Low Description
To reproduce:
Enable SSL encryption and let the server be idle for a day or so you will see the below....
[vijay_tcasstest@vijay_tcass--1c-i-1568885c ~]$ /usr/sbin/lsof |grep -i cassandra-app.jks |wc -l ;date
16333
Sun Sep 25 17:23:29 UTC 2011
[vijay_tcasstest@vijay_tcass--1c-i-1568885c ~]$ java -jar cmdline-jmxclient-0.10.3.jar - localhost:7501 java.lang:type=Memory gc
[vijay_tcasstest@vijay_tcass--1c-i-1568885c ~]$ /usr/sbin/lsof |grep -i cassandra-app.jks |wc -l ;date
64
Sun Sep 25 17:23:53 UTC 2011
[vijay_tcasstest@vijay_tcass--1c-i-1568885c ~]$
After running GC manually the issue goes away.