Re: [PATCH net-next 2/3] RDS-TCP: Do not bloat sndbuf/rcvbuf in rds_tcp_tune

2015-09-30 Thread santosh shilimkar
On 9/30/2015 6:45 AM, Sowmini Varadhan wrote: Using the value of RDS_TCP_DEFAULT_BUFSIZE (128K) clobbers efficient use of TSO because it inflates the size_goal that is computed in tcp_sendmsg/tcp_sendpage and skews packet latency, and the default values for these parameters actually results in si

[PATCH net-next 2/3] RDS-TCP: Do not bloat sndbuf/rcvbuf in rds_tcp_tune

2015-09-30 Thread Sowmini Varadhan
Using the value of RDS_TCP_DEFAULT_BUFSIZE (128K) clobbers efficient use of TSO because it inflates the size_goal that is computed in tcp_sendmsg/tcp_sendpage and skews packet latency, and the default values for these parameters actually results in significantly better performance. In request-resp