Note: This bug is displayed in read-only format because the product is no longer active in Red Hat Bugzilla.
RHEL Engineering is moving the tracking of its product development work on RHEL 6 through RHEL 9 to Red Hat Jira (issues.redhat.com). If you're a Red Hat customer, please continue to file support cases via the Red Hat customer portal. If you're not, please head to the "RHEL project" in Red Hat Jira and file new tickets here. Individual Bugzilla bugs in the statuses "NEW", "ASSIGNED", and "POST" are being migrated throughout September 2023. Bugs of Red Hat partners with an assigned Engineering Partner Manager (EPM) are migrated in late September as per pre-agreed dates. Bugs against components "kernel", "kernel-rt", and "kpatch" are only migrated if still in "NEW" or "ASSIGNED". If you cannot log in to RH Jira, please consult article #7032570. That failing, please send an e-mail to the RH Jira admins at rh-issues@redhat.com to troubleshoot your issue as a user management inquiry. The email creates a ServiceNow ticket with Red Hat. Individual Bugzilla bugs that are migrated will be moved to status "CLOSED", resolution "MIGRATED", and set with "MigratedToJIRA" in "Keywords". The link to the successor Jira issue will be found under "Links", have a little "two-footprint" icon next to it, and direct you to the "RHEL project" in Red Hat Jira (issue links are of type "https://issues.redhat.com/browse/RHEL-XXXX", where "X" is a digit). This same link will be available in a blue banner at the top of the page informing you that that bug has been migrated.

Bug 728859

Summary: qemu copy image with no cache decreased performance too much
Product: Red Hat Enterprise Linux 6 Reporter: Larisa Ustalov <lustalov>
Component: vdsmAssignee: Dan Kenigsberg <danken>
Status: CLOSED DUPLICATE QA Contact: yeylon <yeylon>
Severity: high Docs Contact:
Priority: unspecified    
Version: 6.1CC: abaron, bazulay, iheim, istein, oramraz, srevivo, ykaul
Target Milestone: rcKeywords: Regression, TestBlocker
Target Release: ---   
Hardware: Unspecified   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-08-08 13:06:13 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
vdsm log none

Description Larisa Ustalov 2011-08-08 07:18:12 UTC
Description of problem:
Create template from VM was running 25 minutes instead of 2-3 min.


Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.
2.
3.
  
Actual results:


Expected results:


Additional info:

Comment 2 Oded Ramraz 2011-08-08 07:44:03 UTC
The tests were performed on NFS storage domain .

Comment 7 Larisa Ustalov 2011-08-08 08:48:00 UTC
Created attachment 517133 [details]
vdsm log

Comment 8 Larisa Ustalov 2011-08-08 08:49:20 UTC
affects performance for NFS storage only

Comment 9 Dan Kenigsberg 2011-08-08 13:06:13 UTC

*** This bug has been marked as a duplicate of bug 728905 ***

Comment 10 Ilanit Stein 2011-08-09 14:24:35 UTC
I had such problem as well in the ExportImport test.
In NFS only, Template creation took 30 min. 
Test fails on timeout.
host RHEV-H 6.2 (0.11.el6), vdsm-4.9-89.el6.x86_64