Help Center/ MapReduce Service/ Component Operation Guide (LTS) (Paris Region)/ Using Spark2x/ Basic Operation/ Scenario-Specific Configuration/ Configuring the Number of Lost Executors Displayed in WebUI

Updated on 2022-12-14 GMT+08:00

View PDF

Configuring the Number of Lost Executors Displayed in WebUI

Scenario

In Spark WebUI, the Executor page can display information about Lost Executor. Executors are dynamically recycled. If the JDBCServer tasks are large, there may be too many lost executors displayed in WebUI. Therefore, the number of displayed lost executors can be configured.

Procedure

Configure the following parameter in the spark-defaults.conf file on Spark client.

**Table 1** Parameter description
Parameter	Description	Default Value
spark.ui.retainedDeadExecutors	The maximum number of Lost Executors displayed in Spark WebUI.	100

Parent topic: Scenario-Specific Configuration

Previous topic: Configuring the Compression Format of a Parquet Table

Next topic: Setting the Log Level Dynamically

Feedback

Was this page helpful?

Helpful Not helpful

Provide feedback

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.