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Diffstat (limited to 'open_issues/default_pager.mdwn')
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diff --git a/open_issues/default_pager.mdwn b/open_issues/default_pager.mdwn new file mode 100644 index 00000000..38c9a2be --- /dev/null +++ b/open_issues/default_pager.mdwn @@ -0,0 +1,44 @@ +[[!meta copyright="Copyright © 2011, 2012, 2013, 2014 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]]."]]"""]] + +[[!tag open_issue_gnumach]] + +[[!toc]] + + +# IRC, freenode, #hurd, 2011-08-31 + + <antrik> braunr: do you have any idea what could cause the paging errors + long before swap is exhausted? + <braunr> antrik: not really, but i know every project based on the mach vm + have rewritten their swap pager + <antrik> (and also I/O performance steadily dropping before that point is + reached?) + +[[performance/degradation]], [[ext2fs_page_cache_swapping_leak]]. + + <antrik> hm + <braunr> there could too many things + <antrik> perhaps we could "borrow" from one of them? :-) + <braunr> map entry fragmentation for example + <braunr> the freebsd one is the only possible candidate + <braunr> uvm is too different + <braunr> dragonflybsd maybe, but it's very close to freebsd + <braunr> i didn't look at darwin/xnu + + +# [[trust_the_behavior_of_translators]] + + +# IRC, freenode, #hurd, 2013-10-30 + + <braunr> it also seems that the kernel has trouble resuming processes that + have been swapped out |