diff options
Diffstat (limited to 'zarb-ml/mageia-dev/2011-December/010718.html')
| -rw-r--r-- | zarb-ml/mageia-dev/2011-December/010718.html | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/zarb-ml/mageia-dev/2011-December/010718.html b/zarb-ml/mageia-dev/2011-December/010718.html new file mode 100644 index 000000000..697f267b9 --- /dev/null +++ b/zarb-ml/mageia-dev/2011-December/010718.html @@ -0,0 +1,119 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Mageia-dev] Fwd: Re: [Cooker] System can stall under heavy IOs with slow storage devices + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Fwd%3A%20Re%3A%20%5BCooker%5D%20System%20can%20stall%20under%20heavy%20IOs%0A%20with%20slow%20storage%20devices&In-Reply-To=%3C4EFB42AA.7090708%40arcor.de%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="010701.html"> + <LINK REL="Next" HREF="010667.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Mageia-dev] Fwd: Re: [Cooker] System can stall under heavy IOs with slow storage devices</H1> + <B>Florian Hubold</B> + <A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Fwd%3A%20Re%3A%20%5BCooker%5D%20System%20can%20stall%20under%20heavy%20IOs%0A%20with%20slow%20storage%20devices&In-Reply-To=%3C4EFB42AA.7090708%40arcor.de%3E" + TITLE="[Mageia-dev] Fwd: Re: [Cooker] System can stall under heavy IOs with slow storage devices">doktor5000 at arcor.de + </A><BR> + <I>Wed Dec 28 17:24:10 CET 2011</I> + <P><UL> + <LI>Previous message: <A HREF="010701.html">[Mageia-dev] Fwd: Re: [Cooker] System can stall under heavy IOs with slow storage devices +</A></li> + <LI>Next message: <A HREF="010667.html">[Mageia-dev] [soft-commits] [2494] Port stage2 to use udev. +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#10718">[ date ]</a> + <a href="thread.html#10718">[ thread ]</a> + <a href="subject.html#10718">[ subject ]</a> + <a href="author.html#10718">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>Am 20.12.2011 01:48, schrieb Frank Griffin: +><i> Florian reads both lists, so I'm pretty sure this would have been mentioned +</I>><i> somewhere in Mageia-land, but I want to add that I have experienced extreme +</I>><i> delays in firefox and other apps when I run largely IO-intensive apps with +</I>><i> large file buffersizes, and the workaround in this comment fixes this +</I>><i> completely. We should consider this for our kernels if we haven't already. +</I>Check <A HREF="https://bugs.mageia.org/show_bug.cgi?id=3825#c0">https://bugs.mageia.org/show_bug.cgi?id=3825#c0</A> +Update candidate currently going through validation ... ;) +Also posted in the forums: +<A HREF="https://forums.mageia.org/en/viewtopic.php?p=11691#p11691">https://forums.mageia.org/en/viewtopic.php?p=11691#p11691</A> +><i> +</I>><i> -------- Original Message -------- +</I>><i> Subject: Re: [Cooker] System can stall under heavy IOs with slow storage +</I>><i> devices +</I>><i> Date: Mon, 19 Dec 2011 19:36:02 +0100 +</I>><i> From: Florian Hubold <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">doktor5000 at arcor.de</A>> +</I>><i> Reply-To: <A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">cooker at mandrivalinux.org</A> +</I>><i> To: <A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">cooker at mandrivalinux.org</A> +</I>><i> +</I>><i> +</I>><i> +</I>><i> Am 19.12.2011 10:26, schrieb Franck Bui: +</I>><i> > Hello, +</I>><i> > +</I>><i> > I've noticed a regression on my system which can stall some applications +</I>><i> > (most notably firefox) during very very long time (> 10 mins). +</I>><i> Man, you're my hero, trying to find out what causes this since some months now. +</I>><i> At least two thumbs up! :) +</I>><i> > It's apparently related to transparent huge pages and I found that it +</I>><i> > had already been described by LWN here a month ago: +</I>><i> > <A HREF="http://lwn.net/Articles/467328/.">http://lwn.net/Articles/467328/.</A> +</I>><i> > +</I>><i> > Unlike what it's stated in the article, the regression is not really +</I>><i> > hard to trigger in my case: just plug a USB stick, copy on it a big +</I>><i> > file, then try to use firefox... +</I>><i> > +</I>><i> > To fix this, simply try to disable THP: +</I>><i> > +</I>><i> > echo madvise >/sys/kernel/mm//transparent_hugepage/enabled +</I>><i> > +</I>><i> > and firefox should work as expected now. +</I>><i> > +</I>><i> > So, if no one objects, the plan is to simply default the THP stuff to +</I>><i> > "madvise" for desktop flavour where an application has to ask +</I>><i> > explicitly huge page otherwise it will be disabled. +</I>><i> > +</I>><i> +</I>><i> +</I> + +</PRE> + + + + + + + + + + + + + + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="010701.html">[Mageia-dev] Fwd: Re: [Cooker] System can stall under heavy IOs with slow storage devices +</A></li> + <LI>Next message: <A HREF="010667.html">[Mageia-dev] [soft-commits] [2494] Port stage2 to use udev. +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#10718">[ date ]</a> + <a href="thread.html#10718">[ thread ]</a> + <a href="subject.html#10718">[ subject ]</a> + <a href="author.html#10718">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://www.mageia.org/mailman/listinfo/mageia-dev">More information about the Mageia-dev +mailing list</a><br> +</body></html> |