- on the engine sockets
[root@hosted-engine-07 fd]# ss -ntp | grep 54321
ESTAB 0 0 [::ffff:10.46.16.255]:57846 [::ffff:10.46.16.44]:54321 users:(("java",pid=2836,fd=592))�
CLOSE-WAIT 1 0 [::ffff:10.46.16.255]:50840 [::ffff:10.46.16.45]:54321 users:(("java",pid=2836,fd=593))�
STAB 0 0 [::ffff:10.46.16.255]:35584 [::ffff:10.46.16.46]:54321 users:(("java",pid=2836,fd=611))�
STAB 0 0 [::ffff:10.46.16.255]:57882 [::ffff:10.46.16.44]:54321 - check the FD timestamp