kernel-packages team mailing list archive

[Vadim Peretokin <vperetokin@xxxxxxxxx>]

I'm surprised this is being debated. Look at Google:
https://www.google.com.au/search?q=linux+high+io+desktop&oq=linux+high+&aqs=chrome.0.69i59j69i57j69i64l2.1936j0j1&sourceid=chrome&ie=UTF-8

You will clearly see that high enough IO will harm desktop responsiveness.
Surely all of these people aren't making it up?

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https://bugs.launchpad.net/bugs/131094

Title:
  Heavy Disk I/O harms desktop responsiveness

Status in The Linux Kernel:
  Fix Released
Status in The Linux Mint Distribution:
  New
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Binary package hint: linux-source-2.6.22

  When compared with 2.6.15 in feisty, heavy disk I/O causes increased
  iowait times and affects desktop responsiveness in 2.6.22

  this appears to be a regression from 2.6.15 where iowait is much lower
  and desktop responsiveness is unaffected with the same I/O load

  Easy to reproduce with tracker - index the same set of files with
  2.6.15 kernel and 2.6.22 kernel and the difference in desktop
  responsiveness is massive

  I have not confirmed if a non-tracker process which does heavy disk
  i/o (especially writing) replicates this yet - will do further
  investigation soon

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