Performance test details:

Build options:

  cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DWITH_SSL=system -DPLUGIN_OQGRAPH=NO -DPLUGIN_SPHINX=NO -DPLUGIN_SPIDER=NO -DPLUGIN_CONNECT=NO -DPLUGIN_INNOBASE=YES -DPLUGIN_XTRADB=NO -DPLUGIN_TOKUDB=YES -DPLUGIN_MROONGA=NO -DWITH_EMBEDDED_SERVER=OFF -DWITH_WSREP=OFF -DPLUGIN_PERFSCHEMA=NO

Master options, worst case:

  --innodb-buffer-pool-size=500M
  --innodb-log-file-size=1000M
  --log-bin=mysql-bin
  --server-id=1
  --sync-binlog=1
  --innodb-flush-log-at-trx-commit=1
  --binlog-format=row
  --plugin-load=ha_tokudb.so;ha_rocksdb.so
  --transaction-isolation=READ-COMMITTED

Slave options, worst case:

  --innodb-buffer-pool-size=500M
  --innodb-log-file-size=1000M
  --log-bin=mysql-bin
  --server-id=2
  --sync-binlog=1
  --innodb-flush-log-at-trx-commit=1
  --binlog-format=row
  --log-slave-updates
  --plugin-load=ha_tokudb.so;ha_rocksdb.so
  --transaction-isolation=READ-COMMITTED
  --skip-slave-start

Master options, best case:

  --innodb-buffer-pool-size=500M
  --innodb-log-file-size=1000M
  --log-bin=mysql-bin
  --server-id=1
  --sync-binlog=0
  --innodb-flush-log-at-trx-commit=0
  --rocksdb-flush-log-at-trx-commit=0
  --binlog-format=row
  --plugin-load=ha_tokudb.so;ha_rocksdb.so
  --transaction-isolation=READ-COMMITTED

Slave options, best case:

  --innodb-buffer-pool-size=500M
  --innodb-log-file-size=1000M
  --log-bin=mysql-bin
  --server-id=2
  --sync-binlog=0
  --innodb-flush-log-at-trx-commit=2
  --rocksdb-flush-log-at-trx-commit=2
  --binlog-format=row
  --log-slave-updates
  --plugin-load=ha_tokudb.so;ha_rocksdb.so
  --transaction-isolation=READ-COMMITTED
  --skip-slave-start

Sysbench command line, worst case:

  sysbench --test=oltp_write_only --oltp-table-size=100000 --max-time=0 --max-requests=5000 --mysql-table-engine=RocksDB  --mysql-socket=bld/data1/mysql.sock --mysql-user=root --mysql-password= --num-threads=4 prepare
  sysbench --test=oltp_write_only --oltp-table-size=100000 --max-time=0 --max-requests=5000 --mysql-table-engine=RocksDB  --mysql-socket=bld/data1/mysql.sock --mysql-user=root --mysql-password= --num-threads=4 run

Sysbench command line, best case:

  sysbench --test=oltp_write_only --oltp-table-size=100000 --max-time=0 --max-requests=400000 --mysql-table-engine=RocksDB  --mysql-socket=bld/data1/mysql.sock --mysql-user=root --mysql-password= --num-threads=4 prepare
  sysbench --test=oltp_write_only --oltp-table-size=100000 --max-time=0 --max-requests=400000 --mysql-table-engine=RocksDB  --mysql-socket=bld/data1/mysql.sock --mysql-user=root --mysql-password= --num-threads=4 run

Slave setup:

  change master to master_host='127.0.0.1', master_port=3310, master_user='root', master_password='', master_use_gtid=slave_pos;

Results:

Worst case:
No patch      180.76
With patch     90.17
MyRocks Only   89.14

Best case:
No patch      110.97
With patch     94
MyRocks Only   94.75