I have setup nginx to serve flv and mp4 files but in some time my streaming get slow... if I restart nginx.. everything works fine for a short time.. I see that memory usage is veary low.. bud my load goes as high as number of nginx process.. is there any way to configure somehow nginx to work fine ? i am aware of that my disks are SATA and they are in RAID stripe mode... any suggestiong how to configure ?