connection pool can not recycle

[wzk784533]

I am using redis3m in productive enviroment. when system is busy and concurrent is high,the simple_pool will establish new connection with redis server.But when system is idle,say midnight,simple_pool can not recycle connection.

127.0.0.1:6379> info clients

Clients

connected_clients:14047
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:1431

[aidevr]

any update on this ?