High swap memory utilization

Hi Everyone,

Need some assistance for this issue:

Solaris 11.3

0.5.11-0.175.3.27.0.4.0

Currently i'm facing issue that the system is not release any swap memory and affect the system of not able to use application .

Header 1

PID USERNAME     SIZE      RSS STATE   PRI NICE      TIME    CPU LWPID PROCESS/LWPNAME 29633 root       53368K   49456K sleep     0    0   0:00:22 0.018%     1 perl 17165 100      5298688K 1631648K sleep    19    0   0:01:34 0.009%    34 java 28344 smmsp      15880K   10672K sleep    60    0   0:00:18 0.006%     1 sendmail 31096 smmsp      21472K   16784K sleep    60    0   0:00:06 0.006%     1 sendmail 28808 smmsp      21984K   17296K sleep    60    0   0:00:14 0.006%     1 sendmail 26909 smmsp      23008K   18320K sleep    60    0   0:00:39 0.006%     1 sendmail 27514 smmsp      23008K   18320K sleep    60    0   0:00:30 0.006%     1 sendmail 27717 smmsp      16984K   12160K sleep    60    0   0:00:26 0.006%     1 sendmail 28982 smmsp      15816K   10608K sleep    60    0   0:00:10 0.006%     1 sendmail 31609 smmsp      15000K   10184K sleep    60    0   0:00:03 0.006%     1 sendmail 28436 smmsp      15896K   11072K sleep    60    0   0:00:18 0.006%     1 sendmail