使用 Amazon EMR 示例 Amazon CLI - Amazon Command Line Interface
Amazon Web Services 文档中描述的 Amazon Web Services 服务或功能可能因区域而异。要查看适用于中国区域的差异,请参阅 中国的 Amazon Web Services 服务入门 (PDF)

本文属于机器翻译版本。若本译文内容与英语原文存在差异,则一律以英文原文为准。

使用 Amazon EMR 示例 Amazon CLI

以下代码示例向您展示了如何使用 Amazon Command Line Interface 与 Amazon EMR 配合使用来执行操作和实现常见场景。

操作是大型程序的代码摘录,必须在上下文中运行。您可以通过操作了解如何调用单个服务函数,还可以通过函数相关场景和跨服务示例的上下文查看操作。

场景是展示如何通过在同一服务中调用多个函数来完成特定任务任务的代码示例。

每个示例都包含一个指向的链接 GitHub,您可以在其中找到有关如何在上下文中设置和运行代码的说明。

主题

操作

以下代码示例演示如何使用 add-instance-fleet

Amazon CLI

向集群添加任务实例队列

此示例将新的任务实例队列添加到指定的集群。

命令:

aws emr add-instance-fleet --cluster-id 'j-12ABCDEFGHI34JK' --instance-fleet InstanceFleetType=TASK,TargetSpotCapacity=1,LaunchSpecifications={SpotSpecification='{TimeoutDurationMinutes=20,TimeoutAction=TERMINATE_CLUSTER}'},InstanceTypeConfigs=['{InstanceType=m3.xlarge,BidPrice=0.5}']

输出:

{ "ClusterId": "j-12ABCDEFGHI34JK", "InstanceFleetId": "if-23ABCDEFGHI45JJ" }
  • 有关 API 的详细信息,请参阅Amazon CLI 命令参考AddInstanceFleet中的。

以下代码示例演示如何使用 add-steps

Amazon CLI

1。向集群添加自定义 JAR 步骤

命令:

aws emr add-steps --cluster-id j-XXXXXXXX --steps Type=CUSTOM_JAR,Name=CustomJAR,ActionOnFailure=CONTINUE,Jar=s3://mybucket/mytest.jar,Args=arg1,arg2,arg3 Type=CUSTOM_JAR,Name=CustomJAR,ActionOnFailure=CONTINUE,Jar=s3://mybucket/mytest.jar,MainClass=mymainclass,Args=arg1,arg2,arg3

必填参数:

Jar

可选参数:

Type, Name, ActionOnFailure, Args

输出:

{ "StepIds":[ "s-XXXXXXXX", "s-YYYYYYYY" ] }

2。向集群添加流式处理步骤

命令:

aws emr add-steps --cluster-id j-XXXXXXXX --steps Type=STREAMING,Name='Streaming Program',ActionOnFailure=CONTINUE,Args=[-files,s3://elasticmapreduce/samples/wordcount/wordSplitter.py,-mapper,wordSplitter.py,-reducer,aggregate,-input,s3://elasticmapreduce/samples/wordcount/input,-output,s3://mybucket/wordcount/output]

必填参数:

Type, Args

可选参数:

Name, ActionOnFailure

JSON 等效项(step.json 的内容):

[ { "Name": "JSON Streaming Step", "Args": ["-files","s3://elasticmapreduce/samples/wordcount/wordSplitter.py","-mapper","wordSplitter.py","-reducer","aggregate","-input","s3://elasticmapreduce/samples/wordcount/input","-output","s3://mybucket/wordcount/output"], "ActionOnFailure": "CONTINUE", "Type": "STREAMING" } ]

注意:JSON 参数必须将选项和值作为它们自己的项目包含在列表中。

命令(使用 step.json):

aws emr add-steps --cluster-id j-XXXXXXXX --steps file://./step.json

输出:

{ "StepIds":[ "s-XXXXXXXX", "s-YYYYYYYY" ] }

3。向集群添加包含多个文件的流式处理步骤(仅限 JSON)

JSON(多文件.json):

[ { "Name": "JSON Streaming Step", "Type": "STREAMING", "ActionOnFailure": "CONTINUE", "Args": [ "-files", "s3://mybucket/mapper.py,s3://mybucket/reducer.py", "-mapper", "mapper.py", "-reducer", "reducer.py", "-input", "s3://mybucket/input", "-output", "s3://mybucket/output"] } ]

命令:

aws emr add-steps --cluster-id j-XXXXXXXX --steps file://./multiplefiles.json

必填参数:

Type, Args

可选参数:

Name, ActionOnFailure

输出:

{ "StepIds":[ "s-XXXXXXXX", ] }

4。向集群添加 Hive 步骤

命令:

aws emr add-steps --cluster-id j-XXXXXXXX --steps Type=HIVE,Name='Hive program',ActionOnFailure=CONTINUE,Args=[-f,s3://mybucket/myhivescript.q,-d,INPUT=s3://mybucket/myhiveinput,-d,OUTPUT=s3://mybucket/myhiveoutput,arg1,arg2] Type=HIVE,Name='Hive steps',ActionOnFailure=TERMINATE_CLUSTER,Args=[-f,s3://elasticmapreduce/samples/hive-ads/libs/model-build.q,-d,INPUT=s3://elasticmapreduce/samples/hive-ads/tables,-d,OUTPUT=s3://mybucket/hive-ads/output/2014-04-18/11-07-32,-d,LIBS=s3://elasticmapreduce/samples/hive-ads/libs]

必填参数:

Type, Args

可选参数:

Name, ActionOnFailure

输出:

{ "StepIds":[ "s-XXXXXXXX", "s-YYYYYYYY" ] }

5。向集群添加 Pig 步骤

命令:

aws emr add-steps --cluster-id j-XXXXXXXX --steps Type=PIG,Name='Pig program',ActionOnFailure=CONTINUE,Args=[-f,s3://mybucket/mypigscript.pig,-p,INPUT=s3://mybucket/mypiginput,-p,OUTPUT=s3://mybucket/mypigoutput,arg1,arg2] Type=PIG,Name='Pig program',Args=[-f,s3://elasticmapreduce/samples/pig-apache/do-reports2.pig,-p,INPUT=s3://elasticmapreduce/samples/pig-apache/input,-p,OUTPUT=s3://mybucket/pig-apache/output,arg1,arg2]

必填参数:

Type, Args

可选参数:

Name, ActionOnFailure

输出:

{ "StepIds":[ "s-XXXXXXXX", "s-YYYYYYYY" ] }

6。向集群添加 Impala 步骤

命令:

aws emr add-steps --cluster-id j-XXXXXXXX --steps Type=IMPALA,Name='Impala program',ActionOnFailure=CONTINUE,Args=--impala-script,s3://myimpala/input,--console-output-path,s3://myimpala/output

必填参数:

Type, Args

可选参数:

Name, ActionOnFailure

输出:

{ "StepIds":[ "s-XXXXXXXX", "s-YYYYYYYY" ] }
  • 有关 API 的详细信息,请参阅Amazon CLI 命令参考AddSteps中的。

以下代码示例演示如何使用 add-tags

Amazon CLI

1。向集群添加标签

命令:

aws emr add-tags --resource-id j-xxxxxxx --tags name="John Doe" age=29 sex=male address="123 East NW Seattle"

输出:

None

2。列出集群的标签

--命令:

aws emr describe-cluster --cluster-id j-XXXXXXYY --query Cluster.Tags

输出:

