Keep sockets around in a pool to be used by other requests in the future. Default = false
Optional keepAliveMsecs
keepAliveMsecs:number
When using HTTP KeepAlive, how often to send TCP KeepAlive packets over sockets being kept alive. Default = 1000.
Only relevant if keepAlive is set to true.
Optional maxFreeSockets
maxFreeSockets:number
Maximum number of sockets to leave open in a free state. Only relevant if keepAlive is set to true. Default = 256.
Optional maxSockets
maxSockets:number
Maximum number of sockets to allow per host. Default for Node 0.10 is 5, default for Node 0.12 is Infinity
Optional timeout
timeout:number
Socket timeout in milliseconds. This will set the timeout after the socket is connected.
Keep sockets around in a pool to be used by other requests in the future. Default = false