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Posted to common-commits@hadoop.apache.org by ae...@apache.org on 2017/08/22 01:58:53 UTC

[50/50] [abbrv] hadoop git commit: Merge branch 'trunk' into HDFS-7240

Merge branch 'trunk' into HDFS-7240

 Conflicts:
	hadoop-hdfs-project/hadoop-hdfs/dev-support/findbugsExcludeFile.xml
	hadoop-hdfs-project/hadoop-hdfs/pom.xml
	hadoop-hdfs-project/hadoop-hdfs/src/main/bin/hdfs
	hadoop-project/pom.xml
	hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAMRMClient.java


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/d0bd0f62
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/d0bd0f62
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/d0bd0f62

Branch: refs/heads/HDFS-7240
Commit: d0bd0f623338dbb558d0dee5e747001d825d92c5
Parents: 7d13259 b6bfb2f
Author: Anu Engineer <ae...@apache.org>
Authored: Mon Aug 21 18:57:15 2017 -0700
Committer: Anu Engineer <ae...@apache.org>
Committed: Mon Aug 21 18:57:15 2017 -0700

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 hadoop-yarn-project/hadoop-yarn/bin/yarn        |    47 +-
 hadoop-yarn-project/hadoop-yarn/bin/yarn.cmd    |    13 +-
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 .../apache/hadoop/yarn/util/AsyncCallback.java  |    35 +
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 .../hadoop/yarn/webapp/hamlet2/Hamlet.java      | 30557 +++++++++++++++++
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 .../hadoop/yarn/webapp/hamlet2/HamletSpec.java  |  3101 ++
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 .../java/org/apache/hadoop/yarn/TestRPC.java    |     9 +
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 .../scheduler/SchedulerApplicationAttempt.java  |    43 +-
 .../scheduler/SchedulerUtils.java               |    17 +-
 .../scheduler/capacity/AbstractCSQueue.java     |     8 +
 .../scheduler/capacity/CapacityScheduler.java   |    66 +-
 .../CapacitySchedulerConfiguration.java         |    23 +
 .../capacity/CapacitySchedulerQueueManager.java |     4 +
 .../scheduler/capacity/LeafQueue.java           |     5 -
 .../scheduler/capacity/ParentQueue.java         |    45 +-
 .../scheduler/common/fica/FiCaSchedulerApp.java |    13 +
 .../scheduler/fair/AllocationConfiguration.java |     3 -
 .../fair/AllocationFileLoaderService.java       |    10 +-
 .../scheduler/fair/FSAppAttempt.java            |    17 +-
 .../scheduler/fair/FSPreemptionThread.java      |    28 +-
 .../scheduler/fair/FSSchedulerNode.java         |    68 +-
 .../scheduler/fair/FairScheduler.java           |    24 +-
 .../scheduler/fifo/FifoScheduler.java           |    15 +-
 .../security/RMContainerTokenSecretManager.java |    30 +-
 .../resourcemanager/webapp/AboutBlock.java      |    20 +-
 .../resourcemanager/webapp/AboutPage.java       |     2 +-
 .../resourcemanager/webapp/AppAttemptPage.java  |     2 +-
 .../webapp/AppLogAggregationStatusPage.java     |     2 +-
 .../server/resourcemanager/webapp/AppPage.java  |     2 +-
 .../webapp/AppsBlockWithMetrics.java            |     5 +-
 .../webapp/CapacitySchedulerPage.java           |   220 +-
 .../resourcemanager/webapp/ContainerPage.java   |     2 +-
 .../webapp/DefaultSchedulerPage.java            |    58 +-
 .../resourcemanager/webapp/ErrorBlock.java      |     2 +-
 .../webapp/FairSchedulerAppsBlock.java          |    12 +-
 .../webapp/FairSchedulerPage.java               |   118 +-
 .../webapp/MetricsOverviewTable.java            |   124 +-
 .../server/resourcemanager/webapp/NavBlock.java |    34 +-
 .../resourcemanager/webapp/NodeLabelsPage.java  |    18 +-
 .../resourcemanager/webapp/NodesPage.java       |    16 +-
 .../webapp/RMAppAttemptBlock.java               |    48 +-
 .../resourcemanager/webapp/RMAppBlock.java      |    28 +-
 .../webapp/RMAppLogAggregationStatusBlock.java  |    34 +-
 .../resourcemanager/webapp/RMAppsBlock.java     |    15 +-
 .../webapp/RMErrorsAndWarningsPage.java         |     2 +-
