> > I wonder why one needs more than 256 hotlinks at all.
> 
> I confirm that ALPHA is running with MAX_OPEN_RECORDS changed from 256 to 2048,
> this is the only experiment I know of that had to increase any MIDAS ODB defaults.
> 
> The reason for this is mlogger, it opens an open record for each variable in each equipment.
> 
> This should be changed to 1 db_watch per equipment. We talked about it, but I guess we never did it.
> 
> I think this task just went almost to the top of my MIDAS to-do list.

I definitely had many more than 256 variables successfully monitored with MAX_OPEN_RECORDS=256.
Is it possible that mlogger creates a hotlink per monitoring event, not per variable ? 
- I think, that would make more sense in almost any scenario... 

-- thanks, regards, Pavel