Bug 769504

Summary:	Dramatically decrease perfomance (huge amount disk i/o operations) when allocation memory above 80%
Product:	[Fedora] Fedora	Reporter:	Mikhail <mikhail.v.gavrilov>
Component:	kernel	Assignee:	Kernel Maintainer List <kernel-maint>
Status:	CLOSED INSUFFICIENT_DATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	high	Docs Contact:
Priority:	unspecified
Version:	17	CC:	gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda
Target Milestone:	---
Target Release:	---
Hardware:	i686
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2012-09-04 14:35:44 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:

Description Mikhail 2011-12-21 05:04:29 UTC

Description of problem:
Dramatically decrease perfomance (huge amount disk i/o operations) when allocation memory above 70%

In my system not used swap file.
Memory size: 2Gb
Problem begin's when allocation memory 1.4 - 1.5Gb

Comment 1 Dave Jones 2012-03-22 16:54:39 UTC

[mass update]
kernel-3.3.0-4.fc16 has been pushed to the Fedora 16 stable repository.
Please retest with this update.

Comment 2 Dave Jones 2012-03-22 16:58:14 UTC

[mass update]
kernel-3.3.0-4.fc16 has been pushed to the Fedora 16 stable repository.
Please retest with this update.

Comment 3 Dave Jones 2012-03-22 17:09:34 UTC

[mass update]
kernel-3.3.0-4.fc16 has been pushed to the Fedora 16 stable repository.
Please retest with this update.

Comment 4 Mikhail 2012-09-04 14:40:02 UTC

don't know about fedora 16 I've been sitting on Fedora 17 and always feel lockup with input output.