On 07/11/2012 05:10 PM, yaohaiting.wujue at gmail.com wrote: > tx/rx are in main thead now. Then the tx/rx can not be done at the same > time. The tx/rx will also delay the epoll event. > > I use one thread for tx and one thread for rx. This improve the > performance. I have run a simple test to test your patch and mine with vanilla code and no benefit is shown: yours mine vanilla 67s 68s 65s $./script.sh 4 ========================================= #!/bin/bash pkill -9 sheep pkill -9 collie rm store/* -rf nr=`seq 1 $1` echo $nr for i in `seq 0 7`; do sheep/sheep -d /home/tailai.ly/sheepdog/store/$i -z $i -p $((7000+$i));sleep 1;done collie/collie cluster format -c 3 sleep 3 time1=`date +%s` for i in $nr;do collie/collie vdi create test$i 100M done sleep 1 for i in $nr;do dd if=/dev/urandom | collie/collie vdi write test$i -p 7000 & done echo wait for write to finish for ((;;)); do if [ "$(pgrep collie)" ]; then sleep 1 else break fi done time2=`date +%s` echo $(($time2 - $time1)) |