Re: CIFS slow on gigabit, doesn't support sockopt=TCP_NODELAY ?
Jeff Layton <[email protected]>
| Newsgroups | gmane.linux.file-systems.cifs |
|---|---|
| Message-ID | <[email protected]> |
On Mon, 24 Aug 2009 16:02:48 +0200 Volker Lendecke <[email protected]> wrote: > On Mon, Aug 24, 2009 at 09:50:20AM -0400, Jeff Layton wrote: > > Yeah. The sockopt= option is completely ignored. I proposed a patch > > to remove it not too long ago... > > > > I'm unclear...so you're saying here that turning on TCP_NODELAY on the > > server it helps throughput when using the Linux CIFS client? > > > > It seems to be that there are probably bottlenecks you'll hit sooner > > before Nagle's algorithm becomes an issue (lack of parallelism in > > writes for one thing), but it may be worth experimenting with that flag > > if you've seen a measurable throughput increase. > > While there... Any updates on the parallel reads and writes > we discussed a couple of months ago? > Not from me. Would still definitely be a nice-to-have. -- Jeff Layton <[email protected]>