This article demonstrates how to create a test database, export data with mysqldump, and then replay a large SQL dump into a busy MySQL instance while throttling the import speed with the pv tool to keep CPU usage low and avoid disrupting ongoing business operations.
This article details MaFengWo’s practical experience using Kafka across three core scenarios—real‑time storage, analytical data source, and business data subscription—while describing a four‑stage evolution that includes version upgrades, resource isolation, security and monitoring enhancements, and a comprehensive subscription platform, followed by future improvement plans.
This article explains how T‑TDSQL leverages full‑temporal storage and snapshot‑difference techniques to perform incremental data extraction, precise account reconciliation, online flashback, and data replay, illustrating the underlying SQL commands, error‑handling tables, and practical benefits for internet finance workloads.
