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diff --git a/zarb-ml/mageia-dev/2011-December/010701.html b/zarb-ml/mageia-dev/2011-December/010701.html new file mode 100644 index 000000000..99b4b7a96 --- /dev/null +++ b/zarb-ml/mageia-dev/2011-December/010701.html @@ -0,0 +1,121 @@ +<!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=%3C4EEFDB43.5010202%40roadrunner.com%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="010848.html"> + <LINK REL="Next" HREF="010718.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Mageia-dev] Fwd: Re: [Cooker] System can stall under heavy IOs with slow storage devices</H1> + <B>Frank Griffin</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=%3C4EEFDB43.5010202%40roadrunner.com%3E" + TITLE="[Mageia-dev] Fwd: Re: [Cooker] System can stall under heavy IOs with slow storage devices">ftg at roadrunner.com + </A><BR> + <I>Tue Dec 20 01:48:03 CET 2011</I> + <P><UL> + <LI>Previous message: <A HREF="010848.html">[Mageia-dev] packaging savoir-vivre +</A></li> + <LI>Next message: <A HREF="010718.html">[Mageia-dev] Fwd: Re: [Cooker] System can stall under heavy IOs with slow storage devices +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#10701">[ date ]</a> + <a href="thread.html#10701">[ thread ]</a> + <a href="subject.html#10701">[ subject ]</a> + <a href="author.html#10701">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>Florian reads both lists, so I'm pretty sure this would have been +mentioned somewhere in Mageia-land, but I want to add that I have +experienced extreme delays in firefox and other apps when I run largely +IO-intensive apps with large file buffersizes, and the workaround in +this comment fixes this completely. We should consider this for our +kernels if we haven't already. + +-------- Original Message -------- +Subject: Re: [Cooker] System can stall under heavy IOs with slow +storage devices +Date: Mon, 19 Dec 2011 19:36:02 +0100 +From: Florian Hubold <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">doktor5000 at arcor.de</A>> +Reply-To: <A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">cooker at mandrivalinux.org</A> +To: <A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">cooker at mandrivalinux.org</A> + + + +Am 19.12.2011 10:26, schrieb Franck Bui: +><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>Man, you're my hero, trying to find out what causes this since some months now. +At least two thumbs up! :) +><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> + +-------------- next part -------------- +An HTML attachment was scrubbed... +URL: </pipermail/mageia-dev/attachments/20111219/a1f6de06/attachment.html> +</PRE> + + + + + + + + + + + + + + + + + + + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="010848.html">[Mageia-dev] packaging savoir-vivre +</A></li> + <LI>Next message: <A HREF="010718.html">[Mageia-dev] Fwd: Re: [Cooker] System can stall under heavy IOs with slow storage devices +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#10701">[ date ]</a> + <a href="thread.html#10701">[ thread ]</a> + <a href="subject.html#10701">[ subject ]</a> + <a href="author.html#10701">[ 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> |