Help Center/ Data Replication Service/ Troubleshooting/ Solutions to Failed Check Items/ Database Parameters/ Whether the max_allowed_packet Value of the Source Database Is Too Small

Updated on 2023-06-13 GMT+08:00

View PDF

Whether the max_allowed_packet Value of the Source Database Is Too Small

MySQL and GaussDB(for MySQL) Serving as the Source

**Table 1** Checking whether the max_allowed_packet value of the source database is too small
Check Item	Whether the max_allowed_packet value of the source database is too small
Description	If the max_allowed_packet value of the source database is too small, data migration may fail.
Item to Be Confirmed and Handling Suggestion	Potential problem: If there is a lot of data to be migrated or there are too many fields to be migrated, and the max_allowed_packet value of the source database is too small, then the migration task may fail. Handling suggestion: Change the max_allowed_packet value of the source database to a value greater than 16777216.

Parent topic: Database Parameters

Previous topic: Checking Whether the Source Table Structure Contains Virtual Columns

Next topic: Whether the Supplemental Log Level in the Source Database Is Correct

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.