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[Peter Schuller]

> Yep, I've seen JRRT also "abort compaction" on most compactions. I couldn't
> quite figure out how to tell it that it was fine to pause more often for
> compaction, so long as each pause was short.

FWIW, I got the impression at the time (but I don't remember why; I
think I was half-guessing based on assumptions about what it does and
several iterations through the documentation) that it was
fundamentally only *able* to do compaction during the stop-the-world
pause after a concurrent mark phase. I.e., I don't think you can make
it spread the work out (but I can most definitely be wrong).

-- 
/ Peter Schuller