Re: mmap over nfs leads to excessive system load

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--- Trond Myklebust <[email protected]> wrote:
> I'm getting lost here. Please could you spell out the testcases that are
> not working.

I've redone my test cases and have confirmed that O_DIRECT with pwrite64 triggers the bad
condition.

The cases that are fine are:
  pwrite64
  ftruncate with O_DIRECT
  ftruncate

Also, when the system is in this state, if I try to 'ls' the file,
the 'ls' process becomes stuck in state D in sync_page.  stracing the 'ls'
shows it is in a call to stat64.

-Kenny



		
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