[openib-general] why sdp connections cost so much memory

[Michael S. Tsirkin]

Quoting r. zhu shi song <zhushisongzhu at yahoo.com>:
> Subject: Re: why sdp connections cost so much memory
> 
> I tested for 10 times and every time issued 5000
> concurrent connections to access Internet through SDP.
> Until now I haven't found any problem.  I hope you can
> also reduce memory used by one SDP connection.

You mean - when only a single socket is open?

>   Another question, When I use ib_query_gid in
> sdp_init function, it return -EINVAL.  How to use
> ib_query_gid correctly?

Looks like you are passing in an invalid gid.

>   If I want to let SDP module is independent of ipoib
> module, it it difficult?

The SDP protocol uses ARP over IPoIB for its address resolution.
So you'd need to find some other way to perform address resolution.

-- 
MST