Re: Link performance over NFS degraded in RHEL5. -- was : Read/Write NFS I/O performance degraded by FLUSH_STABLE page flushing

Tom Talpey
2009-06-05T13:58:19Z

On 6/5/2009 9:54 AM, Trond Myklebust wrote:
> On Fri, 2009-06-05 at 09:50 -0400, Tom Talpey wrote:
>> I'm not 100% clear on what you mean by removing it. Since it's
>> a "no_" option, removing it means that "wdelay" becomes the
>> default? That would certainly cause a regression for many.
>
> You've misunderstood. The current default is to _set_ 'wdelay' on all
> exports that do not explicitly turn it off.

Ok, then turning it off will help some and hurt some. There's no
right setting for all. I do agree that fixing the server is the
best solution, not grabbing wildly at its crockful controls.

Tom.