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DataArts Studio
DataArts Studio
- What's New
- Function Overview
- Service Overview
- Data Governance Methodology
- Preparations
- Getting Started
-
User Guide
- DataArts Studio Introduction
- Preparations Before Using DataArts Studio
- Management Center
-
DataArts Migration
- Overview
- Constraints
- Supported Data Sources
- Managing Clusters
-
Managing Links
- Creating Links
- Managing Drivers
- Managing Agents
- Managing Cluster Configurations
- Link to a Common Relational Database
- Link to a Database Shard
- Link to MyCAT
- Link to a Dameng Database
- Link to an RDS for MySQL/MySQL Database
- Link to an Oracle Database
- Link to DLI
- Link to Hive
- Link to HBase
- Link to HDFS
- Link to OBS
- Link to an FTP or SFTP Server
- Link to Redis/DCS
- Link to DDS
- Link to CloudTable
- Link to CloudTable OpenTSDB
- Link to MongoDB
- Link to Cassandra
- Link to Kafka
- Link to DMS Kafka
- Link to Elasticsearch/CSS
- Managing Jobs
- Auditing
- Performance Reference
-
Tutorials
- Creating an MRS Hive Link
- Creating a MySQL Link
- Migrating Data from MySQL to MRS Hive
- Migrating Data from MySQL to OBS
- Migrating Data from MySQL to DWS
- Migrating an Entire MySQL Database to RDS
- Migrating Data from Oracle to CSS
- Migrating Data from Oracle to DWS
- Migrating Data from OBS to CSS
- Migrating Data from OBS to DLI
- Migrating Data from MRS HDFS to OBS
- Migrating the Entire Elasticsearch Database to CSS
- Migrating Data from DDS to DWS
- More Cases and Practices
-
Advanced Operations
- Incremental Migration
- Using Macro Variables of Date and Time
- Migration in Transaction Mode
- Encryption and Decryption During File Migration
- MD5 Verification
- Field Conversion
- Migrating Files with Specified Names
- Regular Expressions for Separating Semi-structured Text
- Recording the Time When Data Is Written to the Database
- File Formats
- DataArts Architecture
-
DataArts Factory
- Overview
- Data Management
- Script Development
- Job Development
- Solution
- Execution History
- O&M and Scheduling
- Configuration and Management
-
Node Reference
- Node Overview
- Node Lineages
- CDM Job
- Rest Client
- Import GES
- MRS Kafka
- Kafka Client
- ROMA FDI Job
- DLI Flink Job
- DLI SQL
- DLI Spark
- DWS SQL
- MRS Spark SQL
- MRS Hive SQL
- MRS Presto SQL
- MRS Spark
- MRS Spark Python
- MRS Flink Job
- MRS MapReduce
- CSS
- Shell
- RDS SQL
- ETL Job
- Python
- Create OBS
- Delete OBS
- OBS Manager
- Open/Close Resource
- Data Quality Monitor
- Subjob
- For Each
- SMN
- Dummy
- EL Expression Reference
- Usage Guidance
- DataArts Quality
- DataArts Catalog
- DataArts DataService
- Error Codes
-
Best Practices
-
Advanced Data Migration Guidance
- Incremental Migration
- Using Macro Variables of Date and Time
- Migration in Transaction Mode
- Encryption and Decryption During File Migration
- MD5 Verification
- Field Conversion
- Migrating Files with Specified Names
- Regular Expressions for Separating Semi-structured Text
- Recording the Time When Data Is Written to the Database
- File Formats
- Advanced Data Development Guidance
- Cross-Workspace DataArts Studio Data Migration
- Preventing an IAM User from Logging In to DataArts Studio by Setting Specific Conditions
- Scheduling a CDM Job by Transferring Parameters Using DataArts Factory
- Incremental Migration on CDM Supported by DLF
- Creating Table Migration Jobs in Batches Using CDM Nodes
- Practice: Data Development Based on E-commerce BI Reports
- Practice: Data Integration and Development Based on Movie Scores