 .../resourcemanager/webapp/RMWSConsts.java      |    15 +
 .../resourcemanager/webapp/RMWebAppUtil.java    |   224 +
 .../webapp/RMWebServiceProtocol.java            |   133 +-
 .../resourcemanager/webapp/RMWebServices.java   |   183 +-
 .../webapp/RedirectionErrorPage.java            |     2 +-
 .../server/resourcemanager/webapp/RmView.java   |     4 +-
 .../webapp/SchedulerPageUtil.java               |     8 +-
 .../webapp/dao/AppAttemptInfo.java              |     5 +-
 .../webapp/dao/ClusterMetricsInfo.java          |     5 +-
 .../webapp/dao/FairSchedulerQueueInfo.java      |    41 +-
 .../yarn/server/resourcemanager/MockNodes.java  |     2 +-
 .../server/resourcemanager/NodeManager.java     |     9 +
 .../server/resourcemanager/RMHATestBase.java    |     5 +-
 .../resourcemanager/TestAMAuthorization.java    |     9 +
 .../TestApplicationMasterLauncher.java          |    15 +-
 .../resourcemanager/TestClientRMService.java    |     4 +-
 ...pportunisticContainerAllocatorAMService.java |   168 +
 .../server/resourcemanager/TestRMRestart.java   |     8 +-
 .../TestWorkPreservingRMRestart.java            |    10 +-
 .../TestFederationRMStateStoreService.java      |   176 +
 .../recovery/RMStateStoreTestBase.java          |     8 +-
 .../recovery/TestFSRMStateStore.java            |     1 +
 .../recovery/TestLeveldbRMStateStore.java       |     1 +
 .../recovery/TestZKRMStateStore.java            |     1 +
 .../TestReservationInputValidator.java          |   103 +-
 .../scheduler/TestSchedulerUtils.java           |     4 +-
 .../capacity/TestCapacityScheduler.java         |   360 +-
 .../TestCapacitySchedulerAsyncScheduling.java   |   147 +
 .../TestCapacitySchedulerDynamicBehavior.java   |     2 +-
 .../capacity/TestContainerResizing.java         |     7 +-
 .../capacity/TestIncreaseAllocationExpirer.java |     4 +-
 .../scheduler/capacity/TestLeafQueue.java       |     2 -
 .../scheduler/fair/TestFSSchedulerNode.java     |    52 +
 .../scheduler/fair/TestFairScheduler.java       |    46 +-
 .../hadoop/yarn/webapp/TestRMWithXFSFilter.java |    14 +-
 .../hadoop-yarn-server-router/pom.xml           |   110 +
 .../hadoop/yarn/server/router/Router.java       |   179 +
 .../yarn/server/router/RouterServerUtil.java    |    63 +
 .../AbstractClientRequestInterceptor.java       |   127 +
 .../clientrm/ClientRequestInterceptor.java      |    65 +
 .../DefaultClientRequestInterceptor.java        |   311 +
 .../clientrm/FederationClientInterceptor.java   |   677 +
 .../router/clientrm/RouterClientRMService.java  |   546 +
 .../server/router/clientrm/package-info.java    |    20 +
 .../hadoop/yarn/server/router/package-info.java |    20 +
 .../AbstractRMAdminRequestInterceptor.java      |    90 +
 .../DefaultRMAdminRequestInterceptor.java       |   215 +
 .../rmadmin/RMAdminRequestInterceptor.java      |    65 +
 .../router/rmadmin/RouterRMAdminService.java    |   423 +
 .../server/router/rmadmin/package-info.java     |    20 +
 .../webapp/AbstractRESTRequestInterceptor.java  |    89 +
 .../webapp/DefaultRequestInterceptorREST.java   |   510 +
 .../webapp/FederationInterceptorREST.java       |   750 +
 .../yarn/server/router/webapp/HTTPMethods.java  |    34 +
 .../router/webapp/RESTRequestInterceptor.java   |   125 +
 .../yarn/server/router/webapp/RouterWebApp.java |    48 +
 .../router/webapp/RouterWebServiceUtil.java     |   227 +
 .../server/router/webapp/RouterWebServices.java |   876 +
 .../yarn/server/router/webapp/package-info.java |    20 +
 .../router/clientrm/BaseRouterClientRMTest.java |   586 +
 .../clientrm/MockClientRequestInterceptor.java  |    36 +
 .../PassThroughClientRequestInterceptor.java    |   267 +
 .../TestFederationClientInterceptor.java        |   403 +
 .../TestFederationClientInterceptorRetry.java   |   295 +
 .../clientrm/TestRouterClientRMService.java     |   210 +
 .../TestableFederationClientInterceptor.java    |    75 +
 .../router/rmadmin/BaseRouterRMAdminTest.java   |   346 +
