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          • Java Example Code - Data Lake Insight

            Java Example Code - Data Lake Insight

            Submitting a Spark job Upload the Java code file to the OBS bucket. In the Spark job editor, select the corresponding dependency module and execute the Spark job.

            Help > Data Lake Insight > Developer Guide > Spark Jar Jobs > Using Spark Jobs to Access Data Sources of Datasource Connections > Connecting to Mongo
          • Canal - Data Lake Insight

            Canal - Data Lake Insight

            Click the name of the corresponding Flink job, choose Run Log, click OBS Bucket, and locate the folder of the log you want to view according to the date. Go to the folder of the date, find the folder whose name contains taskmanager, download the .out file, and view result logs.

            Help > Data Lake Insight > Flink SQL Syntax Reference > Flink OpenSource SQL 1.15 Syntax Reference > Formats
          • Configuring Database Permissions on the DLI Console - Data Lake Insight

            Configuring Database Permissions on the DLI Console - Data Lake Insight

            Configure Path for Partition: This permission allows you to set the path of a partition in a partition table to a specified OBS path. Rename Table Partition: This permission allows you to rename partitions in a partition table.

            Help > Data Lake Insight > User Guide > Creating a Data Directory, Database, and Table > Managing Database Resources on the DLI Console
          • Kafka - Data Lake Insight

            Kafka - Data Lake Insight

            Select Save Job Log, and specify the OBS bucket for saving job logs. Change the values of the parameters in bold as needed in the following script.

            Help > Data Lake Insight > Flink SQL Syntax Reference > Flink OpenSource SQL 1.15 Syntax Reference > Connectors
          • Data Lake Insight Function Overview - Data Lake Insight

            Data Lake Insight Function Overview - Data Lake Insight

            Available in all regions Using DLI to Submit a SQL Job to Query OBS Data Exporting SQL Job Results dli DLI Spark Job The DLI team has extensively optimized and transformed the open-source Spark to provide batch processing capabilities, while remaining compatible with the Apache Spark

            Help > Data Lake Insight > Function Overview
          • Submitting a Spark Job Using an SDK - Data Lake Insight

            Submitting a Spark Job Using an SDK - Data Lake Insight

            file="obs://your_bucket/your_spark_app.jar", # (Mandatory) Location of the JAR file on OBS. class_name="your_class_fullname", # (Mandatory) Class path of the main class ( --class), for example, org.example.DliCatalogTest.

            Help > Data Lake Insight > SDK Reference > DLI SDK V2 > Python SDK (DLI SDK V2)
          • PySpark Example Code - Data Lake Insight

            PySpark Example Code - Data Lake Insight

            Submitting a Spark job Upload the Python code file to the OBS bucket. In the Spark job editor, select the corresponding dependency module and execute the Spark job. After the Spark job is created, click Execute in the upper right corner of the console to submit the job.

            Help > Data Lake Insight > Developer Guide > Spark Jar Jobs > Using Spark Jobs to Access Data Sources of Datasource Connections > Connecting to RDS
          • PySpark Example Code - Data Lake Insight

            PySpark Example Code - Data Lake Insight

            Submitting a Spark Job Upload the Python code file to the OBS bucket. In the Spark job editor, select the corresponding dependency module and execute the Spark job. For Spark 2.3.2 (soon to be take offline) or 2.4.5, set Module to sys.datasource.dws when submitting a job.

            Help > Data Lake Insight > Developer Guide > Spark Jar Jobs > Using Spark Jobs to Access Data Sources of Datasource Connections > Connecting to GaussDB(DWS)
          • PySpark Example Code - Data Lake Insight

            PySpark Example Code - Data Lake Insight

            person')".stripMargin) Insert data. 1 sparkSession.sql("INSERT INTO TABLE person VALUES ('John', 30),('Peter', 45)".stripMargin) Query data. 1 sparkSession.sql("SELECT * FROM person".stripMargin).collect().foreach(println) Submitting a Spark job Upload the Python code file to the OBS

            Help > Data Lake Insight > Developer Guide > Spark Jar Jobs > Using Spark Jobs to Access Data Sources of Datasource Connections > Connecting to Redis
          • PySpark Example Code - Data Lake Insight

            PySpark Example Code - Data Lake Insight

            Insert data. 1 sparkSession.sql("insert into test_dds values('3', 'Ann',23)") Query data. 1 sparkSession.sql("select * from test_dds").show() Submitting a Spark job Upload the Python code file to the OBS bucket.

            Help > Data Lake Insight > Developer Guide > Spark Jar Jobs > Using Spark Jobs to Access Data Sources of Datasource Connections > Connecting to Mongo
          • Creating a DLI Table Using the DataSource Syntax - Data Lake Insight

            Creating a DLI Table Using the DataSource Syntax - Data Lake Insight

            If this parameter is not required, set it to false or leave it blank (the default value is false). compression: If the created OBS table needs to be compressed, you can use the keyword compression to configure the compression format.

