Common Issues About MapReduce

After an Active/Standby Switchover of ResourceManager Occurs, a Task Is Interrupted and Runs for a Long Time
How Do I Handle the Problem that MapReduce Task Has No Progress for a Long Time?
Why Is the Client Unavailable When a Task Is Running?
What Should I Do If HDFS_DELEGATION_TOKEN Cannot Be Found in the Cache?
How Do I Set the Task Priority When Submitting a MapReduce Task?
Why Physical Memory Overflow Occurs If a MapReduce Task Fails?
What Should I Do If MapReduce Job Information Cannot Be Opened Through Tracking URL on the ResourceManager Web UI?
Why MapReduce Tasks Fails in the Environment with Multiple NameServices?
What Should I Do If the Partition-based Task Blacklist Is Abnormal?

Parent topic: Using MapReduce

Thank you very much for your feedback. We will continue working to improve the documentation.See the reply and handling status in My Cloud VOC.

The system is busy. Please try again later.

Which of the following issues have you encountered?

Content is inconsistent with the product UI

Unclear descriptions

Lack of examples or code

Incorrect steps

Can't find what I need

Lack of best practices

Feedback (optional)

0/500

Select at least one type of issue, and enter your comments or suggestions.

Enter a maximum of 500 characters.

Submit Cancel

For any further questions, feel free to contact us through the chatbot.