 .../rmadmin/MockRMAdminRequestInterceptor.java  |    36 +
 .../PassThroughRMAdminRequestInterceptor.java   |   148 +
 .../rmadmin/TestRouterRMAdminService.java       |   219 +
 .../webapp/BaseRouterWebServicesTest.java       |   614 +
 .../yarn/server/router/webapp/JavaProcess.java  |    52 +
 .../MockDefaultRequestInterceptorREST.java      |   136 +
 .../webapp/MockRESTRequestInterceptor.java      |   340 +
 .../PassThroughRESTRequestInterceptor.java      |   339 +
 .../webapp/TestFederationInterceptorREST.java   |   379 +
 .../TestFederationInterceptorRESTRetry.java     |   274 +
 .../router/webapp/TestRouterWebServices.java    |   269 +
 .../webapp/TestRouterWebServicesREST.java       |  1298 +
 .../TestableFederationInterceptorREST.java      |    54 +
 .../src/test/resources/capacity-scheduler.xml   |   111 +
 .../src/test/resources/log4j.properties         |    19 +
 .../src/test/resources/yarn-site.xml            |    30 +
 .../sharedcachemanager/CleanerService.java      |     7 +-
 .../server/sharedcachemanager/CleanerTask.java  |     7 +-
 .../ClientProtocolService.java                  |     7 +-
 .../SCMAdminProtocolService.java                |     8 +-
 .../sharedcachemanager/SharedCacheManager.java  |     9 +-
 .../metrics/CleanerMetrics.java                 |     7 +-
 .../metrics/ClientSCMMetrics.java               |     7 +-
 .../metrics/SharedCacheUploaderMetrics.java     |     8 +-
 .../store/InMemorySCMStore.java                 |     7 +-
 .../webapp/SCMOverviewPage.java                 |    26 +-
 .../sharedcachemanager/webapp/SCMWebServer.java |     7 +-
 .../hadoop/yarn/server/MiniYARNCluster.java     |    13 +-
 .../timeline/EntityGroupFSTimelineStore.java    |    23 +-
 .../timeline/LevelDBCacheTimelineStore.java     |    14 +-
 .../TestEntityGroupFSTimelineStore.java         |    99 +-
 ...stTimelineReaderWebServicesHBaseStorage.java |    30 +-
 .../storage/TestHBaseTimelineStorageApps.java   |     4 +-
 .../TestHBaseTimelineStorageEntities.java       |    14 +-
 .../reader/filter/TimelineFilterUtils.java      |     7 +-
 .../storage/HBaseTimelineReaderImpl.java        |     8 +-
 .../storage/HBaseTimelineWriterImpl.java        |     8 +-
 .../storage/TimelineSchemaCreator.java          |     7 +-
 .../storage/application/ApplicationTable.java   |     7 +-
 .../storage/apptoflow/AppToFlowTable.java       |     7 +-
 .../storage/common/AppIdKeyConverter.java       |     3 +-
 .../storage/common/ColumnHelper.java            |     8 +-
 .../common/HBaseTimelineStorageUtils.java       |    41 +-
 .../storage/entity/EntityTable.java             |     7 +-
 .../storage/flow/FlowActivityTable.java         |     7 +-
 .../storage/flow/FlowRunCoprocessor.java        |     7 +-
 .../storage/flow/FlowRunTable.java              |     7 +-
 .../storage/flow/FlowScanner.java               |     7 +-
 .../storage/reader/TimelineEntityReader.java    |     7 +-
 .../TestCustomApplicationIdConversion.java      |    39 +
 .../collector/AppLevelTimelineCollector.java    |     7 +-
 .../collector/NodeTimelineCollectorManager.java |     8 +-
 .../PerNodeTimelineCollectorsAuxService.java    |    10 +-
 .../collector/TimelineCollector.java            |     7 +-
 .../collector/TimelineCollectorManager.java     |     8 +-
 .../collector/TimelineCollectorWebService.java  |     8 +-
 .../reader/TimelineReaderServer.java            |     9 +-
 .../reader/TimelineReaderWebServices.java       |     8 +-
 .../storage/FileSystemTimelineReaderImpl.java   |     8 +-
 .../storage/common/TimelineStorageUtils.java    |     4 -
 .../hadoop/yarn/server/webproxy/ProxyUtils.java |    16 +-
 .../server/webproxy/WebAppProxyServlet.java     |    14 +-
 .../hadoop-yarn/hadoop-yarn-server/pom.xml      |     1 +
 .../src/site/markdown/Federation.md             |   309 +
 .../src/site/markdown/GracefulDecommission.md   |    12 +-
 .../src/site/markdown/NodeManagerCgroups.md     |    17 +-
 .../site/markdown/WritingYarnApplications.md    |     4 +-
