> Besides increasing the memory size, do we have other means to prevent > linux from memory swapping? Edit your system's /etc/fstab to remove the swap entry. man swapoff man 5 fstab Use vmstat and /proc/<pid>/statm to see which processes are using most memory. Look at the kernel source code to see what the numbers mean. /james - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html