I See lots of these deleted file descriptors cassandra is holding in my case out of 90K file descriptors 80.5K is having these descriptors

Because of this cassandra is not performing well.

Can some one please tell what i am doing wrong.


lr-x------ 1 root root 64 Nov 14 08:25 10875 -> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-119-Data.db (deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10876 -> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-110-Data.db (deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10877 -> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-133-Data.db (deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10878 -> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-124-Data.db (deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10879 -> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-110-Data.db (deleted)
lr-x------ 1 root root 64 Nov 14 08:11 1088 -> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-110-Data.db (deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10880 -> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-133-Data.db (deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10881 -> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-119-Data.db (deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10882 -> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-124-Data.db (deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10883 -> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-119-Data.db (deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10884 -> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-133-Data.db (deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10885 -> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-110-Data.db (deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10886 -> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-124-Data.db (deleted)
lr-x------ 1 root root 64 Nov 14 08:25 10887 -> /var/lib/cassandra/data/tests/sample_data/sample_data_points-jb-119-Data.db (deleted)