perfSONAR User Q&A and Other Discussion

[Philippe Laurens <>]

Hi,

> - To update an RC1 host you should not need to take any action. Auto-updates 
> should be on and you should already have the release. You may run “yum 
> update” if you disabled auto-updates for any reason.

If the RC1 to RC2 transition happens via auto-update,
is a reboot recommended afterwards?

The MSU testbed psmsu05 and psmsu06.aglt2.org were auto-updated
on Sept 1st.  Two days later we noticed extensive memory usage
on our OMD monitoring :

> psmsu05 (testbed for latency)
>   WARN  Memory used
>   6.79 GB used (3.51 RAM + 3.22 SWAP + 0.05 Pagetables, this is 181.6% of 
> 3.74 RAM (3.94 total SWAP)), warning at 150.0% used, 0.0 mapped, 7.2 
> committed, 0.0 shared
>
> psmsu06 (testbed for bandwidth)
>   WARN  Memory used
>   5.89 GB used (3.57 RAM + 2.28 SWAP + 0.04 Pagetables, this is 157.5% of 
> 3.74 RAM (3.94 total SWAP)), warning at 150.0% used, 0.0 mapped, 9.3 
> committed, 0.0 shared

Rebooting helped that crisis but there still seems
to be something about RC2 and memory usage,
cf. attached OMD graphs.

Thanks,

Philippe


On 02-Sep-2015 11:04 AM, Andrew Lake wrote:
> perfSONAR community,
>
> The second release candidate of the next major revision of perfSONAR is
> now available for beta testing. *Do NOT install this release on your
> production hosts as it is not a final release and is intended for
> testing purposes only.* We expect a final release in about a month, and
> this will hopefully by the last release candidate before then (subject
> to change based on your testing results of course).
>
> For a complete list of features and changes in this release candidate,
> see http://www.perfsonar.net/release-notes/version-3-5-rc2
> <http://www.perfsonar.net/release-notes/version-3-5-rc2>. A few
> highlights of changes from RC1 are:
>
> - *Further web interface enhancements: *The new web interface is now the
> main interface found at the /toolkit URL of your web browser. The
> administrative interface has been converted to the new layout and
> contains a number of UI enhancements.
> - *New Puppet Module: *A new Puppet module has been added to support
> larger deployments of hosts. Documentation for this module starts here:
> http://docs.perfsonar.net/3.5rc2/multi_puppet_overview.html
> <http://docs.perfsonar.net/3.5rc2/multi_puppet_overview.html>
> *- Bug fixes, bug fixes, and more bug fixes:* Numerous bug fixes related
> to multi-homing, lookup service registration, central management and
> more have been added based on feedback from the first release candidate.
> If you reported one, please verify it’s fixed and let us know if you
> find any new ones!
>
> Those are just some of the changes, see the release notes (again at
> http://www.perfsonar.net/release-notes/version-3-5-rc2
> <http://www.perfsonar.net/release-notes/version-3-5-rc2>) for further
> information. The full release notes also contain a link to the previous
> RC1 release notes that highlight changes since 3.4.2 if you would like
> to review those as well.
>
> To install the current release candidate do one of the following:
> - You may install a completely new Toolkit node by downloading and
> installing one of the ISO images here:
> http://downloads.perfsonar.net/toolkit/release_candidates/3.5rc2/
> <http://downloads.perfsonar.net/toolkit/release_candidates/3.5rc2/>:
>   - To update an existing 3.4.X system run the following:
>      yum install Internet2-repo-staging
>      yum clean all
>      yum update
> - To update an RC1 host you should not need to take any action.
> Auto-updates should be on and you should already have the release. You
> may run “yum update” if you disabled auto-updates for any reason.
>
> In order to help direct your testing, you may find a checklist for
> Toolkit install here
> https://github.com/perfsonar/project/wiki/Toolkit-Testing-Checklist
> <https://github.com/perfsonar/project/wiki/Toolkit-Testing-Checklist>.
> For documentation on this release candidate
> see http://docs.perfsonar.net/3.5rc2/.
>
> As always if you have any questions please contact our user mailing
> list. We appreciate you help in testing this release and look forward to
> your feedback.
>
> Thank you,
> The perfSONAR Team

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