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authorhttps://me.yahoo.com/a/g3Ccalpj0NhN566pHbUl6i9QF0QEkrhlfPM-#b1c14 <diana@web>2015-02-16 20:08:03 +0100
committerGNU Hurd web pages engine <web-hurd@gnu.org>2015-02-16 20:08:03 +0100
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-[[!meta copyright="Copyright © 2011, 2012 Free Software Foundation, Inc."]]
-
-[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
-id="license" text="Permission is granted to copy, distribute and/or modify this
-document under the terms of the GNU Free Documentation License, Version 1.2 or
-any later version published by the Free Software Foundation; with no Invariant
-Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license
-is included in the section entitled [[GNU Free Documentation
-License|/fdl]]."]]"""]]
-
-[[!meta title="Degradation of GNU/Hurd ``system performance''"]]
-
-[[!tag open_issue_gnumach open_issue_hurd]]
-
-[[!toc]]
-
-
-# Email, [[!message-id "87mxg2ahh8.fsf@kepler.schwinge.homeip.net"]] (bug-hurd, 2011-07-25, Thomas Schwinge)
-
-> Building a certain GCC configuration on a freshly booted system: 11 h.
-> Remove build tree, build it again (2nd): 12 h 50 min. Huh. Remove build
-> tree, reboot, build it again (1st): back to 11 h. Remove build tree, build
-> it again (2nd): 12 h 40 min. Remove build tree, build it again (3rd): 15 h.
-
-IRC, freenode, #hurd, 2011-07-23:
-
- < antrik> tschwinge: yes, the system definitely gets slower with
- time. after running for a couple of weeks, it needs at least twice as
- long to open a new shell for example
- < antrik> I don't know whether this is only related to swap usage, or there
- are some serious fragmentation issues
- < braunr> antrik: both could be induced by fragmentation
-
-
-# During [[IPC_virtual_copy]] testing
-
-IRC, freenode, #hurd, 2011-09-02:
-
- <manuel> interestingly, running it several times has made the performance
- drop quite much (i'm getting 400-500MB/s with 1M now, compared to nearly
- 800 fifteen minutes ago)
- <braunr> manuel: i observed the same behaviour
- [...]
-
-
-# IRC, freenode, #hurd, 2011-09-22
-
-See [[/open_issues/resource_management_problems/pagers]], IRC, freenode, #hurd,
-2011-09-22.
-
-
-# [[ext2fs_page_cache_swapping_leak]]