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Bug 1200374 - virt-who rebase
Summary: virt-who rebase
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: virt-who
Version: 7.2
Hardware: Unspecified
OS: Unspecified
unspecified
high
Target Milestone: rc
: ---
Assignee: Radek Novacek
QA Contact: Li Bin Liu
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2015-03-10 12:39 UTC by Radek Novacek
Modified: 2019-10-10 09:40 UTC (History)
8 users (show)

Fixed In Version: virt-who-0.14-1.el7
Doc Type: Rebase: Bug Fixes and Enhancements
Doc Text:
Rebase package(s) to version: 0.14 Highlights, important fixes, or notable enhancements: Rebased version of virt-who focuses on improving performance especially in large environments, better handling of errors and faults of various kinds. It also brings new features and bugfixes.
Clone Of:
Environment:
Last Closed: 2015-11-19 11:56:12 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2015:2370 0 normal SHIPPED_LIVE virt-who bug fix and enhancement update 2015-11-19 10:39:27 UTC

Description Radek Novacek 2015-03-10 12:39:07 UTC 
virt-who should be rebased to latest upstream version.

There are lots of improvements and optimizations in the upstream repository since version that is in RHEL-7.1. I would highly recommend doing a rebase here.

There's a more recent version in RHEL-6.7 that has quite a few improvements, I would be nice if customer can use them also in RHEL-7.
Comment 1 Radek Novacek 2015-06-23 13:36:11 UTC 
Virt-who is now rebased to 0.14 upstream version: virt-who-0.14-1.el7.
Comment 3 John Call 2015-07-21 19:06:13 UTC 
Radek,

I'm trying to read the source code and find the VMware optimizations that were made.  I'd like to see the query / queries being sent to vCenter.  Would you please tell me where to look?

Thanks,
John
Comment 4 Radek Novacek 2015-07-30 06:53:52 UTC 
John,

you can find all the code for handling VMWare in this file:

https://github.com/virt-who/virt-who/blob/master/virt/esx/esx.py

Optimizations in this version are basically three:

* Simplify the inventory traversal - not all the objects in the hierarchy needs to be obtained as we're only interested in host/guest association (see buildFullTraversal method in that file)

* Use WaitForUpdatesEx method instead of RetrievePropertiesEx to get only updated data not all of them. This also allows to listen for updates instead of polling.

* Do not download vim schema from ESX and have local (stripped down) copy instead.

Is this answer enough or do you need some more details?
Comment 5 Liushihui 2015-09-23 08:13:17 UTC 
Verified it on virt-who-0.14-8.el7.noarch since the package got rebase and there are no known regressions. Therefore, verify it.
Comment 6 errata-xmlrpc 2015-11-19 11:56:12 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2015-2370.html
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