[ { "Value": "male", "Key": "sex" }, { "Value": "123 East NW Seattle", "Key": "address" }, { "Value": "John Doe", "Key": "name" }, { "Value": "29", "Key": "age" } ]
  • 有关 API 的详细信息,请参阅Amazon CLI 命令参考AddTags中的。

以下代码示例演示如何使用 create-cluster-examples

Amazon CLI

以下大多数示例都假设您指定了自己的 Amazon EMR 服务角色和 Amazon EC2 实例配置文件。如果您尚未执行此操作,则必须指定每个必需的 IAM 角色或在创建集群时使用--use-default-roles参数。有关指定 IAM 角色的更多信息,请参阅 A mazon EMR 管理指南中的为亚马逊 EMR Amazon 服务权限配置 IAM 角色

示例 1:创建集群

以下create-cluster示例创建了一个简单的 EMR 集群。

aws emr create-cluster \ --release-label emr-5.14.0 \ --instance-type m4.large \ --instance-count 2

此命令不生成任何输出。

示例 2:创建具有默认 ServiceRole 角色和角色的 Amazon EMR 集群 InstanceProfile

以下create-cluster示例创建了一个使用该配置的 Amazon EMR 集群。--instance-groups

aws emr create-cluster \ --release-label emr-5.14.0 \ --service-role EMR_DefaultRole \ --ec2-attributes InstanceProfile=EMR_EC2_DefaultRole \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large

示例 3:创建使用实例队列的 Amazon EMR 集群

以下create-cluster示例创建了一个使用该--instance-fleets配置的 Amazon EMR 集群,为每个队列指定两种实例类型和两个 EC2 子网。

aws emr create-cluster \ --release-label emr-5.14.0 \ --service-role EMR_DefaultRole \ --ec2-attributes InstanceProfile=EMR_EC2_DefaultRole,SubnetIds=['subnet-ab12345c','subnet-de67890f'] \ --instance-fleets InstanceFleetType=MASTER,TargetOnDemandCapacity=1,InstanceTypeConfigs=['{InstanceType=m4.large}'] InstanceFleetType=CORE,TargetSpotCapacity=11,InstanceTypeConfigs=['{InstanceType=m4.large,BidPrice=0.5,WeightedCapacity=3}','{InstanceType=m4.2xlarge,BidPrice=0.9,WeightedCapacity=5}'],LaunchSpecifications={SpotSpecification='{TimeoutDurationMinutes=120,TimeoutAction=SWITCH_TO_ON_DEMAND}'}

示例 4:创建具有默认角色的集群

以下create-cluster示例使用--use-default-roles参数指定默认服务角色和实例配置文件。

aws emr create-cluster \ --release-label emr-5.9.0 \ --use-default-roles \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large \ --auto-terminate

示例 5:创建集群并指定要安装的应用程序

以下create-cluster示例使用--applications参数指定 Amazon EMR 安装的应用程序。此示例安装了 Hadoop、Hive 和 Pig。

aws emr create-cluster \ --applications Name=Hadoop Name=Hive Name=Pig \ --release-label emr-5.9.0 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large \ --auto-terminate

示例 6:创建包含 Spark 的集群

以下示例安装了 Spark。

aws emr create-cluster \ --release-label emr-5.9.0 \ --applications Name=Spark \ --ec2-attributes KeyName=myKey \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large \ --auto-terminate

示例 7:指定用于集群实例的自定义 AMI

以下create-cluster示例基于标识为 Amazon Linux AMI 的集群实例ami-a518e6df

aws emr create-cluster \ --name "Cluster with My Custom AMI" \ --custom-ami-id ami-a518e6df \ --ebs-root-volume-size 20 \ --release-label emr-5.9.0 \ --use-default-roles \ --instance-count 2 \ --instance-type m4.large

示例 8:自定义应用程序配置

以下示例使用--configurations参数指定包含 Hadoop 应用程序自定义项的 JSON 配置文件。有关更多信息,请参阅 Amazon EMR 发行版指南中的配置应用程序

configurations.json 的内容:

[ { "Classification": "mapred-site", "Properties": { "mapred.tasktracker.map.tasks.maximum": 2 } }, { "Classification": "hadoop-env", "Properties": {}, "Configurations": [ { "Classification": "export", "Properties": { "HADOOP_DATANODE_HEAPSIZE": 2048, "HADOOP_NAMENODE_OPTS": "-XX:GCTimeRatio=19" } } ] } ]

以下示例以本地文件configurations.json形式引用。

aws emr create-cluster \ --configurations file://configurations.json \ --release-label emr-5.9.0 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large \ --auto-terminate

以下示例在 Amazon S3 中以文件configurations.json形式引用。

aws emr create-cluster \ --configurations https://s3.amazonaws.com/myBucket/configurations.json \ --release-label emr-5.9.0 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large \ --auto-terminate

示例 9:创建包含主实例组、核心实例组和任务实例组的集群

以下create-cluster示例用于指定--instance-groups用于主实例组、核心实例组和任务实例组的 EC2 实例的类型和数量。

aws emr create-cluster \ --release-label emr-5.9.0 \ --instance-groups Name=Master,InstanceGroupType=MASTER,InstanceType=m4.large,InstanceCount=1 Name=Core,InstanceGroupType=CORE,InstanceType=m4.large,InstanceCount=2 Name=Task,InstanceGroupType=TASK,InstanceType=m4.large,InstanceCount=2

示例 10:指定集群应在完成所有步骤后终止

以下create-cluster示例--auto-terminate用于指定集群应在完成所有步骤后自动关闭。

aws emr create-cluster \ --release-label emr-5.9.0 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large \ --auto-terminate

示例 11:指定集群配置详细信息,例如 Amazon EC2 密钥对、网络配置和安全组

以下create-cluster示例使用名为 Amazon EC2 密钥对myKey和名为的自定义实例配置文件创建一个集群myProfile。密钥对用于授权与群集节点(通常是主节点)的 SSH 连接。有关更多信息,请参阅《亚马逊 EMR 管理指南》中的 “使用 Amazon EC2 密钥对获取 SSH 凭证”。

aws emr create-cluster \ --ec2-attributes KeyName=myKey,InstanceProfile=myProfile \ --release-label emr-5.9.0 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large \ --auto-terminate

以下示例在 Amazon VPC 子网中创建了一个集群。

aws emr create-cluster \ --ec2-attributes SubnetId=subnet-xxxxx \ --release-label emr-5.9.0 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large \ --auto-terminate

以下示例在us-east-1b可用区中创建集群。

aws emr create-cluster \ --ec2-attributes AvailabilityZone=us-east-1b \ --release-label emr-5.9.0 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large

以下示例创建了一个集群并仅指定了 Amazon EMR 托管的安全组。

aws emr create-cluster \ --release-label emr-5.9.0 \ --service-role myServiceRole \ --ec2-attributes InstanceProfile=myRole,EmrManagedMasterSecurityGroup=sg-master1,EmrManagedSlaveSecurityGroup=sg-slave1 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large

以下示例创建了一个集群并仅指定了其他 Amazon EC2 安全组。

aws emr create-cluster \ --release-label emr-5.9.0 \ --service-role myServiceRole \ --ec2-attributes InstanceProfile=myRole,AdditionalMasterSecurityGroups=[sg-addMaster1,sg-addMaster2,sg-addMaster3,sg-addMaster4],AdditionalSlaveSecurityGroups=[sg-addSlave1,sg-addSlave2,sg-addSlave3,sg-addSlave4] \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large

