At Tokutek, we take our metrics very seriously and put considerable time and effort into our benchmarks. We invite you to review the data, and encourage you to download the software and run your own comparisons.

InnoDB TokuDB®
Index Type B-tree Fractal Tree® index
Insertion Rate at Scale 100s / second 10,000s / second
Compression ~2x 5x – 10x typical, up to 25x possible
Hot Indexing No (hrs+) Yes (secs to mins)
Hot Column Addition/Deletion/ Expansion/Rename No (hrs+) Yes (secs to mins)
Fast Loader No Yes
Fragmentation Immunity No Yes (no dump/reload downtime – no index fragmentation)
Clustering Indexes Primary Key Only Multiple
Fast Recovery Time No Yes
Eliminates Slave Lag No Yes
MariaDB Compatible Yes Yes
ACID Yes Yes
MVCC Yes Yes