[Building Sakai] Dashboard - dash_context table

[Jim Eng]

Hi Omer,

Comments inline below.

> I am wondering how the entries in dash_context table are added. We have a lot less sites which has Dashboard tool in it about 100 sites and dash_context table has more that 1400 entries.

We expect to deploy dashboard as the default landing page in MyWorkspace for every user, and the users expect to see relevant info for all sites they belong to.  So, dashboard watches sakai events for all sites, not just sites that have the dashboard tool.  Dashboard uses the dash_context table to keep track of the sites where the events occurred. A record is added to dash_context whenever an event is processed for a site that does not already have a record there.  Eventually there would be a record in dash_context for every active site. 

> 
> Does it add a site to dash_context table during the creation even if the site does not have Dashboard tool in it?
> 
> We are also seeing following message in log..
> 
> 2012-09-19 09:20:06,589  WARN Dashboard Event Processing Thread org.sakaiproject.dash.logic.DashboardLogicImpl - Failed attempt to     retrieve news events in context (!admin) for new user (xxxxx)

Are you seeing lots of these, or just a few at startup?  It may be something special about the "!admin" site that doesn't work in dashboard.

> 
> Also in Confluence documentation..
> 
> https://confluence.sakaiproject.org/display/DASH/Configuring+dashboard
> 
> There is a property_name PROP_DAYS_BETWEEN_HORIZ0N_UPDATES..

It would appear that there's a zero instead of 'O' in horizon in all the relevant places.  Maybe we can fix that at some point, but for now, the correct property name uses a zero at that point.  Sorry.


> 
> There is a 0 (zero) in HORIZON instead of an O, which is the correct property_name?


Thanks.

Jim
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