From: Sunil Muthuswamy <sunilmut@xxxxxxxxxxxxx> Date: Wed, 22 May 2019 22:56:07 +0000 > Currently, the hv_sock buffer size is static and can't scale to the > bandwidth requirements of the application. This change allows the > applications to influence the socket buffer sizes using the SO_SNDBUF and > the SO_RCVBUF socket options. > > Few interesting points to note: > 1. Since the VMBUS does not allow a resize operation of the ring size, the > socket buffer size option should be set prior to establishing the > connection for it to take effect. > 2. Setting the socket option comes with the cost of that much memory being > reserved/allocated by the kernel, for the lifetime of the connection. > > Perf data: > Total Data Transfer: 1GB > Single threaded reader/writer > Results below are summarized over 10 iterations. ... > Signed-off-by: Sunil Muthuswamy <sunilmut@xxxxxxxxxxxxx> Applied.