以下示例创建集群并指定 EMR 管理的安全组以及其他安全组。

aws emr create-cluster \ --release-label emr-5.9.0 \ --service-role myServiceRole \ --ec2-attributes InstanceProfile=myRole,EmrManagedMasterSecurityGroup=sg-master1,EmrManagedSlaveSecurityGroup=sg-slave1,AdditionalMasterSecurityGroups=[sg-addMaster1,sg-addMaster2,sg-addMaster3,sg-addMaster4],AdditionalSlaveSecurityGroups=[sg-addSlave1,sg-addSlave2,sg-addSlave3,sg-addSlave4] \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large

以下示例在 VPC 私有子网中创建集群,并使用特定的 Amazon EC2 安全组启用 Amazon EMR 服务访问权限,这是私有子网中的集群所必需的。

aws emr create-cluster \ --release-label emr-5.9.0 \ --service-role myServiceRole \ --ec2-attributes InstanceProfile=myRole,ServiceAccessSecurityGroup=sg-service-access,EmrManagedMasterSecurityGroup=sg-master,EmrManagedSlaveSecurityGroup=sg-slave \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large

以下示例使用存储在本地的名为 JSON 文件ec2_attributes.json来指定安全组配置参数。注意:JSON 参数必须将选项和值作为它们自己的项目包含在列表中。

aws emr create-cluster \ --release-label emr-5.9.0 \ --service-role myServiceRole \ --ec2-attributes file://ec2_attributes.json \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large

ec2_attributes.json 的内容:

[ { "SubnetId": "subnet-xxxxx", "KeyName": "myKey", "InstanceProfile":"myRole", "EmrManagedMasterSecurityGroup": "sg-master1", "EmrManagedSlaveSecurityGroup": "sg-slave1", "ServiceAccessSecurityGroup": "sg-service-access", "AdditionalMasterSecurityGroups": ["sg-addMaster1","sg-addMaster2","sg-addMaster3","sg-addMaster4"], "AdditionalSlaveSecurityGroups": ["sg-addSlave1","sg-addSlave2","sg-addSlave3","sg-addSlave4"] } ]

示例 12:启用调试并指定日志 URI

以下create-cluster示例使用--enable-debugging参数,该参数允许您使用 Amazon EMR 控制台中的调试工具更轻松地查看日志文件。--log-uri参数是必需的--enable-debugging

aws emr create-cluster \ --enable-debugging \ --log-uri s3://myBucket/myLog \ --release-label emr-5.9.0 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large \ --auto-terminate

示例 13:在创建集群时添加标签

标签是键值对,可帮助您识别和管理集群。以下create-cluster示例使用--tags参数为集群创建三个标签,一个带有密钥名称name和值Shirley Rodriguez,第二个标签包含密钥名称age和值29,第三个标签包含密钥名称department和值Analytics

aws emr create-cluster \ --tags name="Shirley Rodriguez" age=29 department="Analytics" \ --release-label emr-5.32.0 \ --instance-type m5.xlarge \ --instance-count 3 \ --use-default-roles

以下示例列出了应用于集群的标签。

aws emr describe-cluster \ --cluster-id j-XXXXXXYY \ --query Cluster.Tags

示例 14:使用启用加密和其他安全功能的安全配置

以下create-cluster示例使用--security-configuration参数为 EMR 集群指定安全配置。您可以在 Amazon EMR 4.8.0 或更高版本中使用安全配置。

aws emr create-cluster \ --instance-type m4.large \ --release-label emr-5.9.0 \ --security-configuration mySecurityConfiguration

示例 15:创建具有为实例组配置的额外 EBS 存储卷的集群

指定其他 EBS 卷时,需要以下参数:VolumeTypeSizeInGB如果EbsBlockDeviceConfigs已指定。

以下create-cluster示例创建了一个集群,其中有多个 EBS 卷连接到核心实例组中的 EC2 实例。

aws emr create-cluster \ --release-label emr-5.9.0 \ --use-default-roles \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=d2.xlarge 'InstanceGroupType=CORE,InstanceCount=2,InstanceType=d2.xlarge,EbsConfiguration={EbsOptimized=true,EbsBlockDeviceConfigs=[{VolumeSpecification={VolumeType=gp2,SizeInGB=100}},{VolumeSpecification={VolumeType=io1,SizeInGB=100,Iops=100},VolumesPerInstance=4}]}' \ --auto-terminate

以下示例创建了一个集群,其中有多个 EBS 卷连接到主实例组中的 EC2 实例。

aws emr create-cluster \ --release-label emr-5.9.0 \ --use-default-roles \ --instance-groups 'InstanceGroupType=MASTER, InstanceCount=1, InstanceType=d2.xlarge, EbsConfiguration={EbsOptimized=true, EbsBlockDeviceConfigs=[{VolumeSpecification={VolumeType=io1, SizeInGB=100, Iops=100}},{VolumeSpecification={VolumeType=standard,SizeInGB=50},VolumesPerInstance=3}]}' InstanceGroupType=CORE,InstanceCount=2,InstanceType=d2.xlarge \ --auto-terminate

示例 16:使用自动扩展策略创建集群

您可以使用 Amazon EMR 版本 4.0 及更高版本将自动扩展策略附加到核心实例组和任务实例组。自动扩展策略会根据 Amazon CloudWatch 指标动态添加和删除 EC2 实例。有关更多信息,请参阅亚马逊 EMR 管理指南中的在亚马逊 EMR 中使用自动缩放 < https://docs.aws.amazon.com/emr/latest/ManagementGuide/emr-automatic-scaling.html>`_。

附加自动扩展策略时,还必须使用--auto-scaling-role EMR_AutoScaling_DefaultRole指定自动扩展的默认角色。

以下create-cluster示例使用带有嵌入式 JSON 结构的AutoScalingPolicy参数指定CORE实例组的自动扩展策略,该结构指定了扩展策略配置。具有嵌入式 JSON 结构的实例组必须将整个参数集合用单引号括起来。对于没有嵌入式 JSON 结构的实例组,可选择使用单引号。

aws emr create-cluster --release-label emr-5.9.0 \ --use-default-roles --auto-scaling-role EMR_AutoScaling_DefaultRole \ --instance-groups InstanceGroupType=MASTER,InstanceType=d2.xlarge,InstanceCount=1 'InstanceGroupType=CORE,InstanceType=d2.xlarge,InstanceCount=2,AutoScalingPolicy={Constraints={MinCapacity=1,MaxCapacity=5},Rules=[{Name=TestRule,Description=TestDescription,Action={Market=ON_DEMAND,SimpleScalingPolicyConfiguration={AdjustmentType=EXACT_CAPACITY,ScalingAdjustment=2}},Trigger={CloudWatchAlarmDefinition={ComparisonOperator=GREATER_THAN,EvaluationPeriods=5,MetricName=TestMetric,Namespace=EMR,Period=3,Statistic=MAXIMUM,Threshold=4.5,Unit=NONE,Dimensions=[{Key=TestKey,Value=TestValue}]}}}]}'

以下示例使用 JSON 文件来指定集群中所有实例组的配置。instancegroupconfig.jsonJSON 文件指定了核心实例组的自动扩展策略配置。

aws emr create-cluster \ --release-label emr-5.9.0 \ --service-role EMR_DefaultRole \ --ec2-attributes InstanceProfile=EMR_EC2_DefaultRole \ --instance-groups file://myfolder/instancegroupconfig.json \ --auto-scaling-role EMR_AutoScaling_DefaultRole

instancegroupconfig.json 的内容:

