我执行一个命令行脚本：
/usr/local/php/bin/php yiic.php CollectApi Cron
结果过了没10分钟，进程里多了很多
www@web-19:/data/web/admin/protected/runtime/shell> ps aux | grep "php"
www 4789 0.8 2.2 101032 47224 pts/0 S+ 20:41 0:27 /usr/local/php/bin/php yiic.php CollectApi Cron
www 5005 0.5 1.6 84596 33644 ? S 20:50 0:14 /usr/local/php/bin/php yiic.php CollectApi Cron
www 5023 0.4 1.5 82788 32384 ? S 20:55 0:10 /usr/local/php/bin/php yiic.php CollectApi Cron
www 5061 0.3 2.9 116296 61280 ? S 21:00 0:08 /usr/local/php/bin/php yiic.php CollectApi Cron
www 5108 0.3 3.0 119940 64824 ? S 21:05 0:07 /usr/local/php/bin/php yiic.php CollectApi Cron
www 5126 0.5 1.3 78372 27972 ? S 21:10 0:08 /usr/local/php/bin/php yiic.php CollectApi Cron
www 5160 0.5 2.7 112396 57204 ? S 21:15 0:07 /usr/local/php/bin/php yiic.php CollectApi Cron
www 5198 0.7 2.0 93836 41952 ? S 21:20 0:07 /usr/local/php/bin/php yiic.php CollectApi Cron
www 5216 0.1 2.0 96380 43676 ? S 21:25 0:00 /usr/local/php/bin/php yiic.php CollectApi Cron
www 5258 0.1 1.9 93776 41052 ? S 21:30 0:00 /usr/local/php/bin/php yiic.php CollectApi Cron
www 5310 0.4 1.8 91440 38728 ? S 21:35 0:00 /usr/local/php/bin/php yiic.php CollectApi Cron
www 5315 0.0 0.0 5096 800 pts/1 S+ 21:37 0:00 grep php
强老大，怎么回事呢？？？
环境：
suse php5.3 php-fpm