diff options
Diffstat (limited to 'share')
-rw-r--r-- | share/man/man7/tuning.7 | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/share/man/man7/tuning.7 b/share/man/man7/tuning.7 index 199d45ed4e57..6793ea145a37 100644 --- a/share/man/man7/tuning.7 +++ b/share/man/man7/tuning.7 @@ -559,7 +559,7 @@ the sysctl rather than disable delayed acks. .Pp The -.Va net.inet.tcp.inflight_enable +.Va net.inet.tcp.inflight.enable sysctl turns on bandwidth delay product limiting for all TCP connections. The system will attempt to calculate the bandwidth delay product for each connection and limit the amount of data queued to the network to just the @@ -569,9 +569,9 @@ if you are serving data over modems, GigE, or high speed WAN links (or any other link with a high bandwidth*delay product), especially if you are also using window scaling or have configured a large send window. If you enable this option, you should also be sure to set -.Va net.inet.tcp.inflight_debug +.Va net.inet.tcp.inflight.debug to 0 (disable debugging), and for production use setting -.Va net.inet.tcp.inflight_min +.Va net.inet.tcp.inflight.min to at least 6144 may be beneficial. Note however, that setting high minimums may effectively disable bandwidth limiting depending on the link. @@ -587,7 +587,7 @@ It does not affect data reception (downloading). .Pp Adjusting -.Va net.inet.tcp.inflight_stab +.Va net.inet.tcp.inflight.stab is not recommended. This parameter defaults to 20, representing 2 maximal packets added to the bandwidth delay product window calculation. @@ -599,7 +599,7 @@ the inflight algorithm). In such cases you may wish to try reducing this parameter to 15, 10, or 5, and you may also have to reduce -.Va net.inet.tcp.inflight_min +.Va net.inet.tcp.inflight.min (for example, to 3500) to get the desired effect. Reducing these parameters should be done as a last resort only. |