[DGD] callout implementation

Felix A. Croes felix at dworkin.nl
Thu Feb 23 18:04:46 CET 2012


On Wed, Feb 22, 2012 at 03:57:14PM -0800, Shentino wrote:
> On Wed, Feb 22, 2012 at 3:32 PM, Felix A. Croes <felix at dworkin.nl> wrote:
>[...]
> > The cyclic buffer <is> a queue.  Its purpose is to be a very efficient
> > queue.
> 
> I'm still not quite clear here...what distinguishes it from the "regular" queue?

It is an ordinary queue, optimized for this particular use.


> > Timediff is the number of seconds lost between the moment a snapshot
> > was made, and when the server restarted with that snapshot, accumulated
> > for all restarts.
> 
> So it's basically a downtime accumulator?

Let's call it a lost time accumulator.  If the server reboots after a
crash, it has not been down.

Regards,
Felix Croes



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