Long integer (32 bits on 32–bit platforms and 64 bits on 64–bit platforms)
300,000 milliseconds (5 minutes)
0 to 231 - 1 on 32–bit platforms
0 to 263 - 1 on 64–bit platforms
Use this parameter to change the time that idle connections are allowed to exist on the client before being closed, if desired. You might might want to close connections at a faster rate to avoid consuming system resources.