- Practice: Data Governance Based on Taxi Trip Data
- Case: Trade Data Statistics and Analysis
-
Advanced Data Migration Guidance
- SDK Reference
-
API Reference
- Before You Start
- API Overview
- Calling APIs
- Application Cases
- DataArts Migration APIs
-
DataArts Factory APIs
- Connection Management APIs
- Script Development APIs
- Resource Management APIs
- Job Development APIs
-
APIs to Be Taken Offline
- Creating a Job
- Editing a Job
- Viewing a Job List
- Viewing Job Details
- Exporting a Job
- Batch Exporting Jobs
- Importing a Job
- Executing a Job Immediately
- Starting a Job
- Viewing Running Status of a Real-Time Job
- Viewing a Job Instance List
- Viewing Job Instance Details
- Querying a System Task
- Creating a Script
- Modifying a Script
- Querying a Script
- Querying a Script List
- Querying the Execution Result of a Script Instance
- Creating a Resource
- Modifying a Resource
- Querying a Resource
- Querying a Resource List
- Importing a Connection
-
DataArts Architecture APIs
- Overview
- Data Standard APIs
- Lookup Table Management APIs
- Catalog APIs
- Data Standard Template APIs
- Approval Management APIs
- Subject Management APIs
- Subject Level APIs
- Atomic Metric APIs
- Derivative Metric APIs
- Compound Metric APIs
- Dimension APIs
- Filter APIs
- Dimension Table APIs
- Fact Table APIs
- Summary Table APIs
- Business Metric APIs
- ER Modeling APIs
- Import/Export APIs
- Catalog Management APIs
- Version Information APIs
- DataArts Quality APIs
- DataArts Catalog APIs
-
Data Lake Mall APIs
-
API Management
- Creating an API
- Debugging an API
- Querying the API List
- Updating an API
- Querying API Information
- Deleting APIs
- Publishing an API
- Unpublishing, Suspending, and Restoring an API
- Authorizing an API to Apps
- Performing API Authorization Operations
- Querying API Publishing Messages in DLM Exclusive
- Querying API Debugging Messages in DLM Exclusive
- Querying Instances for API Operations in DLM Exclusive
- Authorization Management
- Application Management
- Message Management
-
Service Catalog Management
- Creating a Service Catalog
- Updating a Service Catalog
- Querying a Service Catalog
- Deleting Service Catalogs
- Moving a Catalog to Another Catalog
- Moving APIs to Another Catalog
- Obtaining the List of APIs and Catalogs in a Catalog
- Obtaining the List of APIs in a Catalog
- Obtaining the List of Sub-Catalogs in a Catalog
- Obtaining the ID of a Catalog Through Its Path
- Obtaining the Path of a Catalog Through Its ID
- Obtaining the Paths to a Catalog Through Its ID
- Gateway Management
- App Management
-
Overview APIs
- Querying API Overview
- Querying App Overview
- Querying Top N Services Called by an API
- Querying Top N Services Used by an App
- Querying API Statistics Details
- Querying App Statistics Details
- Querying API Dashboard Data Details
- Querying Data Details of a Specified API Dashboard
- Querying App Dashboard Data Details
- Querying Top N Apps Called by a Specified API
-
API Management
- Appendix
-
FAQs
-
Consultation and Billing
- Regions and AZs
- Can DataArts Studio Be Deployed in a Local Data Center or on a Private Cloud?
- What Should I Do If a User Cannot View Existing Workspaces After I Have Assigned the Required Policy to the User?
- Can I Delete DataArts Studio Workspaces?
- Can I Transfer a Purchased or Trial Instance to Another Account?
- Does DataArts Studio Support Version Upgrade?
- Does DataArts Studio Support Version Downgrade?
- How Do I View the DataArts Studio Instance Version?
-
Management Center
- What Are the Precautions for Creating Data Connections?
