Re: NFS and kernel 2.6.x

From: Charles Shannon Hendrix
Date: Sat Apr 17 2004 - 13:10:54 EST

Fri, 16 Apr 2004 @ 22:28 -0700, Trond Myklebust said:

> It's an inevitable side-effect of the increased caching.

OK. That answers my question of: was making NFS bursty done on purpose.
Answer: no.

> If you are constantly writing out data, then you spread out the load
> a lot more than if you wait until the user actually requests a flush.
> On the other hand, it means that if your application reads/writs
> several times over the same page, then you only write it out once.

Usually, eliminating redundant writes in your application is a better
optimization than relying on the OS to do it for you.

I find bursty I/O is less desirable in most cases.

shannon "AT" -- ["The trade of governing has always been
monopolized by the most ignorant and the most rascally individuals of
mankind. -- Thomas Paine"]
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