MySQL data migration knowledge map 1 Core challenges and technology selection 1.1 Three major challenges of data migration Business continuity requirements: Financial-level business requires 99.99% availability throughout the year Data consistency guarantee: Amount data must have zero error (refer to the "Payment System Data Security Specification" of the central bank) Incremental synchronization complexity: Synchronization delay control in the scenario of 10,000 TPS per second 1.2 Tool comparison matrix Tool name Backup type Lock mechanism Recovery speed Applicable scenarios Official document link mysq…