 .../hadoop-yarn-site/src/site/markdown/YARN.md  |     5 +-
 .../src/site/markdown/registry/yarn-registry.md |    14 +-
 .../resources/images/amrmproxy_architecture.png |   Bin 0 -> 35010 bytes
 .../images/federation_architecture.png          |   Bin 0 -> 46964 bytes
 .../images/federation_sequence_diagram.png      |   Bin 0 -> 47910 bytes
 .../src/main/webapp/app/adapters/yarn-queue.js  |    30 -
 .../app/adapters/yarn-queue/capacity-queue.js   |    23 +
 .../app/adapters/yarn-queue/fair-queue.js       |    23 +
 .../app/adapters/yarn-queue/fifo-queue.js       |    23 +
 .../app/adapters/yarn-queue/yarn-queue.js       |    30 +
 .../main/webapp/app/components/tree-selector.js |    19 +-
 .../src/main/webapp/app/initializers/loader.js  |    42 +-
 .../src/main/webapp/app/models/yarn-queue.js    |    94 -
 .../app/models/yarn-queue/capacity-queue.js     |    95 +
 .../webapp/app/models/yarn-queue/fair-queue.js  |    79 +
 .../webapp/app/models/yarn-queue/fifo-queue.js  |    52 +
 .../webapp/app/models/yarn-queue/yarn-queue.js  |    23 +
 .../main/webapp/app/routes/cluster-overview.js  |     4 +-
 .../src/main/webapp/app/routes/yarn-queue.js    |    26 +-
 .../src/main/webapp/app/routes/yarn-queues.js   |    12 +-
 .../main/webapp/app/routes/yarn-queues/index.js |    25 -
 .../app/routes/yarn-queues/queues-selector.js   |    25 -
 .../main/webapp/app/serializers/yarn-queue.js   |   129 -
 .../serializers/yarn-queue/capacity-queue.js    |   128 +
 .../app/serializers/yarn-queue/fair-queue.js    |    92 +
 .../app/serializers/yarn-queue/fifo-queue.js    |    59 +
 .../app/serializers/yarn-queue/yarn-queue.js    |    47 +
 .../components/queue-configuration-table.hbs    |    54 -
 .../templates/components/queue-navigator.hbs    |     7 +-
 .../yarn-queue/capacity-queue-conf-table.hbs    |    54 +
 .../yarn-queue/capacity-queue-info.hbs          |    84 +
 .../components/yarn-queue/capacity-queue.hbs    |    63 +
 .../yarn-queue/fair-queue-conf-table.hbs        |    52 +
 .../components/yarn-queue/fair-queue-info.hbs   |    66 +
 .../components/yarn-queue/fair-queue.hbs        |    63 +
 .../yarn-queue/fifo-queue-conf-table.hbs        |    56 +
 .../components/yarn-queue/fifo-queue-info.hbs   |    47 +
 .../components/yarn-queue/fifo-queue.hbs        |    48 +
 .../webapp/app/templates/yarn-queue/info.hbs    |    73 +-
 .../main/webapp/app/templates/yarn-queues.hbs   |    54 +-
 .../src/main/webapp/app/utils/color-utils.js    |     1 -
 hadoop-yarn-project/hadoop-yarn/pom.xml         |    12 +-
 hadoop-yarn-project/pom.xml                     |     4 +
 pom.xml                                         |     5 +-
 start-build-env.sh                              |     2 +-
 962 files changed, 94710 insertions(+), 7270 deletions(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/d0bd0f62/LICENSE.txt
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/d0bd0f62/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/FileUtil.java
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/d0bd0f62/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelperClient.java
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d0bd0f62/hadoop-hdfs-project/hadoop-hdfs-client/src/main/proto/hdfs.proto
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/d0bd0f62/hadoop-hdfs-project/hadoop-hdfs/dev-support/findbugsExcludeFile.xml
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d0bd0f62/hadoop-hdfs-project/hadoop-hdfs/pom.xml
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d0bd0f62/hadoop-hdfs-project/hadoop-hdfs/src/main/bin/hdfs
----------------------------------------------------------------------
diff --cc hadoop-hdfs-project/hadoop-hdfs/src/main/bin/hdfs
index 914635e,e6405b5..61e4808
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/bin/hdfs
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/bin/hdfs
@@@ -1,4 -1,4 +1,4 @@@
--#!/usr/bin/env bash
++  #!/usr/bin/env bash
  
