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MyRocks and START TRANSACTION WITH CONSISTENT SNAPSHOT

FB/MySQL has added new syntax:

START TRANSACTION WITH CONSISTENT ROCKSDB|INNODB SNAPSHOT;

The statement returns the binlog coordinates pointing at the snapshot.

MariaDB (and Percona Server) support extension to the regular 

START TRANSACTION WITH CONSISTENT SNAPSHOT;

syntax as documented in Enhancements for START TRANSACTION WITH CONSISTENT SNAPSHOT.

After issuing the statement, one can examine the binlog_snapshot_file and binlog_snapshot_position status variables to see the binlog position that corresponds to the snapshot.

See Also

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https://mariadb.com/kb/en/myrocks-and-start-transaction-with-consistent-snapshot/