Messages in this thread | | | Date | Wed, 22 May 2019 18:00:47 -0700 (PDT) | Subject | Re: [PATCH net-next] hv_sock: perf: Allow the socket buffer size options to influence the actual socket buffers | From | David Miller <> |
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From: Sunil Muthuswamy <sunilmut@microsoft.com> 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@microsoft.com>
Applied.
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