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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
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: cft-2.6.27
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Heavy Disk I/O harms desktop responsiveness
https://bugs.launchpad.net/bugs/131094
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