This topic describes how to use Delta Lake to perform batch reads and writes.Create a table and write data Scala/Create a non-partitioned table and write data to it.data.write.format("delta").save("/tmp/delta_table")/...
help for more information.scala val myfile=sc.textFile("oss:/{your-bucket-name}/50/store_sales")myfile:org.apache.spark.rdd.RDD[String]=oss:/{your-bucket-name}/50/store_sales MapPartitionsRDD[1]at textFile at console:24 ...
4.0.0(Spark 3.5.2,Scala 2.12)Spark 3.5.2 is supported.esr-3.0.1(Spark 3.4.3,Scala 2.12)esr-2.4.1(Spark 3.3.1,Scala 2.12)When you use the fusion acceleration feature,invalid data at the end is ignored during JSON data ...
使用UDF函数 引擎侧 版本号 说明 引擎 esr-5.0.0(Spark 4.0.1,Scala 2.13)引擎 esr-4.6.0(Spark 3.5.2,Scala 2.12)引擎 esr-3.5.0(Spark 3.4.4,Scala 2.12)引擎 esr-2.9.0(Spark 3.3.1,Scala 2.12)Fusion加速 支持shiftrightunsigned。...
IntelliJ IDEA 准备工作 安装IntelliJ IDEA、Maven、IntelliJ IDEA Maven插件、Scala和IntelliJ IDEA Scala插件。开发流程 双击进入SparkWordCount.scala。进入作业配置界面。选择 SparkWordCount，在作业参数框中按照所需传入作业参数。...
the OSS path of the Scala application written in Step 2.Python:the OSS path of the Python application written in Step 2.jars Yes The OSS path of the Maven dependencies prepared in Step 1.ClassName Yes if specific ...
3.4.0(Spark 3.4.4,Scala 2.12)Spark 3.4.4 is available.esr-2.6.0(Spark 3.3.1,Scala 2.12)esr-3.4.0(Spark 3.4.4,Scala 2.12)esr-4.2.0(Spark 3.5.2,Scala 2.12)Fusion acceleration The performance of user-defined functions(UDFs)is...
code snippets,a Java API,or a Scala API.Supports security mechanisms.Supported versions EMR 5.6.0 and earlier versions support the Livy component by default.If you are using EMR 5.8.0 or later,you need to install Livy ...
CreateWorkspace-创建工作空间 CreateSessionCluster-创建会话 引擎侧 版本号 说明 esr-2.5.1（Spark 3.3.1,Scala 2.12）esr-3.1.1（Spark 3.4.3,Scala 2.12）esr-4.1.1（Spark 3.5.2,Scala 2.12）修复了ClassNotFound异常和栈溢出问题。...
This topic provides answers to some frequently asked questions about job running errors.What do I do if a job cannot be started?What do I do if the error message indicating a database connection error appears on the right ...
引擎侧 版本号 说明 esr-4.0.0(Spark 3.5.2,Scala 2.12)esr-3.1.0(Spark 3.4.3,Scala 2.12)esr-2.5.0(Spark 3.3.1,Scala 2.12)引擎版本：正式支持Spark 3.5.2。Fusion 加速 CacheTable优化。支持读CSV和TEXT格式的表。支持读取和写入复杂...
see Activate LindormDFS.Install Java Development Kits(JDKs)on compute nodes.The JDK version must be 1.8 or later.Install Scala on compute nodes.Download Scala from the official website.The Scala version must be compatible ...
说明 读分区表、写非分区表和写分区表代码示例请参见 PartitionDataReaderTest.scala、DataWriterTest.scala 和 PartitionDataWriterTest.scala，可以根据实际业务情况进行代码开发。Licensed under the Apache License,Version 2.0(the...
Scala编码风格检测 Scala 基于ScalaStyle工具进行Scala编码风格检测，帮助开发者优化编码过程中产生的Scala编码风格问题。Kotlin基础规则包 Kotlin 基于Detekt检测工具帮助开发者检测与修复Kotlin开发过程中的编码问题，帮助开发人员提高...
the OSS path of the Scala application written in Step 2.Python:the OSS path of the Python application written in Step 2.jars Yes The OSS path of the Maven dependencies prepared in Step 1.ClassName Yes if specific ...
spark_test 运行环境 目前支持选择如下镜像：adb-spark:v3.3-python3.9-scala2.12 adb-spark:v3.5-python3.9-scala2.12 adb-spark:v3.5-python3.9-scala2.12 AnalyticDB实例 在下拉框中选择 AnalyticDB for MySQL 集群。amv-uf6i4bi88*...
Scala 本文采用Scala 2.13.10，Scala官网下载地址请参见 Scala官网。下载Spark on MaxCompute客户端包 Spark on MaxCompute发布包集成了MaxCompute认证功能。作为客户端工具，它通过Spark-Submit方式提交作业到MaxCompute项目中运行。...
Spark Conf自定义参数列表 引擎侧 版本号 说明 esr-2.7.0(Spark 3.3.1,Scala 2.12)esr-3.3.0(Spark 3.4.4,Scala 2.12)esr-4.3.0(Spark 3.5.2,Scala 2.12)Fusion加速 Sort算子优化。Window算子优化。Spill优化。Shuffle Partition优化。支持...
Dataset API有Scala和Java两种版本。Python和R不支持Dataset API，但是由于Python和R的动态特性，Dataset API的许多优点已经可用。DataFrame是组织成命名列的Dataset。他在概念上相当于关系数据库中的一个表，或R和Python中的一个DataFrame...
This topic describes how to import data from...see Create a ClickHouse cluster.Background information For more information about Flink,visit the Apache Flink official website.Sample code Sample code:Stream processing package ...
properties project.build.sourceEncoding UTF-8/project.build.sourceEncoding project.build.sourceEncoding UTF-8/project.build.sourceEncoding geomesa.version 2.1.0/geomesa.version scala.abi.version 2.11/scala.abi.version gt....
运行环境 目前支持选择如下镜像：adb-spark:v3.3-python3.9-scala2.12 adb-spark:v3.5-python3.9-scala2.12 AnalyticDB实例 在下拉框中选择已准备的 AnalyticDB for MySQL。AnalyticDB MySQL资源组 在下拉框中选择已准备的Job资源组。Spark...
支持以下三种代码方式：Spark Scala%spark 表示执行Spark Scala代码。spark val df=spark.read.options(Map("inferSchema"-"true","delimiter"-;header"-"true")).csv("file:/usr/lib/spark-current/examples/src/main/resources/people...
Livy,and Spark Thrift Server Item Kyuubi Livy Spark Thrift Server Supported interfaces SQL and Scala SQL,Scala,Python,and R SQL Supported engines Spark,Flink,and Trino Spark Spark Spark version Spark 3.x Spark 2.x and ...
引擎侧 版本号 说明 esr-2.2(Spark 3.3.1,Scala 2.12)Fusion加速 支持WindowTopK算子。优化了Shuffle性能。修复了因缩容导致的偶发Task Deserialization长耗时问题。针对尚未支持的Paimon算子自动回退。Driver日志支持打印CU消耗。Java ...
and parameters that are specific to Java,Scala,and Python applications.The parameters are written in the JSON format.{"args":["args0","args1"],"name":"spark-oss-test","file":"oss:/testBucketName/jars/test/spark-examples-0....