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FAQs About Importing and Exporting Data Using DistCP Jobs
Updated on 2023-10-19 GMT+08:00
FAQs About Importing and Exporting Data Using DistCP Jobs
- Question: Does a DistCP job check data consistency during data import and export?
Answer: No. DistCP jobs only copy data but do not modify it.
- Question: When data is exported from a DistCP job, if some files already exist in OBS, how will the job process the files?
Answer: DistCP jobs will overwrite the files in OBS.
Parent topic: Job Development
Job Development FAQs
- How Do I Get My Data into OBS or HDFS?
- What Types of Spark Jobs Can Be Submitted in a Cluster?
- Can I Run Multiple Spark Tasks at the Same Time After the Minimum Tenant Resources of an MRS Cluster Is Changed to 0?
- What Should I Do If Job Parameters Separated By Spaces Cannot Be Identified?
- What Are the Differences Between the Client Mode and Cluster Mode of Spark Jobs?
- How Do I View MRS Job Logs?
- What Can I Do If the System Displays a Message Indicating that the Current User Does Not Exist on Manager When I Submit a Job?
- What Can I Do If LauncherJob Fails to Be Executed and the Error Message "jobPropertiesMap is null" Is Displayed?
- What Should I Do If the Flink Job Status on the MRS Console Is Inconsistent with That on Yarn?
- What Can I Do If a SparkStreaming Job Fails After Running for Dozens of Hours and Error 403 Is Reported for OBS Access?
- What Should I Do If an Alarm Is Reported Indicating that the Memory Is Insufficient When I Execute a SQL Statement on the ClickHouse Client?
- What Should I Do If Error Message "java.io.IOException: Connection reset by peer" Is Displayed During the Execution of a Spark Job?
- What Should I Do If the Error Message "requestId=XXX" Is Displayed When a Spark Job Accesses OBS?
- What Should I Do If the Error Message "UnknownScannerExeception" Is Displayed for Spark Jobs?
- What Can I Do If DataArts Studio Occasionally Fails to Schedule Spark Jobs?
- What Should I Do If a Flink Job Fails to Execute and the Error Message "java.lang.NoSuchFieldError: SECURITY_SSL_ENCRYPT_ENABLED" Is Displayed?
- What Should I Do If Submitted Yarn Jobs Cannot Be Viewed on the Web UI?
- How Do I Modify the HDFS fs.defaultFS of an Existing Cluster?
- What Can I Do If launcher-job Is Terminated by Yarn When a Flink Task Is Submitted?
- What Should I Do If the Error Message "slot request timeout" Is Displayed When I Submit a Flink Job?
- FAQs About Importing and Exporting Data Using DistCP Jobs
- How Do I View SQL Statements of Hive Jobs on the Yarn Web UI?
- How Do I View Logs of a Specified Yarn Task?
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