[ { "InstanceCount": 1, "Name": "MyMasterIG", "InstanceGroupType": "MASTER", "InstanceType": "m4.large" }, { "InstanceCount": 2, "Name": "MyCoreIG", "InstanceGroupType": "CORE", "InstanceType": "m4.large", "AutoScalingPolicy": { "Constraints": { "MinCapacity": 2, "MaxCapacity": 10 }, "Rules": [ { "Name": "Default-scale-out", "Description": "Replicates the default scale-out rule in the console for YARN memory.", "Action": { "SimpleScalingPolicyConfiguration": { "AdjustmentType": "CHANGE_IN_CAPACITY", "ScalingAdjustment": 1, "CoolDown": 300 } }, "Trigger": { "CloudWatchAlarmDefinition": { "ComparisonOperator": "LESS_THAN", "EvaluationPeriods": 1, "MetricName": "YARNMemoryAvailablePercentage", "Namespace": "AWS/ElasticMapReduce", "Period": 300, "Threshold": 15, "Statistic": "AVERAGE", "Unit": "PERCENT", "Dimensions": [ { "Key": "JobFlowId", "Value": "${emr.clusterId}" } ] } } } ] } } ]

示例 17:在创建集群时添加自定义 JAR 步骤

以下create-cluster示例通过指定存储在 Amazon S3 中的 JAR 文件来添加步骤。步骤将工作提交到集群。JAR 文件中定义的主函数将在配置 EC2 实例、执行所有引导操作并安装应用程序之后执行。这些步骤是使用指定的Type=CUSTOM_JAR

自定义 JAR 步骤需要Jar=参数,该参数指定 JAR 的路径和文件名。可选参数有TypeNameActionOnFailureArgs、和MainClass。如果未指定主类,则 JAR 文件应在其清单文件Main-Class中指定。

aws emr create-cluster \ --steps Type=CUSTOM_JAR,Name=CustomJAR,ActionOnFailure=CONTINUE,Jar=s3://myBucket/mytest.jar,Args=arg1,arg2,arg3 Type=CUSTOM_JAR,Name=CustomJAR,ActionOnFailure=CONTINUE,Jar=s3://myBucket/mytest.jar,MainClass=mymainclass,Args=arg1,arg2,arg3 \ --release-label emr-5.3.1 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large \ --auto-terminate

示例 18:在创建集群时添加直播步骤

以下create-cluster示例向集群添加了一个流式处理步骤,该步骤将在所有步骤运行后终止。直播步骤需要参数TypeArgs。直播步骤可选参数为NameActionOnFailure

以下示例指定了行内步骤。

aws emr create-cluster \ --steps Type=STREAMING,Name='Streaming Program',ActionOnFailure=CONTINUE,Args=[-files,s3://elasticmapreduce/samples/wordcount/wordSplitter.py,-mapper,wordSplitter.py,-reducer,aggregate,-input,s3://elasticmapreduce/samples/wordcount/input,-output,s3://mybucket/wordcount/output] \ --release-label emr-5.3.1 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large \ --auto-terminate

以下示例使用本地存储的名为的 JSON 配置文件multiplefiles.json。JSON 配置指定了多个文件。要在一个步骤中指定多个文件,必须使用 JSON 配置文件来指定该步骤。JSON 参数必须将选项和值作为它们自己的项目包含在列表中。

aws emr create-cluster \ --steps file://./multiplefiles.json \ --release-label emr-5.9.0 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large \ --auto-terminate

multiplefiles.json 的内容:

[ { "Name": "JSON Streaming Step", "Args": [ "-files", "s3://elasticmapreduce/samples/wordcount/wordSplitter.py", "-mapper", "wordSplitter.py", "-reducer", "aggregate", "-input", "s3://elasticmapreduce/samples/wordcount/input", "-output", "s3://mybucket/wordcount/output" ], "ActionOnFailure": "CONTINUE", "Type": "STREAMING" } ]

示例 19:在创建集群时添加 Hive 步骤

以下示例在创建集群时添加 Hive 步骤。Hive 步骤需要参数Type和。ArgsHive 步骤可选参数为Name和。ActionOnFailure

aws emr create-cluster \ --steps Type=HIVE,Name='Hive program',ActionOnFailure=CONTINUE,ActionOnFailure=TERMINATE_CLUSTER,Args=[-f,s3://elasticmapreduce/samples/hive-ads/libs/model-build.q,-d,INPUT=s3://elasticmapreduce/samples/hive-ads/tables,-d,OUTPUT=s3://mybucket/hive-ads/output/2014-04-18/11-07-32,-d,LIBS=s3://elasticmapreduce/samples/hive-ads/libs] \ --applications Name=Hive \ --release-label emr-5.3.1 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large

示例 20:在创建集群时添加 Pig 步骤

以下示例在创建集群时添加了 Pig 步骤。Pig 步骤所需的参数是TypeArgs。Pig steps 可选参数是NameActionOnFailure

aws emr create-cluster \ --steps Type=PIG,Name='Pig program',ActionOnFailure=CONTINUE,Args=[-f,s3://elasticmapreduce/samples/pig-apache/do-reports2.pig,-p,INPUT=s3://elasticmapreduce/samples/pig-apache/input,-p,OUTPUT=s3://mybucket/pig-apache/output] \ --applications Name=Pig \ --release-label emr-5.3.1 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large

示例 21:添加引导操作

以下create-cluster示例运行两个定义为存储在 Amazon S3 中的脚本的引导操作。

aws emr create-cluster \ --bootstrap-actions Path=s3://mybucket/myscript1,Name=BootstrapAction1,Args=[arg1,arg2] Path=s3://mybucket/myscript2,Name=BootstrapAction2,Args=[arg1,arg2] \ --release-label emr-5.3.1 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large \ --auto-terminate

示例 22:启用 EMRFS 一致视图并自定义和设置 RetryCount RetryPeriod

以下create-cluster示例指定 EMRFS 一致视图的重试次数和重试周期。Consistent=true 是必需参数。

aws emr create-cluster \ --instance-type m4.large \ --release-label emr-5.9.0 \ --emrfs Consistent=true,RetryCount=6,RetryPeriod=30

以下示例使用本地存储的名为的 JSON 配置文件指定了与前一个示例相同的 EMRFS 配置。emrfsconfig.json

aws emr create-cluster \ --instance-type m4.large \ --release-label emr-5.9.0 \ --emrfs file://emrfsconfig.json

emrfsconfig.json 的内容:

{ "Consistent": true, "RetryCount": 6, "RetryPeriod": 30 }

示例 23:创建配置了 Kerberos 的集群

以下create-cluster示例使用启用了 Kerberos 的安全配置创建集群,并使用为集群建立 Kerberos 参数。--kerberos-attributes

以下命令以内联方式指定集群的 Kerberos 属性。

aws emr create-cluster \ --instance-type m3.xlarge \ --release-label emr-5.10.0 \ --service-role EMR_DefaultRole \ --ec2-attributes InstanceProfile=EMR_EC2_DefaultRole \ --security-configuration mySecurityConfiguration \ --kerberos-attributes Realm=EC2.INTERNAL,KdcAdminPassword=123,CrossRealmTrustPrincipalPassword=123

以下命令指定了相同的属性,但引用了名为的本地存储的 JSON 文件kerberos_attributes.json。在此示例中,文件保存在您运行命令的同一目录中。您也可以参考保存在 Amazon S3 中的配置文件。

aws emr create-cluster \ --instance-type m3.xlarge \ --release-label emr-5.10.0 \ --service-role EMR_DefaultRole \ --ec2-attributes InstanceProfile=EMR_EC2_DefaultRole \ --security-configuration mySecurityConfiguration \ --kerberos-attributes file://kerberos_attributes.json

kerberos_attributes.json 的内容:

