On Sep 7, 2007, at 8:52 AM, Hal Vaughan wrote:
On Friday 07 September 2007, Serena Cantor wrote:Thanks! "most of server-related work" are very specialized program I wrote myself. another example: seeding in bittorrent, if memory is big enough and file being served is small enough.Also, depending on RAM size, even if you think everything can be done inmemory only, a lot of processes might be using swap space or may be writing cache or log files to the disc.
Also, Linux is very aggressive about swapping out idle pages. (Some would even say too aggressive.) Even if you have what you think is plenty of RAM, it's quite likely Linux will swap out some stuff in order to make more room for the disk cache.