Bug 205931 - kio_http_cache_cleaner trashes harddrive with huge io
Summary: kio_http_cache_cleaner trashes harddrive with huge io
Status: RESOLVED DUPLICATE of bug 117326
Alias: None
Product: kdelibs
Classification: Frameworks and Libraries
Component: general (show other bugs)
Version: 4.3
Platform: Debian testing Unspecified
: NOR normal
Target Milestone: ---
Assignee: kdelibs bugs
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2009-09-01 23:33 UTC by Christoph Burgmer
Modified: 2009-12-09 00:00 UTC (History)
1 user (show)

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Description Christoph Burgmer 2009-09-01 23:33:24 UTC
Version:            (using KDE 4.3.0)
Installed from:    Debian testing/unstable Packages

kio_http_cache_cleaner runs several times a day creating huge io loads, though
- running on batteries
- http cache wasn't touched
- other more important processes need sheduling first

Other browser seem to work without this kind of mechanism and the big amount of read io seems unneccessary considering the fact that only minimum or no changes are made to the set. Killing the process does no obvious harm, which even more raises the question for the need of frequent cleaning.

See the output of iotop:

Total DISK READ: 656.84 K/s | Total DISK WRITE: 0.00 B/s
  TID  PRIO  USER     DISK READ  DISK WRITE  SWAPIN     IO>    COMMAND
16484 be/4 christop  656.84 K/s    0.00 B/s  0.00 % 98.51 % 
kio_http_cache_cleaner
    1 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % init [2]
    2 be/3 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % [kthreadd]
    3 rt/3 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % [migration/0]
    4 be/3 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % [ksoftirqd/0]
Comment 1 zmeyski@gmail.com 2009-09-28 22:56:37 UTC
Hello,

i observe the same on ArchLinux KDE 4.3.1 It happens almost immediate after i start KDE (using startx here to bring up the DE) and is extremely annoying.

BRS
Atanas
Comment 2 Christoph Feck 2009-12-09 00:00:30 UTC

*** This bug has been marked as a duplicate of bug 117326 ***