> == TDB2
> 
> TDB2 is experimental. The current TDB2 loader is a functional placeholder.
> 
> It is writing all three indexes at the same time. While for SPO this is
> not a bad access pattern (subjects are naturally grouped), for POS and
> OSP, the I/O is a random pattern, not a stream pattern. There is more
> than double contention for OS disk cache, hence it is slow and gets
> slower faster.

@Andy do you have time and TPS stats for TDB2 as well?

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