Date: Mon, 4 Mar 2013 11:24:08 -0700 From: gary mazzaferro <garym@oedata.com> To: freebsd-hackers@freebsd.org Subject: Re: Need advice on sys5 shm and zero copy sockets Message-ID: <CAGwOJnzr%2BJ5XCFP8dRynpzMxHrvWMFyS_iecTRhewNYptM3xMQ@mail.gmail.com> In-Reply-To: <CAGwOJnybaQ7%2BAgnoiFZEBruvFyZOKjW3S8tAYzkTx7pX9K%2B_Vw@mail.gmail.com> References: <CAGwOJnybaQ7%2BAgnoiFZEBruvFyZOKjW3S8tAYzkTx7pX9K%2B_Vw@mail.gmail.com>
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Hi, Thanks for all the help.. Looks like I'll move forward with recommending linux as a base for our new cloud execution containers. Personally, I thought freebsd would be a technically superior and longer term solution for scientific grid and cloud, but if I can't get support on best architectural practices. I'll need to move to something I that will be supported during eval, design and prototyping processes. -g On Thu, Feb 7, 2013 at 1:22 PM, gary mazzaferro <garym@oedata.com> wrote: > Hi, > > I was told to post this question here (Ken Merry), it would be a good > place to get some help. I'm not sure this is doable without a kernel > module, which I don't want to add. > > I'll explain what I'm attempting.. > > I'm designing a high speed rest motor for cloud execution environment. > > 1) I'd like to eliminate copy from the tcp stack to the application(s). > > 2) I'm also sharing the buffers across processes and jails. So I'd > like to preserve the zero-copy in a msg pipe/unix socket > > 3) Some buffers will go to disk file systems. > > > Wish list: > 4) I'd like it to work with sctp because I like it for local networking :) > > 5) I'd like to provision memory pools on a per > application/connection/ip port basis. > > Ultimate Goal: > 6) Additionally, I'm injecting "code" from a foreign process into the > workflow of another process (state machine). The connection between > them will be a signal and shared state information. > > I'm assuming item (6) is a separate issue, but it may impact the direction.. > > I've tried shm with zero copy sockets with linux and it just will not work !! > > BTW, I'm returning to freebsd after far too many years > > cheers, > gary
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