  # Licensed to the Apache Software Foundation (ASF) under one or more
  # contributor license agreements.  See the NOTICE file distributed with
@@@ -31,45 -31,37 +31,47 @@@ function hadoop_usag
    hadoop_add_option "--hosts filename" "list of hosts to use in worker mode"
    hadoop_add_option "--workers" "turn on worker mode"
  
-   hadoop_add_subcommand "balancer" "run a cluster balancing utility"
-   hadoop_add_subcommand "cacheadmin" "configure the HDFS cache"
-   hadoop_add_subcommand "cblock" "cblock CLI"
-   hadoop_add_subcommand "cblockserver" "run cblock server"
-   hadoop_add_subcommand "classpath" "prints the class path needed to get the hadoop jar and the required libraries"
-   hadoop_add_subcommand "corona" "run an ozone data generator"
-   hadoop_add_subcommand "crypto" "configure HDFS encryption zones"
-   hadoop_add_subcommand "datanode" "run a DFS datanode"
-   hadoop_add_subcommand "debug" "run a Debug Admin to execute HDFS debug commands"
-   hadoop_add_subcommand "dfs" "run a filesystem command on the file system"
-   hadoop_add_subcommand "dfsadmin" "run a DFS admin client"
-   hadoop_add_subcommand "diskbalancer" "Distributes data evenly among disks on a given node"
-   hadoop_add_subcommand "envvars" "display computed Hadoop environment variables"
-   hadoop_add_subcommand "ec" "run a HDFS ErasureCoding CLI"
-   hadoop_add_subcommand "fetchdt" "fetch a delegation token from the NameNode"
-   hadoop_add_subcommand "fsck" "run a DFS filesystem checking utility"
-   hadoop_add_subcommand "getconf" "get config values from configuration"
-   hadoop_add_subcommand "groups" "get the groups which users belong to"
-   hadoop_add_subcommand "haadmin" "run a DFS HA admin client"
-   hadoop_add_subcommand "jmxget" "get JMX exported values from NameNode or DataNode."
-   hadoop_add_subcommand "journalnode" "run the DFS journalnode"
-   hadoop_add_subcommand "jscsi" "run cblock jscsi server"
-   hadoop_add_subcommand "ksm" "Ozone keyspace manager"
-   hadoop_add_subcommand "lsSnapshottableDir" "list all snapshottable dirs owned by the current user"
-   hadoop_add_subcommand "mover" "run a utility to move block replicas across storage types"
-   hadoop_add_subcommand "namenode" "run the DFS namenode"
-   hadoop_add_subcommand "nfs3" "run an NFS version 3 gateway"
-   hadoop_add_subcommand "oev" "apply the offline edits viewer to an edits file"
-   hadoop_add_subcommand "oiv" "apply the offline fsimage viewer to an fsimage"
-   hadoop_add_subcommand "oiv_legacy" "apply the offline fsimage viewer to a legacy fsimage"
-   hadoop_add_subcommand "oz" "command line interface for ozone"
-   hadoop_add_subcommand "oz_debug" "ozone debug tool, convert ozone meta data db into sqlite db"
-   hadoop_add_subcommand "portmap" "run a portmap service"
-   hadoop_add_subcommand "scm" "run the Storage Container Manager service"
-   hadoop_add_subcommand "secondarynamenode" "run the DFS secondary namenode"
-   hadoop_add_subcommand "snapshotDiff" "diff two snapshots of a directory or diff the current directory contents with a snapshot"
-   hadoop_add_subcommand "storagepolicies" "list/get/set block storage policies"
-   hadoop_add_subcommand "version" "print the version"
-   hadoop_add_subcommand "zkfc" "run the ZK Failover Controller daemon"