{ "Realm": "EC2.INTERNAL", "KdcAdminPassword": "123", "CrossRealmTrustPrincipalPassword": "123", }

以下create-cluster示例创建了一个使用该--instance-groups配置并具有托管扩展策略的 Amazon EMR 集群。

aws emr create-cluster \ --release-label emr-5.30.0 \ --service-role EMR_DefaultRole \ --ec2-attributes InstanceProfile=EMR_EC2_DefaultRole \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large --managed-scaling-policy ComputeLimits='{MinimumCapacityUnits=2,MaximumCapacityUnits=4,UnitType=Instances}'

以下create-cluster示例创建了一个 Amazon EMR 集群,该集群使用 “--log-encryption-kms-key-id” 来定义用于日志加密的 KMS 密钥 ID。

aws emr create-cluster \ --release-label emr-5.30.0 \ --log-uri s3://myBucket/myLog \ --log-encryption-kms-key-id arn:aws:kms:us-east-1:110302272565:key/dd559181-283e-45d7-99d1-66da348c4d33 \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=2,InstanceType=m4.large

以下create-cluster示例创建了一个 Amazon EMR 集群,该集群使用 “--placement-group-configs” 配置使用SPREAD放置策略将主节点放置在 EC2 置放群组内的高可用性 (HA) 集群中。

aws emr create-cluster \ --release-label emr-5.30.0 \ --service-role EMR_DefaultRole \ --ec2-attributes InstanceProfile=EMR_EC2_DefaultRole \ --instance-groups InstanceGroupType=MASTER,InstanceCount=3,InstanceType=m4.largeInstanceGroupType=CORE,InstanceCount=1,InstanceType=m4.large \ --placement-group-configs InstanceRole=MASTER

以下create-cluster示例创建了一个 Amazon EMR 集群,该集群使用 “--auto-termination-policy” 配置为集群设置自动空闲终止阈值。

aws emr create-cluster \ --release-label emr-5.34.0 \ --service-role EMR_DefaultRole \ --ec2-attributes InstanceProfile=EMR_EC2_DefaultRole \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=1,InstanceType=m4.large \ --auto-termination-policy IdleTimeout=100

以下create-cluster示例创建了一个 Amazon EMR 集群,该集群使用 “--os-release-label” 来定义用于集群启动的 Amazon Linux 版本

aws emr create-cluster \ --release-label emr-6.6.0 \ --os-release-label 2.0.20220406.1 \ --service-role EMR_DefaultRole \ --ec2-attributes InstanceProfile=EMR_EC2_DefaultRole \ --instance-groups InstanceGroupType=MASTER,InstanceCount=1,InstanceType=m4.large InstanceGroupType=CORE,InstanceCount=1,InstanceType=m4.large

示例 24:指定 EBS 根卷属性:使用 EMR 6.15.0 及更高版本创建的集群实例的大小、IOPS 和吞吐量

以下create-cluster示例创建了一个 Amazon EMR 集群,该集群使用根卷属性为 EC2 实例配置根卷规范。

aws emr create-cluster \ --name "Cluster with My Custom AMI" \ --custom-ami-id ami-a518e6df \ --ebs-root-volume-size 20 \ --ebs-root-volume-iops 3000 \ --ebs-root-volume-throughput 125 \ --release-label emr-6.15.0 \ --use-default-roles \ --instance-count 2 \ --instance-type m4.large

以下代码示例演示如何使用 create-default-roles

Amazon CLI

1。为 EC2 创建默认 IAM 角色

命令:

aws emr create-default-roles

输出:

If the role already exists then the command returns nothing. If the role does not exist then the output will be: [ { "RolePolicy": { "Version": "2012-10-17", "Statement": [ { "Action": [ "cloudwatch:*", "dynamodb:*", "ec2:Describe*", "elasticmapreduce:Describe*", "elasticmapreduce:ListBootstrapActions", "elasticmapreduce:ListClusters", "elasticmapreduce:ListInstanceGroups", "elasticmapreduce:ListInstances", "elasticmapreduce:ListSteps", "kinesis:CreateStream", "kinesis:DeleteStream", "kinesis:DescribeStream", "kinesis:GetRecords", "kinesis:GetShardIterator", "kinesis:MergeShards", "kinesis:PutRecord", "kinesis:SplitShard", "rds:Describe*", "s3:*", "sdb:*", "sns:*", "sqs:*" ], "Resource": "*", "Effect": "Allow" } ] }, "Role": { "AssumeRolePolicyDocument": { "Version": "2008-10-17", "Statement": [ { "Action": "sts:AssumeRole", "Sid": "", "Effect": "Allow", "Principal": { "Service": "ec2.amazonaws.com" } } ] }, "RoleId": "AROAIQ5SIQUGL5KMYBJX6", "CreateDate": "2015-06-09T17:09:04.602Z", "RoleName": "EMR_EC2_DefaultRole", "Path": "/", "Arn": "arn:aws:iam::176430881729:role/EMR_EC2_DefaultRole" } }, { "RolePolicy": { "Version": "2012-10-17", "Statement": [ { "Action": [ "ec2:AuthorizeSecurityGroupIngress", "ec2:CancelSpotInstanceRequests", "ec2:CreateSecurityGroup", "ec2:CreateTags", "ec2:DeleteTags", "ec2:DescribeAvailabilityZones", "ec2:DescribeAccountAttributes", "ec2:DescribeInstances", "ec2:DescribeInstanceStatus", "ec2:DescribeKeyPairs", "ec2:DescribePrefixLists", "ec2:DescribeRouteTables", "ec2:DescribeSecurityGroups", "ec2:DescribeSpotInstanceRequests", "ec2:DescribeSpotPriceHistory", "ec2:DescribeSubnets", "ec2:DescribeVpcAttribute", "ec2:DescribeVpcEndpoints", "ec2:DescribeVpcEndpointServices", "ec2:DescribeVpcs", "ec2:ModifyImageAttribute", "ec2:ModifyInstanceAttribute", "ec2:RequestSpotInstances", "ec2:RunInstances", "ec2:TerminateInstances", "iam:GetRole", "iam:GetRolePolicy", "iam:ListInstanceProfiles", "iam:ListRolePolicies", "iam:PassRole", "s3:CreateBucket", "s3:Get*", "s3:List*", "sdb:BatchPutAttributes", "sdb:Select", "sqs:CreateQueue", "sqs:Delete*", "sqs:GetQueue*", "sqs:ReceiveMessage" ], "Resource": "*", "Effect": "Allow" } ] }, "Role": { "AssumeRolePolicyDocument": { "Version": "2008-10-17", "Statement": [ { "Action": "sts:AssumeRole", "Sid": "", "Effect": "Allow", "Principal": { "Service": "elasticmapreduce.amazonaws.com" } } ] }, "RoleId": "AROAI3SRVPPVSRDLARBPY", "CreateDate": "2015-06-09T17:09:10.401Z", "RoleName": "EMR_DefaultRole", "Path": "/", "Arn": "arn:aws:iam::176430881729:role/EMR_DefaultRole" } } ]
  • 有关 API 的详细信息,请参阅Amazon CLI 命令参考CreateDefaultRoles中的。

以下代码示例演示如何使用 create-security-configuration

Amazon CLI

1。创建安全配置,启用传输中加密,证书提供者使用 PEM 启用 PEM,对于 S3 加密,使用 SSE-S3 启用静态加密,本地磁盘密 Amazon钥提供者使用-KMS 启用静态加密

