开源大数据平台 E-MapReduce查询-阿里云

阿里云E-MapReduce查询存储在oss的数据报400偶尔还能正常，查出来一次，怎么解决？

Error running query: java.sql.SQLException: Query failed (#20230524_095509_01476_dwifm): Error opening Hive split oss://test-hadoop-emr/sr/app_anipop_...

E-MapReduce的Impala 3.4使用JDBC查询Impala 10秒提示会话超时如何解决

E-MapReduce 如何查询作业实例的运行节点?

ListJobInstanceWorkers 查询作业实例的运行节点请求参数字段类型是否必须默认值描述RegionIdString是无JobInstanceIdString是无作业实例的Id 返回参数字段类型描述JobInstanceWorkersArrayJobInstanceWorker&...

E-MapReduce 如何查询作业实例列表?

ListJobExecutionInstances 查询作业实例列表请求参数字段类型是否必须默认值描述RegionIdString是无ExecutionPlanInstanceIdString是无执行计划实例IdpageNumberInteger否1请求页码pageSizeInteger否10请...

E-MapReduce 如何查询执行计划列表?

ListExecutionPlans 查询执行计划列表请求参数字段类型是否必须默认值描述RegionIdString是无PageNumberInteger否1请求的页码PageSizeInteger否10每页数量返回参数字段类型描述ExecutionPlansArrayExecutionPl...

E-MapReduce 查询集群详情?

DescribeCluster 查询集群详情请求参数字段类型是否必须默认值描述IdString是无集群IdRegionIdString是无所在地域返回参数字段类型说明ClusterInfoClusterInfo集群详情信息对象示例请求示例 https://emr.aliyuncs.com...

E-MapReduce银行员工信息查询示例

段落1创建临时表 %sparkimport org.apache.commons.io.IOUtilsimport java.net.URLimport java.nio.charset.Charset// Zeppelin creates and injects sc (SparkContext)...

E-MapReduce 如何查询执行计划实例?

ListExecutionPlanInstances 查询执行计划实例请求参数字段类型是否必须默认值描述IdString是无执行计划IdRegionIdString是无ExecutionPlanIdListArray是无查询的执行计划的Id列表，字符串数组，例如：[“WF-5D93B009017...

E-MapReduce 如何查询执行计划详情?

DescribeExecutionPlan 查询执行计划详情请求参数字段类型是否必须默认值描述IdString是无执行计划IdRegionIdString是无所在地域返回参数字段类型描述IdString执行计划IdNameString执行计划名称StrategyString执行计划的运行策略...

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更新时间 2023-05-30 09:06:47

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开源大数据平台 E-MapReduce

开源大数据平台 E-MapReduce（简称“EMR”）是云原生开源大数据平台，向客户提供简单易集成的Hadoop、Hive、Spark、Flink、Presto、ClickHouse、StarRocks、Delta、Hudi等开源大数据计算和存储引擎服务。

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立即开通

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优惠活动

StarRocks 免费试用

产品入门

快速入门指导

常见问题

最佳实践

EMR实时计算实践