++
+   hadoop_add_subcommand "balancer" daemon "run a cluster balancing utility"
+   hadoop_add_subcommand "cacheadmin" admin "configure the HDFS cache"
++  hadoop_add_subcommand "cblock" admin "cblock CLI"
++   hadoop_add_subcommand "cblockserver" daemon "run cblock server"
+   hadoop_add_subcommand "classpath" client "prints the class path needed to get the hadoop jar and the required libraries"
++  hadoop_add_subcommand "corona" client "run an ozone data generator"
+   hadoop_add_subcommand "crypto" admin "configure HDFS encryption zones"
+   hadoop_add_subcommand "datanode" daemon "run a DFS datanode"
+   hadoop_add_subcommand "debug" admin "run a Debug Admin to execute HDFS debug commands"
+   hadoop_add_subcommand "dfs" client "run a filesystem command on the file system"
+   hadoop_add_subcommand "dfsadmin" admin "run a DFS admin client"
+   hadoop_add_subcommand "diskbalancer" daemon "Distributes data evenly among disks on a given node"
+   hadoop_add_subcommand "envvars" client "display computed Hadoop environment variables"
+   hadoop_add_subcommand "ec" admin "run a HDFS ErasureCoding CLI"
+   hadoop_add_subcommand "fetchdt" client "fetch a delegation token from the NameNode"
+   hadoop_add_subcommand "fsck" admin "run a DFS filesystem checking utility"
+   hadoop_add_subcommand "getconf" client "get config values from configuration"
+   hadoop_add_subcommand "groups" client "get the groups which users belong to"
+   hadoop_add_subcommand "haadmin" admin "run a DFS HA admin client"
+   hadoop_add_subcommand "jmxget" admin "get JMX exported values from NameNode or DataNode."
+   hadoop_add_subcommand "journalnode" daemon "run the DFS journalnode"
++  hadoop_add_subcommand "jscsi" daemon "run cblock jscsi server"
++  hadoop_add_subcommand "ksm" daemon "Ozone keyspace manager"
+   hadoop_add_subcommand "lsSnapshottableDir" client "list all snapshottable dirs owned by the current user"
+   hadoop_add_subcommand "mover" daemon "run a utility to move block replicas across storage types"
+   hadoop_add_subcommand "namenode" daemon "run the DFS namenode"
+   hadoop_add_subcommand "nfs3" daemon "run an NFS version 3 gateway"
+   hadoop_add_subcommand "oev" admin "apply the offline edits viewer to an edits file"
+   hadoop_add_subcommand "oiv" admin "apply the offline fsimage viewer to an fsimage"
+   hadoop_add_subcommand "oiv_legacy" admin "apply the offline fsimage viewer to a legacy fsimage"
++  hadoop_add_subcommand "oz" client "command line interface for ozone"
++  hadoop_add_subcommand "oz_debug" client "ozone debug tool, convert ozone metadata into relational data"
+   hadoop_add_subcommand "portmap" daemon "run a portmap service"
++  hadoop_add_subcommand "scm" daemon "run the Storage Container Manager service"
+   hadoop_add_subcommand "secondarynamenode" daemon "run the DFS secondary namenode"
+   hadoop_add_subcommand "snapshotDiff" client "diff two snapshots of a directory or diff the current directory contents with a snapshot"
+   hadoop_add_subcommand "storagepolicies" admin "list/get/set block storage policies"
+   hadoop_add_subcommand "version" client "print the version"
+   hadoop_add_subcommand "zkfc" daemon "run the ZK Failover Controller daemon"
++
    hadoop_generate_usage "${HADOOP_SHELL_EXECNAME}" false
  }
  

