path: root/open_issues/performance/degradation.mdwn
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authorThomas Schwinge <>2011-09-01 09:27:33 +0200
committerThomas Schwinge <>2011-09-01 09:27:33 +0200
commit3e7472b3d54853389cd8a17475901fbef976ef18 (patch)
treefdd31020d36728fe3c2059fa93a9dfcf7b2c2e87 /open_issues/performance/degradation.mdwn
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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
+[[!meta title="Degradation of GNU/Hurd ``system performance''"]]
+Email, *id:""* (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