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Loading Data Into MyRocks

Being a write-optimized storage engine, MyRocks has special ways to load data much faster than normal INSERTs would.

See

Note When one loads data with rocksdb_bulk_load=1 and the data conflicts with the data already in the database, one may get non-trivial errors, for example:

ERROR 1105 (HY000): [./.rocksdb/test.t1_PRIMARY_2_0.bulk_load.tmp] bulk load error: 
  Invalid argument: External file requires flush
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https://mariadb.com/kb/en/loading-data-into-myrocks/