So many defunct under Cacti user.

[soemoekyaw]

I am able to see so many defunct under Cacti account as below. Is it normal? If not, please advice how should I solve it. Thanks.

Ps- I am using Solaris 8.

cacti 2249 1 0 23:00:01 ? 0:00 /usr/local/cactid/bin/cactid 0 90
..
..
cacti 2307 2249 0 0:00 <defunct>
cacti 2252 2249 0 0:00 <defunct>
cacti 2316 2249 0 0:00 <defunct>
cacti 2298 2249 0 0:00 <defunct>
cacti 2261 2249 0 0:00 <defunct>
cacti 2293 2249 0 0:00 <defunct>
cacti 2341 2249 0 0:00 <defunct>
cacti 2288 2249 0 0:00 <defunct>
cacti 2276 2249 0 0:00 <defunct>
cacti 2364 2249 0 0:00 <defunct>