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d0bd0f62/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/d0bd0f62/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d0bd0f62/hadoop-project/pom.xml
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diff --cc hadoop-project/pom.xml
index 8b99379,8c1d374..e1d22b4
mode 100644,100755..100755
--- a/hadoop-project/pom.xml
+++ b/hadoop-project/pom.xml
@@@ -98,8 -96,10 +96,12 @@@
      <apacheds.version>2.0.0-M21</apacheds.version>
      <ldap-api.version>1.0.0-M33</ldap-api.version>
  
 +    <!-- Apache Ratis version -->
 +    <ratis.version>0.1.1-alpha-SNAPSHOT</ratis.version>
+     <jcache.version>1.0-alpha-1</jcache.version>
+     <ehcache.version>3.3.1</ehcache.version>
+     <hikari.version>2.4.12</hikari.version>
+     <mssql.version>6.2.1.jre7</mssql.version>
  
      <!-- define the Java language version used by the compiler -->
      <javac.version>1.8</javac.version>

http://git-wip-us.apache.org/repos/asf/hadoop/blob/d0bd0f62/hadoop-project/src/site/site.xml
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/d0bd0f62/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAMRMClient.java
----------------------------------------------------------------------
diff --cc hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAMRMClient.java
index fbb56b0,09b12f2..1c39fa7
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAMRMClient.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAMRMClient.java
@@@ -815,8 -821,8 +821,8 @@@ public class TestAMRMClient 
        amClient.updateBlacklist(nodeList02, null);
        assertEquals(3, amClient.blacklistAdditions.size());
        assertEquals(0, amClient.blacklistRemovals.size());
 -      
 -      // Add nodes[1] and nodes[2] to removal list, 
 +
-       // Add nodes[1] and nodes[2] to removal list, 
++      // Add nodes[1] and nodes[2] to removal list,
        // Verify addition list remove these two nodes.
        List<String> nodeList12 = new ArrayList<String>();
        nodeList12.add(nodes[1]);
@@@ -824,8 -830,8 +830,8 @@@
        amClient.updateBlacklist(null, nodeList12);
        assertEquals(1, amClient.blacklistAdditions.size());
        assertEquals(2, amClient.blacklistRemovals.size());
 -      
 -      // Add nodes[1] again to addition list, 
 +
-       // Add nodes[1] again to addition list, 
++      // Add nodes[1] again to addition list,
        // Verify removal list will remove this node.
        List<String> nodeList1 = new ArrayList<String>();
        nodeList1.add(nodes[1]);
@@@ -933,10 -939,10 +939,10 @@@
          1), null, null, Priority.UNDEFINED, true, "x"));
      client.addContainerRequest(new ContainerRequest(Resource.newInstance(1024,
          1), null, null, Priority.UNDEFINED, true, "a"));
-     Assert.assertEquals(1, client.ask.size());
-     Assert.assertEquals("a", client.ask.iterator().next()
+     assertEquals(1, client.ask.size());
+     assertEquals("a", client.ask.iterator().next()
          .getNodeLabelExpression());
 -    
 +
      // add exp=x to ANY, rack and node, only resource request has ANY resource
      // name will be assigned the label expression
      // add exp=x then add exp=a to ANY in same priority, only exp=a should kept
@@@ -971,9 -977,9 +977,9 @@@
      } catch (InvalidContainerRequestException e) {
        return;
      }
-     Assert.fail();
+     fail();
    }
 -  
 +
    @Test(timeout=30000)
    public void testAskWithInvalidNodeLabels() {
      AMRMClientImpl<ContainerRequest> client =
@@@ -1170,11 -1507,11 +1507,11 @@@
      int allocatedContainerCount = 0;
      int iterationsLeft = 3;
      Set<ContainerId> releases = new TreeSet<ContainerId>();
 -    
 +
      amClient.getNMTokenCache().clearCache();
-     Assert.assertEquals(0, amClient.getNMTokenCache().numberOfTokensInCache());
+     assertEquals(0, amClient.getNMTokenCache().numberOfTokensInCache());
      HashMap<String, Token> receivedNMTokens = new HashMap<String, Token>();
 -    
 +
      while (allocatedContainerCount < containersRequestedAny
          && iterationsLeft-- > 0) {
        AllocateResponse allocResponse = amClient.allocate(0.1f);
@@@ -1202,11 -1539,11 +1539,11 @@@
          triggerSchedulingWithNMHeartBeat();
        }
      }
 -    
 +
      // Should receive atleast 1 token
-     Assert.assertTrue(receivedNMTokens.size() > 0
+     assertTrue(receivedNMTokens.size() > 0
          && receivedNMTokens.size() <= nodeCount);
 -    
 +
      assertEquals(allocatedContainerCount, containersRequestedAny);
      assertEquals(2, releases.size());
      assertEquals(0, amClient.ask.size());
@@@ -1254,7 -1591,7 +1591,7 @@@
      assertEquals(2, amClient.release.size());
      assertEquals(3, amClient.ask.size());
      snoopRequest = amClient.ask.iterator().next();
--    // verify that the remove request made in between makeRequest and allocate 
++    // verify that the remove request made in between makeRequest and allocate
      // has not been lost
      assertEquals(0, snoopRequest.getNumContainers());
  
