Unless you have GC pauses, or run out of memory, or have flaky ram, or bought shoddy nics, or hit a kernel bug, or have a WAN link, or use EC2, or rely on a hos

Unless you have GC pauses, or run out of memory, or have flaky ram, or bought shoddy nics, or hit a kernel bug, or have a WAN link, or use EC2, or rely on a hosting provider or colo's network. ;-)