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diff --git a/service_solahart_jakarta_selatan__082122541663/performance/degradation.mdwn b/service_solahart_jakarta_selatan__082122541663/performance/degradation.mdwn new file mode 100644 index 00000000..1aaae4d2 --- /dev/null +++ b/service_solahart_jakarta_selatan__082122541663/performance/degradation.mdwn @@ -0,0 +1,52 @@ +[[!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]] |