hadoop 2.7.5 (RC0)
+1 (non-binding) - Verified signatures, MD5, RMD160, SHA* for bin and src tarballs - Built from source on macOS 10.12.6 and RHEL 6.6 - Ran local HDFS cluster, ran basic commands, verified read and write capability. - Ran 3000 node cluster via Dynamometer and do not see significant performance variation from 2.7.4 expectations @Brahma, I was able to find HDFS-12831, HADOOP-14881, and HADOOP-14827 in CHANGES.txt, but agree with you on the others listed. I was, however, able to find all of them in the linked releasenotes.html. Thanks Konstantin! Erik On 12/4/17, 10:50 PM, "Brahma Reddy Battula" wrote: +1 (non-binding), thanks Konstantin for driving this. --Built from the source --Installed 3 Node HA Cluster --Ran basic shell commands --Verified append/snapshot/truncate --Ran sample jobs like pi,wordcount Looks follow commits are missed in changes.txt. MAPREDUCE-6975 HADOOP-14919 HDFS-12596 YARN-7084 HADOOP-14881 HADOOP-14827 HDFS-12832 --Brahma Reddy Battula -Original Message- From: Konstantin Shvachko [mailto:shv.had...@gmail.com] Sent: 02 December 2017 10:13 To: common-...@hadoop.apache.org; hdfs-dev@hadoop.apache.org; mapreduce-...@hadoop.apache.org; yarn-...@hadoop.apache.org Subject: VOTE] Release Apache Hadoop 2.7.5 (RC0) Hi everybody, This is the next dot release of Apache Hadoop 2.7 line. The previous one 2.7.4 was release August 4, 2017. Release 2.7.5 includes critical bug fixes and optimizations. See more details in Release Note: http://home.apache.org/~shv/hadoop-2.7.5-RC0/releasenotes.html The RC0 is available at: http://home.apache.org/~shv/hadoop-2.7.5-RC0/ Please give it a try and vote on this thread. The vote will run for 5 days ending 12/08/2017. My up to date public key is available from: https://dist.apache.org/repos/dist/release/hadoop/common/KEYS Thanks, --Konstantin
[jira] [Created] (HDFS-12907) Allow read-only access to reserved raw for non-superusers
Daryn Sharp created HDFS-12907:
--
Summary: Allow read-only access to reserved raw for non-superusers
Key: HDFS-12907
URL: https://issues.apache.org/jira/browse/HDFS-12907
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode
Affects Versions: 2.6.0
Reporter: Daryn Sharp
HDFS-6509 added a special /.reserved/raw path prefix to access the raw file
contents of EZ files. In the simplest sense it doesn't return the FE info in
the {{LocatedBlocks}} so the dfs client doesn't try to decrypt the data. This
facilitates allowing tools like distcp to copy raw bytes.
Access to the raw hierarchy is restricted to superusers. This seems like an
overly broad restriction designed to prevent non-admins from munging the EZ
related xattrs. I believe we should relax the restriction to allow non-admins
to perform read-only operations. Allowing non-superusers to easily read the
raw bytes will be extremely useful for regular users, esp. for enabling webhdfs
client-side encryption.
