Help Center/ Data Replication Service/ User Guide (Ankara Region)/ Troubleshooting/ Solutions to Failed Check Items/ Database Parameters/ Whether the max_allowed_packet Value of the Source Database Is Too Small

Updated on 2024-04-11 GMT+08:00

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Whether the max_allowed_packet Value of the Source Database Is Too Small

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: Whether There Are Tables Containing Fields of the bytea or text Type in the Synchronization Object

Next topic: block_encryption_mode Consistency Check

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