[pve-devel] [PATCH 1/2] add diskread, diskwrite, netin, netout to ResourceStore grid stats

[Dietmar Maurer]

> Subject: Re: [pve-devel] [PATCH 1/2] add diskread, diskwrite, netin, netout to
> ResourceStore grid stats
> 
> There are 2 problems with that patch:
> 
> 1.) It may be a time consuming task to get those values (monitor command
> which can hang)

Answering myself:  this is not a problem, because we read the cached data directly from RAM (PVE::Cluster::rrd_dump()).

> 2.) The resource grid has incredible bad performance, so we need to
> minimize the data transferred. (Note: that need to work for >1500 VMs)
> 
> My plan was to optimize the resource grid first, but that is much work.

The question is if we really have users running that many VMs - maybe it does not harm if we add a few bytes - need to do more test on that.

- Dietmar