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Re: VOTE] Release Apache Hadoop 2.7.5 (RC0)
Thanks for the release Konstantin. Verified the following: - Downloaded the tar on Ubuntu and verified the signatures - Deployed pseudo cluster - Sanity checks - Basic hdfs operations - Spark PyWordcount & few MR jobs - Accessed most of the web UI's when accessing the docs(from the tar) was able to notice : - Release Notes, Common, HDFS, MapReduce Changes showing file not found - I observed that changes for all components were not available for 2.7.4 as well ( http://hadoop.apache.org/docs/r2.7.4/hadoop-project-dist/hadoop-common/CHANGES.txt ) So not sure whether its missed or not required, else everything else is fine. Regards, + Naga On Tue, Dec 5, 2017 at 2:50 PM, Brahma Reddy Battula < brahmareddy.batt...@huawei.com> wrote: > +1 (non-binding), thanks Konstantin for driving this. > > > --Built from the source > --Installed 3 Node HA Cluster > --Ran basic shell commands > --Verified append/snapshot/truncate > --Ran sample jobs like pi,wordcount > > > Looks follow commits are missed in changes.txt. > > MAPREDUCE-6975 > HADOOP-14919 > HDFS-12596 > YARN-7084 > HADOOP-14881 > HADOOP-14827 > HDFS-12832 > > > --Brahma Reddy Battula > > -Original Message- > From: Konstantin Shvachko [mailto:shv.had...@gmail.com] > Sent: 02 December 2017 10:13 > To: common-...@hadoop.apache.org; hdfs-dev@hadoop.apache.org; > mapreduce-...@hadoop.apache.org; yarn-...@hadoop.apache.org > Subject: VOTE] Release Apache Hadoop 2.7.5 (RC0) > > Hi everybody, > > This is the next dot release of Apache Hadoop 2.7 line. The previous one > 2.7.4 was release August 4, 2017. > Release 2.7.5 includes critical bug fixes and optimizations. See more > details in Release Note: > http://home.apache.org/~shv/hadoop-2.7.5-RC0/releasenotes.html > > The RC0 is available at: http://home.apache.org/~shv/hadoop-2.7.5-RC0/ > > Please give it a try and vote on this thread. The vote will run for 5 days > ending 12/08/2017. > > My up to date public key is available from: > https://dist.apache.org/repos/dist/release/hadoop/common/KEYS > > Thanks, > --Konstantin >
Re: [VOTE] Merge Absolute resource configuration support in Capacity Scheduler (YARN-5881) to trunk
+1. Skimmed through the design doc and uber patch and seems to be reasonable. This is a welcome addition especially w.r.t. cloud deployments so thanks to everyone who worked on this. On Mon, Dec 4, 2017 at 8:18 PM, Rohith Sharma K S wrote: > +1 > > On Nov 30, 2017 7:26 AM, "Sunil G" wrote: > > > Hi All, > > > > > > Based on the discussion at [1], I'd like to start a vote to merge feature > > branch > > > > YARN-5881 to trunk. Vote will run for 7 days, ending Wednesday Dec 6 at > > 6:00PM PDT. > > > > > > This branch adds support to configure queue capacity as absolute resource > > in > > > > capacity scheduler. This will help admins who want fine control of > > resources of queues. > > > > > > Feature development is done at YARN-5881 [2], jenkins build is here > > (YARN-7510 [3]). > > > > All required tasks for this feature are committed. This feature changes > > RM’s Capacity Scheduler only, > > > > and we did extensive tests for the feature in the last couple of months > > including performance tests. > > > > > > Key points: > > > > - The feature is turned off by default, and have to configure absolute > > resource to enable same. > > > > - Detailed documentation about how to use this feature is done as part of > > [4]. > > > > - No major performance degradation is observed with this branch work. SLS > > and UT performance > > > > tests are done. > > > > > > There were 11 subtasks completed for this feature. > > > > > > Huge thanks to everyone who helped with reviews, commits, guidance, and > > > > technical discussion/design, including Wangda Tan, Vinod Vavilapalli, > > Rohith Sharma K S, Eric Payne . > > > > > > [1] : > > http://mail-archives.apache.org/mod_mbox/hadoop-yarn-dev/201711.mbox/% > > 3CCACYiTuhKhF1JCtR7ZFuZSEKQ4sBvN_n_tV5GHsbJ3YeyJP%2BP4Q% > > 40mail.gmail.com%3E > > > > [2] : https://issues.apache.org/jira/browse/YARN-5881 > > > > [3] : https://issues.apache.org/jira/browse/YARN-7510 > > > > [4] : https://issues.apache.org/jira/browse/YARN-7533 > > > > > > Regards > > > > Sunil and Wangda > > >
Apache Hadoop qbt Report: trunk+JDK8 on Linux/x86
