The following articles help troubleshoot some common issues encountered in Pipelines with MySQL as the Source.

• Communications Link Failure from SELECT QueriesTroubleshoot the communications link failure error thrown by SELECT queries.
• Insufficient max_allowed_packet SizeTroubleshoot the error thrown when the max_allowed_packet size is insufficient.
• Out of Sort MemoryTroubleshoot the error thrown when your MySQL database runs out of sort memory.
• Pipeline failure due to BinLog expiryTroubleshoot a Pipeline failure caused by BinLog expiry.