命令:

aws emr create-security-configuration --name MySecurityConfig --security-configuration '{ "EncryptionConfiguration": { "EnableInTransitEncryption" : true, "EnableAtRestEncryption" : true, "InTransitEncryptionConfiguration" : { "TLSCertificateConfiguration" : { "CertificateProviderType" : "PEM", "S3Object" : "s3://mycertstore/artifacts/MyCerts.zip" } }, "AtRestEncryptionConfiguration" : { "S3EncryptionConfiguration" : { "EncryptionMode" : "SSE-S3" }, "LocalDiskEncryptionConfiguration" : { "EncryptionKeyProviderType" : "AwsKms", "AwsKmsKey" : "arn:aws:kms:us-east-1:123456789012:key/12345678-1234-1234-1234-123456789012" } } } }'

输出:

{ "CreationDateTime": 1474070889.129, "Name": "MySecurityConfig" }

JSON 等效项(安全配置.json 的内容):

{ "EncryptionConfiguration": { "EnableInTransitEncryption": true, "EnableAtRestEncryption": true, "InTransitEncryptionConfiguration": { "TLSCertificateConfiguration": { "CertificateProviderType": "PEM", "S3Object": "s3://mycertstore/artifacts/MyCerts.zip" } }, "AtRestEncryptionConfiguration": { "S3EncryptionConfiguration": { "EncryptionMode": "SSE-S3" }, "LocalDiskEncryptionConfiguration": { "EncryptionKeyProviderType": "AwsKms", "AwsKmsKey": "arn:aws:kms:us-east-1:123456789012:key/12345678-1234-1234-1234-123456789012" } } } }

命令(使用 security_configuration.json):

aws emr create-security-configuration --name "MySecurityConfig" --security-configuration file://./security_configuration.json

输出:

{ "CreationDateTime": 1474070889.129, "Name": "MySecurityConfig" }

2。使用集群专用 KDC 和跨领域信任创建启用 Kerberos 的安全配置

命令:

aws emr create-security-configuration --name MySecurityConfig --security-configuration '{ "AuthenticationConfiguration": { "KerberosConfiguration": { "Provider": "ClusterDedicatedKdc", "ClusterDedicatedKdcConfiguration": { "TicketLifetimeInHours": 24, "CrossRealmTrustConfiguration": { "Realm": "AD.DOMAIN.COM", "Domain": "ad.domain.com", "AdminServer": "ad.domain.com", "KdcServer": "ad.domain.com" } } } } }'

输出:

{ "CreationDateTime": 1490225558.982, "Name": "MySecurityConfig" }

JSON 等效项(安全配置.json 的内容):

{ "AuthenticationConfiguration": { "KerberosConfiguration": { "Provider": "ClusterDedicatedKdc", "ClusterDedicatedKdcConfiguration": { "TicketLifetimeInHours": 24, "CrossRealmTrustConfiguration": { "Realm": "AD.DOMAIN.COM", "Domain": "ad.domain.com", "AdminServer": "ad.domain.com", "KdcServer": "ad.domain.com" } } } } }

命令(使用 security_configuration.json):

aws emr create-security-configuration --name "MySecurityConfig" --security-configuration file://./security_configuration.json

输出:

{ "CreationDateTime": 1490225558.982, "Name": "MySecurityConfig" }

以下代码示例演示如何使用 delete-security-configuration

Amazon CLI

删除当前区域中的安全配置

命令:

aws emr delete-security-configuration --name MySecurityConfig

输出:

None

以下代码示例演示如何使用 describe-cluster

Amazon CLI

命令:

aws emr describe-cluster --cluster-id j-XXXXXXXX

输出:

For release-label based uniform instance groups cluster: { "Cluster": { "Status": { "Timeline": { "ReadyDateTime": 1436475075.199, "CreationDateTime": 1436474656.563, }, "State": "WAITING", "StateChangeReason": { "Message": "Waiting for steps to run" } }, "Ec2InstanceAttributes": { "ServiceAccessSecurityGroup": "sg-xxxxxxxx", "EmrManagedMasterSecurityGroup": "sg-xxxxxxxx", "IamInstanceProfile": "EMR_EC2_DefaultRole", "Ec2KeyName": "myKey", "Ec2AvailabilityZone": "us-east-1c", "EmrManagedSlaveSecurityGroup": "sg-yyyyyyyyy" }, "Name": "My Cluster", "ServiceRole": "EMR_DefaultRole", "Tags": [], "TerminationProtected": true, "UnhealthyNodeReplacement": true, "ReleaseLabel": "emr-4.0.0", "NormalizedInstanceHours": 96, "InstanceGroups": [ { "RequestedInstanceCount": 2, "Status": { "Timeline": { "ReadyDateTime": 1436475074.245, "CreationDateTime": 1436474656.564, "EndDateTime": 1436638158.387 }, "State": "RUNNING", "StateChangeReason": { "Message": "", } }, "Name": "CORE", "InstanceGroupType": "CORE", "Id": "ig-YYYYYYY", "Configurations": [], "InstanceType": "m3.large", "Market": "ON_DEMAND", "RunningInstanceCount": 2 }, { "RequestedInstanceCount": 1, "Status": { "Timeline": { "ReadyDateTime": 1436475074.245, "CreationDateTime": 1436474656.564, "EndDateTime": 1436638158.387 }, "State": "RUNNING", "StateChangeReason": { "Message": "", } }, "Name": "MASTER", "InstanceGroupType": "MASTER", "Id": "ig-XXXXXXXXX", "Configurations": [], "InstanceType": "m3.large", "Market": "ON_DEMAND", "RunningInstanceCount": 1 } ], "Applications": [ { "Name": "Hadoop" } ], "VisibleToAllUsers": true, "BootstrapActions": [], "MasterPublicDnsName": "ec2-54-147-144-78.compute-1.amazonaws.com", "AutoTerminate": false, "Id": "j-XXXXXXXX", "Configurations": [ { "Properties": { "fs.s3.consistent.retryPeriodSeconds": "20", "fs.s3.enableServerSideEncryption": "true", "fs.s3.consistent": "false", "fs.s3.consistent.retryCount": "2" }, "Classification": "emrfs-site" } ] } } For release-label based instance fleet cluster: { "Cluster": { "Status": { "Timeline": { "ReadyDateTime": 1487897289.705, "CreationDateTime": 1487896933.942 }, "State": "WAITING", "StateChangeReason": { "Message": "Waiting for steps to run" } }, "Ec2InstanceAttributes": { "EmrManagedMasterSecurityGroup": "sg-xxxxx", "RequestedEc2AvailabilityZones": [], "RequestedEc2SubnetIds": [], "IamInstanceProfile": "EMR_EC2_DefaultRole", "Ec2AvailabilityZone": "us-east-1a", "EmrManagedSlaveSecurityGroup": "sg-xxxxx" }, "Name": "My Cluster", "ServiceRole": "EMR_DefaultRole", "Tags": [], "TerminationProtected": false, "UnhealthyNodeReplacement": false, "ReleaseLabel": "emr-5.2.0", "NormalizedInstanceHours": 472, "InstanceCollectionType": "INSTANCE_FLEET", "InstanceFleets": [ { "Status": { "Timeline": { "ReadyDateTime": 1487897212.74, "CreationDateTime": 1487896933.948 }, "State": "RUNNING", "StateChangeReason": { "Message": "" } }, "ProvisionedSpotCapacity": 1, "Name": "MASTER", "InstanceFleetType": "MASTER", "LaunchSpecifications": { "SpotSpecification": { "TimeoutDurationMinutes": 60, "TimeoutAction": "TERMINATE_CLUSTER" } }, "TargetSpotCapacity": 1, "ProvisionedOnDemandCapacity": 0, "InstanceTypeSpecifications": [ { "BidPrice": "0.5", "InstanceType": "m3.xlarge", "WeightedCapacity": 1 } ], "Id": "if-xxxxxxx", "TargetOnDemandCapacity": 0 } ], "Applications": [ { "Version": "2.7.3", "Name": "Hadoop" } ], "ScaleDownBehavior": "TERMINATE_AT_INSTANCE_HOUR", "VisibleToAllUsers": true, "BootstrapActions": [], "MasterPublicDnsName": "ec2-xxx-xx-xxx-xx.compute-1.amazonaws.com", "AutoTerminate": false, "Id": "j-xxxxx", "Configurations": [] } } For ami based uniform instance group cluster: { "Cluster": { "Status": { "Timeline": { "ReadyDateTime": 1399400564.432, "CreationDateTime": 1399400268.62 }, "State": "WAITING", "StateChangeReason": { "Message": "Waiting for steps to run" } }, "Ec2InstanceAttributes": { "IamInstanceProfile": "EMR_EC2_DefaultRole", "Ec2AvailabilityZone": "us-east-1c" }, "Name": "My Cluster", "Tags": [], "TerminationProtected": true, "UnhealthyNodeReplacement": true, "RunningAmiVersion": "2.5.4", "InstanceGroups": [ { "RequestedInstanceCount": 1, "Status": { "Timeline": { "ReadyDateTime": 1399400558.848, "CreationDateTime": 1399400268.621 }, "State": "RUNNING", "StateChangeReason": { "Message": "" } }, "Name": "Master instance group", "InstanceGroupType": "MASTER", "InstanceType": "m1.small", "Id": "ig-ABCD", "Market": "ON_DEMAND", "RunningInstanceCount": 1 }, { "RequestedInstanceCount": 2, "Status": { "Timeline": { "ReadyDateTime": 1399400564.439, "CreationDateTime": 1399400268.621 }, "State": "RUNNING", "StateChangeReason": { "Message": "" } }, "Name": "Core instance group", "InstanceGroupType": "CORE", "InstanceType": "m1.small", "Id": "ig-DEF", "Market": "ON_DEMAND", "RunningInstanceCount": 2 } ], "Applications": [ { "Version": "1.0.3", "Name": "hadoop" } ], "BootstrapActions": [], "VisibleToAllUsers": false, "RequestedAmiVersion": "2.4.2", "LogUri": "s3://myLogUri/", "AutoTerminate": false, "Id": "j-XXXXXXXX" } }
  • 有关 API 的详细信息,请参阅Amazon CLI 命令参考DescribeCluster中的。