@@@ -1444,8 -1781,8 +1781,8 @@@
        org.apache.hadoop.security.token.Token<AMRMTokenIdentifier> amrmToken_1 =
            getAMRMToken();
        Assert.assertNotNull(amrmToken_1);
-       Assert.assertEquals(amrmToken_1.decodeIdentifier().getKeyId(),
+       assertEquals(amrmToken_1.decodeIdentifier().getKeyId(),
 -        amrmTokenSecretManager.getMasterKey().getMasterKey().getKeyId());
 +          amrmTokenSecretManager.getMasterKey().getMasterKey().getKeyId());
  
        // Wait for enough time and make sure the roll_over happens
        // At mean time, the old AMRMToken should continue to work
@@@ -1459,8 -1796,8 +1796,8 @@@
        org.apache.hadoop.security.token.Token<AMRMTokenIdentifier> amrmToken_2 =
            getAMRMToken();
        Assert.assertNotNull(amrmToken_2);
-       Assert.assertEquals(amrmToken_2.decodeIdentifier().getKeyId(),
+       assertEquals(amrmToken_2.decodeIdentifier().getKeyId(),
 -        amrmTokenSecretManager.getMasterKey().getMasterKey().getKeyId());
 +          amrmTokenSecretManager.getMasterKey().getMasterKey().getKeyId());
  
        Assert.assertNotEquals(amrmToken_1, amrmToken_2);
  
@@@ -1470,22 -1807,22 +1807,22 @@@
        // Verify latest AMRMToken can be used to send allocation request.
        UserGroupInformation testUser1 =
            UserGroupInformation.createRemoteUser("testUser1");
 -      
 -      AMRMTokenIdentifierForTest newVersionTokenIdentifier = 
 +
 +      AMRMTokenIdentifierForTest newVersionTokenIdentifier =
            new AMRMTokenIdentifierForTest(amrmToken_2.decodeIdentifier(), "message");
 -      
 +
-       Assert.assertEquals("Message is changed after set to newVersionTokenIdentifier",
+       assertEquals("Message is changed after set to newVersionTokenIdentifier",
            "message", newVersionTokenIdentifier.getMessage());
 -      org.apache.hadoop.security.token.Token<AMRMTokenIdentifier> newVersionToken = 
 +      org.apache.hadoop.security.token.Token<AMRMTokenIdentifier> newVersionToken =
            new org.apache.hadoop.security.token.Token<AMRMTokenIdentifier> (
 -              newVersionTokenIdentifier.getBytes(), 
 +              newVersionTokenIdentifier.getBytes(),
                amrmTokenSecretManager.retrievePassword(newVersionTokenIdentifier),
                newVersionTokenIdentifier.getKind(), new Text());
 -      
 +
        SecurityUtil.setTokenService(newVersionToken, yarnCluster
 -        .getResourceManager().getApplicationMasterService().getBindAddress());
 +          .getResourceManager().getApplicationMasterService().getBindAddress());
        testUser1.addToken(newVersionToken);
 -      
 +
        AllocateRequest request = Records.newRecord(AllocateRequest.class);
        request.setResponseId(response.getResponseId());
        testUser1.doAs(new PrivilegedAction<ApplicationMasterProtocol>() {
@@@ -1525,17 -1862,17 +1862,17 @@@
            @Override
            public ApplicationMasterProtocol run() {
              return (ApplicationMasterProtocol) YarnRPC.create(conf).getProxy(
 -              ApplicationMasterProtocol.class,
 -              yarnCluster.getResourceManager().getApplicationMasterService()
 -                .getBindAddress(), conf);
 +                ApplicationMasterProtocol.class,
 +                yarnCluster.getResourceManager().getApplicationMasterService()
 +                    .getBindAddress(), conf);
            }
          }).allocate(Records.newRecord(AllocateRequest.class));
-         Assert.fail("The old Token should not work");
+         fail("The old Token should not work");
        } catch (Exception ex) {
-         Assert.assertTrue(ex instanceof InvalidToken);
-         Assert.assertTrue(ex.getMessage().contains(
+         assertTrue(ex instanceof InvalidToken);
+         assertTrue(ex.getMessage().contains(
 -          "Invalid AMRMToken from "
 -              + amrmToken_2.decodeIdentifier().getApplicationAttemptId()));
 +            "Invalid AMRMToken from "
 +                + amrmToken_2.decodeIdentifier().getApplicationAttemptId()));
        }
  
        amClient.unregisterApplicationMaster(FinalApplicationStatus.SUCCEEDED,


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