- Why Do DWS/Hive/HBase Data Connections Fail to Obtain the Information About Database or Tables?
- Why Are MRS Hive/HBase Clusters Not Displayed on the Page for Creating Data Connections?
- What Should I Do If the Connection Test Fails When I Enable the SSL Connection During the Creation of a DWS Data Connection?
- Can I Create Multiple Data Connections in a Workspace in Proxy Mode?
- Should I Choose a Direct or a Proxy Connection When Creating a DWS Connection?
- How Do I Migrate the Data Development Jobs and Data Connections from One Workspace to Another?
- Can I Delete Workspaces?
-
DataArts Migration
- General
-
Functions
- Does CDM Support Incremental Data Migration?
- Does CDM Support Field Conversion?
- What Component Versions Are Recommended for Migrating Hadoop Data Sources?
- What Data Formats Are Supported When the Data Source Is Hive?
- Can I Synchronize Jobs to Other Clusters?
- Can I Create Jobs in Batches?
- Can I Schedule Jobs in Batches?
- How Do I Back Up CDM Jobs?
- How Do I Configure the Connection If Only Some Nodes in the HANA Cluster Can Communicate with the CDM Cluster?
- How Do I Use Java to Invoke CDM RESTful APIs to Create Data Migration Jobs?
- How Do I Connect the On-Premises Intranet or Third-Party Private Network to CDM?
- How Do I Set the Number of Concurrent Extractors for a CDM Migration Job?
- Does CDM Support Real-Time Migration of Dynamic Data?
- How Do I Obtain the Current Time Using an Expression?
-
Troubleshooting
- What Can I Do If Error Message "Unable to execute the SQL statement" Is Displayed When I Import Data from OBS to SQL Server?
- What Should I Do If the MongoDB Connection Migration Fails?
- What Should I Do If a Hive Migration Job Is Suspended for a Long Period of Time?
- What Should I Do If an Error Is Reported Because the Field Type Mapping Does Not Match During Data Migration Using CDM?
- What Should I Do If a JDBC Connection Timeout Error Is Reported During MySQL Migration?
- What Should I Do If a CDM Migration Job Fails After a Link from Hive to DWS Is Created?
- How Do I Use CDM to Export MySQL Data to an SQL File and Upload the File to an OBS Bucket?
- What Should I Do If CDM Fails to Migrate Data from OBS to DLI?
- What Should I Do If a CDM Connector Reports the Error "Configuration Item [linkConfig.iamAuth] Does Not Exist"?
- What Should I Do If Error Message "Configuration Item [linkConfig.createBackendLinks] Does Not Exist" Is Displayed During Data Link Creation or Error Message "Configuration Item [throttlingConfig.concurrentSubJobs] Does Not Exist" Is Displayed During Job Creation?
- What Should I Do If Message "CORE_0031:Connect time out. (Cdm.0523)" Is Displayed During the Creation of an MRS Hive Link?
- What Should I Do If Message "CDM Does Not Support Auto Creation of an Empty Table with No Column" Is Displayed When I Enable Auto Table Creation?
- What Should I Do If I Cannot Obtain the Schema Name When Creating an Oracle Relational Database Migration Job?
- What Should I Do If invalid input syntax for integer: "true" Is Displayed During MySQL Database Migration?
-
DataArts Architecture
- What Is the Relationship Between Lookup Tables and Data Standards?
- What Is the Difference Between ER Modeling and Dimensional Modeling?
- What Data Modeling Methods Are Supported by DataArts Architecture?
- How Can I Use Standardized Data?
- Does DataArts Architecture Support Database Reverse?
- What Are the Differences Between the Metrics in DataArts Architecture and DataArts Quality?
- Why Does a Table Remain Unchanged When I Have Updated It in DataArts Architecture?
- Can I Configure Lifecycle Management for Tables?
-
DataArts Factory
- How Many Jobs Can Be Created in DataArts Factory? Is There a Limit on the Number of Nodes in a Job?
