Bug 716723

Summary: [vdsm] [Scalability] Scalability problems when running ~49 vms with 24 network interfaces each.
Product: Red Hat Enterprise Linux 6 Reporter: David Naori <dnaori>
Component: vdsmAssignee: Federico Simoncelli <fsimonce>
Status: CLOSED INSUFFICIENT_DATA QA Contact: yeylon <yeylon>
Severity: low Docs Contact:
Priority: unspecified    
Version: 6.1CC: abaron, bazulay, danken, dnaori, hateya, iheim, mgoldboi, srevivo, ykaul
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-07-28 08:26:02 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On:    
Bug Blocks: 612978    
Attachments:
Description Flags
full log. none

Description David Naori 2011-06-26 16:40:49 UTC
Created attachment 509978 [details]
full log.

Description of problem:
Scalabiltiy problems When running ~49 vms on a host with 24 network interfaces each.
**3 major issues found:

1) getVdsCaps returns after ~31.784 seconds

2) libvirtd cpu consumption = ~120% (as a result of the stats threads)

3) when restarting vdsmd recovering from crash or Initializing takes ~20 minutes

Version-Release number of selected component (if applicable):
vdsm-4.9-75.el6.x86_64

How reproducible:
100%

Steps to Reproduce:
1.run 49 vms with 29 network interfaces each and rhev-agent running on the guests.  

Actual results:


Expected results:


Additional info: