pt-online-schema-change-transaction-plugin

https://www.percona.com/doc/percona-toolkit/2.2/pt-online-schema-change.html https://github.com/percona/percona-toolkit/blob/2.2/bin/pt-online-schema-change

• use transaction in [before_swap_tables - after_update_foreign_keys]

Usage

pt-online-schema-change ... \
  --alter-foreign-keys-method=rebuild_constraints \
  --plugin pt-osc-transaction-plugin.pl \
  ...