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+[[!meta copyright="Copyright © 2011 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''"]]
+
+Email, *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
+ [...]