On Mon, 2014-01-20 at 11:02 +0100, onetwothree wrote: > Optional JVM parameters set xmx = 3072, xms = 1024 > directoryFactory: MMapDirectory
[...] > So it seems that filesystem buffers are consuming all the leftover memory??, > and don't release memory, even after a quite amount of time? As long as the memory is indeed leftover, that is the optimal strategy. Maybe Uwe's explanation of MMapDirectory will help: http://blog.thetaphi.de/2012/07/use-lucenes-mmapdirectory-on-64bit.html Regards, Toke Eskildsen, State and University Library, Denmark