On Thu, Oct 23, 2008 at 3:59 PM, Evgeniy Polyakov <zbr@xxxxxxxxxxx> wrote: > On Thu, Oct 23, 2008 at 02:40:01PM -0500, Steve French (smfrench@xxxxxxxxx) wrote: >> I think we already do the same thing as NFS, they still are turning >> off autotuning on the client right? >> >> If we could set a "sk_min_sndbuf_size" someday (to e.g. twice the size >> of the cifs write frames ie about 112K) - would that be enough? > > > You do not need to set sockt buffers, but instead read data in chunks, > which will automatically make a TCP progress. If that is the case (ie that cifs and nfs never need to set these over tcp - I am still having trouble reconciling that with the NFS guys' comments that they must set rcvbuf (and Jim's comment below) > The other issue is that at least for NFS, the receive buffer must be big > enough to hold the biggest possible rpc. If not, a partial rpc will get > stuck in the buffer and no progress will be made. > -- Thanks, Steve -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