- Why Is There a Large Difference Between Job Execution Time and Start Time of a Job?
- Will Subsequent Jobs Be Affected If a Job Fails to Be Executed During Scheduling of Dependent Jobs? What Should I Do?
- What Should I Pay Attention to When Using DataArts Studio to Schedule Big Data Services?
- What Are the Differences and Connections Among Environment Variables, Job Parameters, and Script Parameters?
- What Do I Do If Node Error Logs Cannot Be Viewed When a Job Fails?
- What Should I Do If the Agency List Fails to Be Obtained During Agency Configuration?
- How Do I Locate Job Scheduling Nodes with a Large Number?
- Why Cannot Specified Peripheral Resources Be Selected When a Data Connection Is Created in Data Development?
- Why Is There No Job Running Scheduling Log on the Monitor Instance Page After Periodic Scheduling Is Configured for a Job?
- Why Does the GUI Display Only the Failure Result but Not the Specific Error Cause After Hive SQL and Spark SQL Scripts Fail to Be Executed?
- What Do I Do If the Token Is Invalid During the Running of a Data Development Node?
- How Do I View Run Logs After a Job Is Tested?
- Why Does a Job Scheduled by Month Start Running Before the Job Scheduled by Day Is Complete?
- What Should I Do If Invalid Authentication Is Reported When I Run a DLI Script?
- Why Cannot I Select the Desired CDM Cluster in Proxy Mode When Creating a Data Connection?
- Why Is There No Job Running Scheduling Record After Daily Scheduling Is Configured for the Job?
- What Do I Do If No Content Is Displayed in Job Logs?
- Why Do I Fail to Establish a Dependency Between Two Jobs?
- What Should I Do If an Error Is Displayed During DataArts Studio Scheduling: The Job Does Not Have a Submitted Version?
- What Do I Do If an Error Is Displayed During DataArts Studio Scheduling: The Script Associated with Node XXX in the Job Is Not Submitted?
- What Should I Do If a Job Fails to Be Executed After Being Submitted for Scheduling and an Error Displayed: Depend Job [XXX] Is Not Running Or Pause?
- How Do I Create a Database And Data Table? Is the database a data connection?
- Why Is No Result Displayed After an HIVE Task Is Executed?
- Why Does the Last Instance Status On the Monitor Instance page Only Display Succeeded or Failed?
- How Do I Create a Notification for All Jobs?
- What Is the Maximum Number of Nodes That Can Be Executed Simultaneously?
- What Is the Priority of the Startup User, Execution User, Workspace Agency, and Job Agency?
-
DataArts Quality
- What Are the Differences Between Quality Jobs and Comparison Jobs?
- How Can I Confirm that a Quality Job or Comparison Job Is Blocked?
- How Do I Manually Restart a Blocked Quality Job or Comparison Job?
- How Do I View Jobs Associated with a Quality Rule Template?
- What Should I Do If the System Displays a Message Indicating that I Do Not Have the MRS Permission to Perform a Quality Job?
- DataArts Catalog
-
DataArts DataService
- What Languages Do Data Lake Mall SDKs Support?
- What Can I Do If the System Displays a Message Indicating that the Proxy Fails to Be Invoked During API Creation?
- What Should I Do If the Background Reports an Error When I Access the Test App Through the Data Service API and Set Related Parameters?
- What Can I Do If an Error Is Reported When I Use an API?
- Can Operators Be Transferred When API Parameters Are Transferred?
- What Should I Do If the API Quota Provided by DataArts DataService Exclusive Has Been Used up?
-
Consultation and Billing
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Dummy
Updated on 2022-09-23 GMT+08:00
Functions
The Dummy node is empty and does not perform any operations. It is used to simplify the complex connection relationships of nodes. Figure 1 shows an example.
Parameters
Table 1 describes the parameter of Dummy nodes.
Parent topic: Node Reference
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