Home > Storage > PowerScale (Isilon) > Industry Solutions and Verticals > Media and Entertainment > PowerScale OneFS: macOS Client Performance and User Experience Optimization > Changing delayed_ack with sysctl
To query the current setting of the client, enter the following at the macOS command line:
$ sudo sysctl net.inet.tcp.delayed_ack
Example response:
net.inet.tcp.delayed_ack: 3
To temporarily change this setting, enter the following at the macOS command line:
$ sudo sysctl -w net.inet.tcp.delayed_ack=0
Example response:
net.inet.tcp.delayed_ack: 3 -> 0
Changing delayed_ack with sysctl will not persist across reboots.