Mydumper

Jul 20, 2023

MySQL Data Dumper

MyDumper is a MySQL Logical Backup Tool. It has 2 tools

  • mydumper which is responsible to export a consistent backup of MySQL databases
  • myloader reads the backup from mydumper, connects the to destination database and imports the backup. Both tools use multithreading capabilities

Why do we need MyDumper?

  • Parallelism hence, speed and performance avoids expensive character set conversion routines, efficient code overall
  • Easier to manage output separate files for tables, dump metadata, etc, easy to view/parse data
  • Consistency - maintains snapshot across all threads, provides accurate master and slave log positions, etc
  • Manageability - supports PCRE for specifying database and tables inclusions and exclusions


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