Turns out you don't need GC for processing that 13 GB file, with relatively small heap sizes even: some folks have disabled GC by means of using EpsilonGC (i.e.

Turns out you don't need GC for processing that 13 GB file, with relatively small heap sizes even: some folks have disabled GC by means of using EpsilonGC (i.e. a no-op collector). That said, the right collector will give you sub-ms pause times these days (at the cost of lower through-put).