以下代码示例演示如何使用 describe-step

Amazon CLI

以下命令描述集群中步骤 ID 为 s-3LZC0QUT43AM 和集群 ID 为 j-3SD91U2E1L2QX 的步骤:

aws emr describe-step --cluster-id j-3SD91U2E1L2QX --step-id s-3LZC0QUT43AM

输出:

{ "Step": { "Status": { "Timeline": { "EndDateTime": 1433200470.481, "CreationDateTime": 1433199926.597, "StartDateTime": 1433200404.959 }, "State": "COMPLETED", "StateChangeReason": {} }, "Config": { "Args": [ "s3://us-west-2.elasticmapreduce/libs/hive/hive-script", "--base-path", "s3://us-west-2.elasticmapreduce/libs/hive/", "--install-hive", "--hive-versions", "0.13.1" ], "Jar": "s3://us-west-2.elasticmapreduce/libs/script-runner/script-runner.jar", "Properties": {} }, "Id": "s-3LZC0QUT43AM", "ActionOnFailure": "TERMINATE_CLUSTER", "Name": "Setup hive" } }
  • 有关 API 的详细信息,请参阅Amazon CLI 命令参考DescribeStep中的。

以下代码示例演示如何使用 get

Amazon CLI

以下内容从集群中的主实例下载具有集群 ID 的hadoop-examples.jar档案j-3SD91U2E1L2QX

aws emr get --cluster-id j-3SD91U2E1L2QX --key-pair-file ~/.ssh/mykey.pem --src /home/hadoop-examples.jar --dest ~
  • 有关 API 的详细信息,请参阅 Get in Amazon CLI 命令参考

以下代码示例演示如何使用 list-clusters

Amazon CLI

以下命令列出了当前区域中所有活动的 EMR 集群:

aws emr list-clusters --active

输出:

{ "Clusters": [ { "Status": { "Timeline": { "ReadyDateTime": 1433200405.353, "CreationDateTime": 1433199926.596 }, "State": "WAITING", "StateChangeReason": { "Message": "Waiting after step completed" } }, "NormalizedInstanceHours": 6, "Id": "j-3SD91U2E1L2QX", "Name": "my-cluster" } ] }
  • 有关 API 的详细信息,请参阅Amazon CLI 命令参考ListClusters中的。

以下代码示例演示如何使用 list-instance-fleets

Amazon CLI

获取集群中实例队列的配置详细信息

此示例列出了指定集群中实例队列的详细信息。

命令:

list-instance-fleets --cluster-id 'j-12ABCDEFGHI34JK'

输出:

{ "InstanceFleets": [ { "Status": { "Timeline": { "ReadyDateTime": 1488759094.637, "CreationDateTime": 1488758719.817 }, "State": "RUNNING", "StateChangeReason": { "Message": "" } }, "ProvisionedSpotCapacity": 6, "Name": "CORE", "InstanceFleetType": "CORE", "LaunchSpecifications": { "SpotSpecification": { "TimeoutDurationMinutes": 60, "TimeoutAction": "TERMINATE_CLUSTER" } }, "ProvisionedOnDemandCapacity": 2, "InstanceTypeSpecifications": [ { "BidPrice": "0.5", "InstanceType": "m3.xlarge", "WeightedCapacity": 2 } ], "Id": "if-1ABC2DEFGHIJ3" }, { "Status": { "Timeline": { "ReadyDateTime": 1488759058.598, "CreationDateTime": 1488758719.811 }, "State": "RUNNING", "StateChangeReason": { "Message": "" } }, "ProvisionedSpotCapacity": 0, "Name": "MASTER", "InstanceFleetType": "MASTER", "ProvisionedOnDemandCapacity": 1, "InstanceTypeSpecifications": [ { "BidPriceAsPercentageOfOnDemandPrice": 100.0, "InstanceType": "m3.xlarge", "WeightedCapacity": 1 } ], "Id": "if-2ABC4DEFGHIJ4" } ] }
  • 有关 API 的详细信息,请参阅Amazon CLI 命令参考ListInstanceFleets中的。

以下代码示例演示如何使用 list-instances

Amazon CLI

以下命令列出了集群中所有具有集群 ID 的实例j-3C6XNQ39VR9WL

aws emr list-instances --cluster-id j-3C6XNQ39VR9WL

输出:

