Hi Erik, Thanks for figuring that bit out! Indeed, it seems TCP is the problem, and IL seems to work fine for me for the moment:
echo '1 2 3' | rx il!$cpu!17009 awk -f $home/comp.awk | gview works perfectly! I'll try to dig deeper into the TCP case. Best, ak On 4/26/10, erik quanstrom <quans...@labs.coraid.com> wrote: >> >> "... >> eqn paper | rx kremvax troff -ms | rx deepthought lp >> Parallel processing: do each stage of a pipeline on a >> different machine. >> " >> >> however, it seems not to work this way. >> My basic test has been something like: >> >> echo '1 2 3' | rx $cpu awk -f $home/comp.awk | gview > > cool that you tracked this down. > > this just doesn't work. the problem seems to be that tcp > is eating the eof. awk doesn't know to exit. > > if you are using il, this does work. > > ; echo 1 2 3| 8.rx bureau sed s/1/x/ | sed s/2/y/ > x y 3 > > but if you are using tcp, it hangs. sed never sees the > eof and doesn't generate output (because it's buffered). > > the answer isn't obvious to me with tcp as i don't > know of a way to half-close a tcp connection — > from userspace anyway. > > - erik > >
