On Wed, May 5, 2010 at 8:08 PM, Kyusik Chung <kyu...@discovereads.com> wrote: > if the data from the sstables hasnt already been loaded into memory by mmap, > load it into memory; if you're out of memory on the box, swap some of the > old mmapped data out of memory
mmap() does not copy your data into memory; it maps your virtual address space to the disk file, so you can treat the file as memory, usually an array of bytes or structures. or is mmap on java different than that in C?