For a uniform instance group based cluster { "Instances": [ { "Status": { "Timeline": { "ReadyDateTime": 1433200400.03, "CreationDateTime": 1433199960.152 }, "State": "RUNNING", "StateChangeReason": {} }, "Ec2InstanceId": "i-f19ecfee", "PublicDnsName": "ec2-52-52-41-150.us-west-2.compute.amazonaws.com", "PrivateDnsName": "ip-172-21-11-216.us-west-2.compute.internal", "PublicIpAddress": "52.52.41.150", "Id": "ci-3NNHQUQ2TWB6Y", "PrivateIpAddress": "172.21.11.216" }, { "Status": { "Timeline": { "ReadyDateTime": 1433200400.031, "CreationDateTime": 1433199949.102 }, "State": "RUNNING", "StateChangeReason": {} }, "Ec2InstanceId": "i-1feee4c2", "PublicDnsName": "ec2-52-63-246-32.us-west-2.compute.amazonaws.com", "PrivateDnsName": "ip-172-31-24-130.us-west-2.compute.internal", "PublicIpAddress": "52.63.246.32", "Id": "ci-GAOCMKNKDCV7", "PrivateIpAddress": "172.21.11.215" }, { "Status": { "Timeline": { "ReadyDateTime": 1433200400.031, "CreationDateTime": 1433199949.102 }, "State": "RUNNING", "StateChangeReason": {} }, "Ec2InstanceId": "i-15cfeee3", "PublicDnsName": "ec2-52-25-246-63.us-west-2.compute.amazonaws.com", "PrivateDnsName": "ip-172-31-24-129.us-west-2.compute.internal", "PublicIpAddress": "52.25.246.63", "Id": "ci-2W3TDFFB47UAD", "PrivateIpAddress": "172.21.11.214" } ] } For a fleet based cluster: { "Instances": [ { "Status": { "Timeline": { "ReadyDateTime": 1487810810.878, "CreationDateTime": 1487810588.367, "EndDateTime": 1488022990.924 }, "State": "TERMINATED", "StateChangeReason": { "Message": "Instance was terminated." } }, "Ec2InstanceId": "i-xxxxx", "InstanceFleetId": "if-xxxxx", "EbsVolumes": [], "PublicDnsName": "ec2-xx-xxx-xxx-xxx.compute-1.amazonaws.com", "InstanceType": "m3.xlarge", "PrivateDnsName": "ip-xx-xx-xxx-xx.ec2.internal", "Market": "SPOT", "PublicIpAddress": "xx.xx.xxx.xxx", "Id": "ci-xxxxx", "PrivateIpAddress": "10.47.191.80" } ] }
  • 有关 API 的详细信息,请参阅Amazon CLI 命令参考ListInstances中的。

以下代码示例演示如何使用 list-security-configurations

Amazon CLI

列出当前区域的安全配置

命令:

aws emr list-security-configurations

输出:

{ "SecurityConfigurations": [ { "CreationDateTime": 1473889697.417, "Name": "MySecurityConfig-1" }, { "CreationDateTime": 1473889697.417, "Name": "MySecurityConfig-2" } ] }

以下代码示例演示如何使用 list-steps

Amazon CLI

以下命令列出了集群 ID 为 j-3SD91U2E1L2QX 的集群的所有步骤:

aws emr list-steps --cluster-id j-3SD91U2E1L2QX
  • 有关 API 的详细信息,请参阅Amazon CLI 命令参考ListSteps中的。

以下代码示例演示如何使用 modify-cluster-attributes

Amazon CLI

以下命令将 ID 为 EMR 集群的可见性设置j-301CDNY0J5XM4为所有用户:

aws emr modify-cluster-attributes --cluster-id j-301CDNY0J5XM4 --visible-to-all-users

以下代码示例演示如何使用 modify-instance-fleet

Amazon CLI

更改实例队列的目标容量

此示例将指定实例队列的按需和竞价目标容量更改为 1。

命令:

aws emr modify-instance-fleet --cluster-id 'j-12ABCDEFGHI34JK' --instance-fleet InstanceFleetId='if-2ABC4DEFGHIJ4',TargetOnDemandCapacity=1,TargetSpotCapacity=1

以下代码示例演示如何使用 put

Amazon CLI

以下命令将名为集群的主实例上传一个名healthcheck.sh为集群的文件,该文件名为集群 ID:j-3SD91U2E1L2QX

aws emr put --cluster-id j-3SD91U2E1L2QX --key-pair-file ~/.ssh/mykey.pem --src ~/scripts/healthcheck.sh --dest /home/hadoop/bin/healthcheck.sh
  • 有关 API 的详细信息,请参阅 P Amazon CLI u t in Command 参考

以下代码示例演示如何使用 remove-tags

Amazon CLI

以下命令prod从集群 ID 为的集群中删除带有密钥的标签j-3SD91U2E1L2QX

aws emr remove-tags --resource-id j-3SD91U2E1L2QX --tag-keys prod
  • 有关 API 的详细信息,请参阅Amazon CLI 命令参考RemoveTags中的。

以下代码示例演示如何使用 schedule-hbase-backup

Amazon CLI

注意:此命令只能与 AMI 版本 2.x 和 3.x 上的 HBase 一起使用

1。要安排完整的 HBase 备份 >>>>>> 0 6ab6d6e13564b5733d75abaf3b599f93cf39a23

命令:

aws emr schedule-hbase-backup --cluster-id j-XXXXXXYY --type full --dir s3://myBucket/backup --interval 10 --unit hours --start-time 2014-04-21T05:26:10Z --consistent

输出:

None

2。计划增量 HBase 备份

命令:

aws emr schedule-hbase-backup --cluster-id j-XXXXXXYY --type incremental --dir s3://myBucket/backup --interval 30 --unit minutes --start-time 2014-04-21T05:26:10Z --consistent

输出:

None

以下代码示例演示如何使用 socks

Amazon CLI

以下命令使用集群 ID 打开与集群中主实例的 socks 连接j-3SD91U2E1L2QX

aws emr socks --cluster-id j-3SD91U2E1L2QX --key-pair-file ~/.ssh/mykey.pem

key pair file 选项采用私钥文件的本地路径。

  • 有关 API 的详细信息,请参阅《Amazon CLI 命令参考》中的 Soc ks

以下代码示例演示如何使用 ssh

Amazon CLI

以下命令使用集群 ID 打开与集群中主实例的 ssh 连接j-3SD91U2E1L2QX

aws emr ssh --cluster-id j-3SD91U2E1L2QX --key-pair-file ~/.ssh/mykey.pem

key pair file 选项采用私钥文件的本地路径。

输出:

ssh -o StrictHostKeyChecking=no -o ServerAliveInterval=10 -i /home/local/user/.ssh/mykey.pem hadoop@ec2-52-52-41-150.us-west-2.compute.amazonaws.com Warning: Permanently added 'ec2-52-52-41-150.us-west-2.compute.amazonaws.com,52.52.41.150' (ECDSA) to the list of known hosts. Last login: Mon Jun 1 23:15:38 2015 __| __|_ ) _| ( / Amazon Linux AMI ___|\___|___| https://aws.amazon.com/amazon-linux-ami/2015.03-release-notes/ 26 package(s) needed for security, out of 39 available Run "sudo yum update" to apply all updates. -------------------------------------------------------------------------------- Welcome to Amazon Elastic MapReduce running Hadoop and Amazon Linux. Hadoop is installed in /home/hadoop. Log files are in /mnt/var/log/hadoop. Check /mnt/var/log/hadoop/steps for diagnosing step failures. The Hadoop UI can be accessed via the following commands: ResourceManager lynx http://ip-172-21-11-216:9026/ NameNode lynx http://ip-172-21-11-216:9101/ -------------------------------------------------------------------------------- [hadoop@ip-172-31-16-216 ~]$
  • 有关 API 的详细信息,请参阅《Amazon CLI 命令参考》中的 SSH