[Building Sakai] Sakai 2.9.x Kernel, Sessions, and WebDAV

[Niebel, William (wdn5e)]

I think you were a little fast on this change.  I had been asked to review.
Just to be clear, I'm not saying I disagree with what was done, since I haven't looked at it.
Bill

________________________________
From: sakai-dev-bounces at collab.sakaiproject.org [sakai-dev-bounces at collab.sakaiproject.org] on behalf of Sam Ottenhoff [ottenhoff at longsight.com]
Sent: Thursday, June 20, 2013 5:53 PM
To: Matthew Jones
Cc: production-request at collab.sakaiproject.org; Developers Sakai-Dev
Subject: Re: [Building Sakai] Sakai 2.9.x Kernel, Sessions, and WebDAV

KNL-1035 and KNL-1050 (minus logging statements) have been reverse merged from trunk and kernel 1.3.x.

KNL-1089 should now be considered resolved (incorporated).  Testing is always appreciated.

--Sam


On Thu, Jun 20, 2013 at 12:25 PM, Matthew Jones <matthew at longsight.com<mailto:matthew at longsight.com>> wrote:
In https://jira.sakaiproject.org/browse/KNL-1050 logs were added to the catches. These will be retained but the rest of KNL-1050 (that cuts the session) will not be.


On Thu, Jun 20, 2013 at 12:20 PM, Neal Caidin <nealcaidin at sakaifoundation.org<mailto:nealcaidin at sakaifoundation.org>> wrote:

Looping in the production list on this one. Please see below.

FYI - The motivation for this change is so we (the community) can figure out the root cause of this problem, instead of just addressing the symptoms.

Question for Sam - How will logging get added so that the root cause can be discovered?

Thanks,
Neal


On Thu, Jun 20, 2013 at 12:02 PM, Sam Ottenhoff <ottenhoff at longsight.com<mailto:ottenhoff at longsight.com>> wrote:
There is currently a bug with successive WebDAV sessions in Sakai 2.9.2 described here:

  https://jira.sakaiproject.org/browse/KNL-1089

We discussed the bug on this morning's CLE Team call and came to a general consensus that we would roll back several kernel commits that modified the way sessions behave in Sakai 2.9+.

The original work was done to limit the number of concurrent sessions by a user as some institutions had reported seeing thousands of sessions for some users.  That work was done here:

https://jira.sakaiproject.org/browse/KNL-1035

If you disagree with our intention to rollback this work in Sakai 2.9.x to resolve KNL-1089, please speak up.  If your institution has seen the symptoms described by KNL-1035, please speak up, add comments, and help us resolve that issue in a satisfactory way.  As discussed on this morning's call, we would still like to see a full solution to KNL-1035.

Thanks,
Sam

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--
Neal Caidin
Sakai CLE Community Coordinator
nealcaidin at sakaifoundation.org<mailto:nealcaidin at sakaifoundation.org>
skype: nealkdin



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