            Help > Data Lake Insight > Spark SQL Syntax Reference > Tables > Creating a DLI Table
          • Scala Example Code - Data Lake Insight

            Scala Example Code - Data Lake Insight

            ctopentsdb" map("tags") = "city,location" map("Host") = "opentsdb-3xcl8dir15m58z3.cloudtable.com:4242" sparkSession.read.format("opentsdb").options(map.toMap).load().show() Response Submitting a Spark job Generate a JAR file based on the code file and upload the JAR file to the OBS

            Help > Data Lake Insight > Developer Guide > Spark Jar Jobs > Using Spark Jobs to Access Data Sources of Datasource Connections > Connecting to OpenTSDB
          • Using Temporal Join to Associate the Latest Partition of a Dimension Table - Data Lake Insight

            Using Temporal Join to Associate the Latest Partition of a Dimension Table - Data Lake Insight

            Create a Hive OBS external table using Spark SQL and insert data.

            Help > Data Lake Insight > Flink SQL Syntax Reference > Flink OpenSource SQL 1.15 Syntax Reference > Connectors > Hive
          • Scala Example Code - Data Lake Insight

            Scala Example Code - Data Lake Insight

            url", url) .option("uri", uri) .option("database", database) .option("collection", collection) .option("user", user) .option("password", password) .load() Operation result Submitting a Spark job Generate a JAR file based on the code file and upload the JAR file to the OBS

            Help > Data Lake Insight > Developer Guide > Spark Jar Jobs > Using Spark Jobs to Access Data Sources of Datasource Connections > Connecting to Mongo
          • Debezium - Data Lake Insight

            Debezium - Data Lake Insight

            Click the name of the corresponding Flink job, choose Run Log, click OBS Bucket, and locate the folder of the log you want to view according to the date. Go to the folder of the date, find the folder whose name contains taskmanager, download the .out file, and view result logs.

            Help > Data Lake Insight > Flink SQL Syntax Reference > Flink OpenSource SQL 1.15 Syntax Reference > Formats
          • Redis Result Table - Data Lake Insight

            Redis Result Table - Data Lake Insight

            Select Save Job Log, and specify the OBS bucket for saving job logs. Change the values of the parameters in bold as needed in the following script.

            Help > Data Lake Insight > Flink SQL Syntax Reference > Flink OpenSource SQL 1.12 Syntax Reference > DDL Syntax > Creating Result Tables
          • PySpark Example Code - Data Lake Insight

            PySpark Example Code - Data Lake Insight

            Submitting a Spark job Upload the Python code file to the OBS bucket. (Optional) Add the krb5.conf and user.keytab files to other dependency files of the job when creating a Spark job in an MRS cluster with Kerberos authentication enabled.

            Help > Data Lake Insight > Developer Guide > Spark Jar Jobs > Using Spark Jobs to Access Data Sources of Datasource Connections > Connecting to HBase
          • Dimension Table - Data Lake Insight

            Dimension Table - Data Lake Insight

            Select Save Job Log, and specify the OBS bucket for saving job logs. Storing authentication credentials such as usernames and passwords in code or plaintext poses significant security risks. It is recommended using DEW to manage credentials instead.

            Help > Data Lake Insight > Flink SQL Syntax Reference > Flink OpenSource SQL 1.15 Syntax Reference > Connectors > Redis
          • Creating an Enhanced Datasource Connection - Data Lake Insight

            Creating an Enhanced Datasource Connection - Data Lake Insight

            Flink jobs can directly access DIS, OBS, and SMN data sources without using datasource connections. When compute resources in non-elastic resource pools are used, enhanced datasource connections can only be created for yearly/monthly and pay-per-use dedicated queues.

            Help > Data Lake Insight > User Guide > Configuring DLI to Read and Write Data from and to External Data Sources > Configuring the Network Connection Between DLI and Data Sources (Enhanced Datasource Connection)
          • Differences in SQL Queues Between Spark 2.4.x and Spark 3.3.x - Data Lake Insight

            Differences in SQL Queues Between Spark 2.4.x and Spark 3.3.x - Data Lake Insight

            Sample code: Prepare data: create table test_null2(str1 string,str2 string,str3 string,str4 string); insert into test_null2 select "a\rb", null, "1\n2", "ab"; Execute SQL: SELECT * FROM test_null2; Spark 2.4.5 a b 1 2 ab Spark 3.3.1 a b 1 2 ab Export query results to OBS and check

            Help > Data Lake Insight > Product Bulletin > Version Support Bulletin > Differences Between Spark 2.4.x and Spark 3.3.x
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