For more details, see https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/614/ [Dec 4, 2017 6:40:11 PM] (xiao) HDFS-12396. Webhdfs file system should get delegation token from kms [Dec 4, 2017 8:11:00 PM] (eyang) YARN-6669. Implemented Kerberos security for YARN service framework. [Dec 4, 2017 9:14:55 PM] (rkanter) YARN-5594. Handle old RMDelegationToken format when recovering RM [Dec 4, 2017 10:39:43 PM] (mackrorysd) HADOOP-15058. create-release site build outputs dummy shaded jars due to [Dec 5, 2017 5:02:04 AM] (arp) HADOOP-14976. Set HADOOP_SHELL_EXECNAME explicitly in scripts. [Dec 5, 2017 5:30:46 AM] (aajisaka) HADOOP-14985. Remove subversion related code from VersionInfoMojo.java. [Dec 5, 2017 12:58:31 PM] (sunilg) YARN-7586. Application Placement should be done before ACL checks in [Dec 5, 2017 2:11:07 PM] (sunilg) YARN-7092. Render application specific log under application tab in new [Dec 5, 2017 2:23:46 PM] (brahma) HDFS-11751. DFSZKFailoverController daemon exits with wrong status code. [Dec 5, 2017 3:05:41 PM] (stevel) HADOOP-15071 S3a troubleshooting docs to add a couple more failure [Dec 5, 2017 5:20:07 PM] (sunilg) YARN-7438. Additional changes to make SchedulingPlacementSet agnostic to [Dec 5, 2017 7:06:32 PM] (fabbri) HADOOP-14475 Metrics of S3A don't print out when enabled. Contributed by [Dec 5, 2017 9:09:49 PM] (wangda) YARN-7381. Enable the configuration: [Dec 6, 2017 2:40:33 AM] (aajisaka) HDFS-12889. Router UI is missing robots.txt file. Contributed by Bharat [Dec 6, 2017 4:01:36 AM] (zhengkai.zk) HADOOP-15039. Move SemaphoredDelegatingExecutor to hadoop-common. [Dec 6, 2017 4:21:52 AM] (wwei) YARN-7611. Node manager web UI should display container type in [Dec 6, 2017 4:48:16 AM] (xiao) HDFS-12872. EC Checksum broken when BlockAccessToken is enabled. [Dec 6, 2017 9:52:41 AM] (wwei) YARN-7610. Extend Distributed Shell to support launching job with -1 overall The following subsystems voted -1: asflicense findbugs unit The following subsystems voted -1 but were configured to be filtered/ignored: cc checkstyle javac javadoc pylint shellcheck shelldocs whitespace The following subsystems are considered long running: (runtime bigger than 1h 0m 0s) unit Specific tests: FindBugs : module:hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api org.apache.hadoop.yarn.api.records.Resource.getResources() may expose internal representation by returning Resource.resources At Resource.java:by returning Resource.resources At Resource.java:[line 234] Failed junit tests : hadoop.hdfs.TestDFSStripedOutputStreamWithFailure hadoop.hdfs.TestDFSStripedOutputStreamWithFailure170 hadoop.hdfs.server.balancer.TestBalancerWithSaslDataTransfer hadoop.hdfs.TestFileChecksum hadoop.hdfs.TestDFSStripedOutputStreamWithFailure150 hadoop.hdfs.TestDFSStripedOutputStreamWithFailure030 hadoop.hdfs.web.TestWebHdfsTimeouts hadoop.hdfs.TestDFSStripedOutputStreamWithFailure190 hadoop.fs.TestUnbuffer hadoop.hdfs.server.balancer.TestBalancerRPCDelay hadoop.hdfs.TestErasureCodingPolicies hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure hadoop.hdfs.server.namenode.TestDecommissioningStatus hadoop.hdfs.TestReconstructStripedFile hadoop.hdfs.TestDFSStripedOutputStreamWithFailure140 hadoop.yarn.server.nodemanager.containermanager.launcher.TestContainerLaunch hadoop.yarn.server.resourcemanager.scheduler.capacity.TestNodeLabelContainerAllocation hadoop.yarn.client.api.impl.TestAMRMClientOnRMRestart hadoop.mapreduce.v2.app.rm.TestRMContainerAllocator hadoop.mapreduce.v2.TestUberAM cc: https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/614/artifact/out/diff-compile-cc-root.txt [4.0K] javac: https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/614/artifact/out/diff-compile-javac-root.txt [280K] checkstyle: https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/614/artifact/out/diff-checkstyle-root.txt [17M] pylint: https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/614/artifact/out/diff-patch-pylint.txt [20K] shellcheck: https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/614/artifact/out/diff-patch-shellcheck.txt [20K] shelldocs: https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/614/artifact/out/diff-patch-shelldocs.txt [12K] whitespace: https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/614/artifact/out/whitespace-eol.txt [8.8M] https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/614/artifact/out/whitespace-tabs.txt [288K] findbugs: https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/614/artifact/out/branch-findbugs-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-
