[LON-CAPA-admin] caching of id -> failed

[Guy Albertelli II]

Hi Hon-Kie,

> > The lonnet.log file seems to be filled with the caching of id failed 
> > message - it is about 300 MB in size. There are also a lot of
> 
> Is it still confined to this one user?

Also is it confined to one server?

Is memcached running on that server?

> 
> (I have tried recreating this here and haven't been able to.)
> 
> > 
> > Userfile repcopy failed for 
> > uploaded/fsu/54412611fd3c9469bfsul1/default_1155048274.sequence.meta
> > messages. (As you mentioned before, this is not a real error message.)
> > 
> > Is all this writing to disk affecting the server performance. If so, 
> > is there some way to turn them off?
> 
> No this is unlikely to be affecting server performance in an really
> noticable scope.
> 
> However, the inability to cache the data is likely to affect
> performance in a noticable way.
> 
> > 
> > Thanks,
> > -hk
> > 
> > > >
> > > > Wed Aug 22 12:22:25 2007 (18437): caching of id ->
> > > > userres%3afsu%3amdr04c  failed
> > >
> > >I added this warning message to notify if the internal memcached
> > >caching mechanism failed to cache the requested data. (Back when were
> > >getting failures because of large amounts of data.) I'm not sure why
> > >you are seeing the caching of this data fail (the data is the
> > >resource parameters that are associated to the amdr04c:fsu user)
> > >
> > >Hrrm, taking a look it appears that it may be related to the fact that
> > >there is no amdr04c:fsu user?
> > 
> > Checking the entries on lonnet, it should be mdr04c. He was accessing
> > However, the last time this person logged in was in December.
> > 
> > 
> > >Any guesses as to what course might be causing it to look for this user?
> > 
> > It looks like he is accessing
> > Wed Aug 22, 2007 12:37:34 - 1187800654: fsul1:Role
> > in./fsu/414744126dac946cdfsul1
> > 
> > It is a chemistry lab course for this coming fall. The time stamps on
> > the id -> failed starts a second later.
> > 
> > Thanks,
> > -hk
> > 
> > 
> > At 03:08 PM 9/4/2007, you wrote:
> > 
> > 
> > >>3. It is not clear that institutional directory means the 
> > >>directory/database kept by the university/institution separate from 
> > >>lon-capa such as directories available on a university homepage. On 
> > >>the same theme, the "selected domain" could possibly be thought of 
> > >>as the institutional directory.
> > >
> > >
> > >A suggestion. It doesn't seem necessary to distinguish between the 
> > >users on loncapa and the institutional directory. When a user wants 
> > >to find another user, the user really doesn't care it comes from. I 
> > >suggest that when a search is requested, both data bases (if the 
> > >institutional directory is enabled) be search. If there is a 
> > >conflict, then the existing user takes precedence. I don't expect to 
> > >see any conflicts but who knows.
> > >
> > >-hk
> > >
> > >_______________________________________________
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> > >LON-CAPA-admin at mail.lon-capa.org
> > >http://mail.lon-capa.org/mailman/listinfo/lon-capa-admin
> 
> -- 
> guy at albertelli.com   0-7-0-9-27,137
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-- 
guy at albertelli.com   0-7-0-9-27,137