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Operates and maintains the infrastructure layer, including compute, networking, storage, OBS bucket, and security services. Assigns a project owner to coordinate between the two parties and to manage, review, and accept services provided by Huawei Cloud.
What Should I Do If the Error Message "UnknownScannerExeception" Is Displayed for Spark Jobs? Symptom Spark jobs run slowly. Warning information is printed in run logs, and the error cause is UnknownScannerExeception. Solution Before running a Spark job, adjust the value of hbase.client.scanner.timeout.period
How Do I Configure Spark Jobs to Automatically Obtain More Resources During Execution? Question: How Do I Configure Spark Jobs to Automatically Obtain More Resources During Execution? Answer: Resources are a key factor that affects Spark execution efficiency. When multiple executors
Binding Different Resource Pools to Two Types of Jobs to Balance Load for GaussDB(DWS) This practice demonstrates how to use GaussDB(DWS) for resource management, helping enterprises eliminate bottlenecks in concurrent query performance. SQL jobs can run smoothly without affecting
What Should I Do If Jobs Fail to Be Submitted to YARN After JobGateway Starts for the First Time Question When JobGateway starts for the first time, jobs fail to be submitted to YARN, and no launcher-job ID is generated. On the YARN page, no launcher-job queue is displayed. Check
How Many Jobs Can Be Created in DataArts Factory? Is There a Limit on the Number of Nodes in a Job? Symptom Whether the number of jobs and the number of nodes in a job are limited during data development Solution By default, each user can create a maximum of 10,000 jobs, and each
Why Can't I Submit Jobs on the Console After My IAM Account Is Assigned with MRS Permissions? Question: Why can't I submit jobs on the MRS console after my IAM account is assigned with the MRS ReadOnlyAccess and MRS FullAccess permissions? Answer: The account has the MRS ReadOnlyAccess
How Do I Use Java to Invoke CDM RESTful APIs to Create Data Migration Jobs? CDM provides RESTful APIs to implement automatic job creation or execution control by program invocation. The following describes how to use CDM to migrate data from table city1 in the MySQL database to table
Will Resources Created During FunctionGraph 2.0 OBT Be Automatically Released When They Expire? Will Them Be Billed? FunctionGraph 2.0 automatically releases resources when they expire and you will not be billed for them. Parent topic: Other FAQs
How Do I Migrate Incremental Source Data and How Does OMS Ensure Data Consistency? This problem can be described in the following two cases: Migrating new source data For details, see Migrating Incremental Data. Synchronizing changed source data Perform a full migration again. OMS
[Notice] OBT for Memory Acceleration of RDS for MySQL Starts from May 28, 2024 Huawei Cloud will start the open beta test (OBT) for memory acceleration of RDS for MySQL on May 28, 2024. OBT Time and Regions Starting from May 28, 2024 How to Participate On the Overview page of the
Why Do Reduce Tasks Fail to Run in Some OSs After the Native Task Feature is Enabled? Question After the Native Task feature is enabled, Reduce tasks fail to run in some OSs. Answer When -Dmapreduce.job.map.output.collector.class=org.apache.hadoop.mapred.nativetask.NativeMapOutputCollectorDelegator
What Should I Do If "THE TOTAL NUMBER OF DBs EXCEEDS THE LIMIT 16" Is Displayed? The number of databases that can be created varies depending on the specifications. If the number exceeds the threshold, this error message is displayed. You are advised to specify an appropriate value
Why Do Reduce Tasks Fail to Run in Some OSs After the Native Task Feature is Enabled? Question When -Dmapreduce.job.map.output.collector.class=org.apache.hadoop.mapred.nativetask.NativeMapOutputCollectorDelegator is executed to enable the Native Task feature during the running of
How Do I Use Java to Invoke CDM RESTful APIs to Create Data Migration Jobs? CDM provides RESTful APIs to implement automatic job creation or execution control by program invocation. The following describes how to use CDM to migrate data from table city1 in the MySQL database to table
How Do I Migrate the Data Development Jobs and Data Connections from One Workspace to Another? You can export data connections and jobs from one workspace and import them to another workspace. Export and import data connections in Management Center. For details, see Migrating Resources
Do I Need to Apply for OBT Again on Huawei Cloud International Website After Doing This on Huawei Cloud Chinese Mainland Website? Yes. The websites are independent. Apply for OBT on each website as needed. Parent topic: Other Aspects
