Incorrect inflight metrics

[benjamreis]

Hello!

A user on our forum reported that the inflight metrics returned by XAPI were incorrect, and it appears
the metrics is being accumulated instead of simply updated with the new value according to @psafont.

What should we do to fix this behavior?

Thanks!

[psafont]

The solution would be to stop adding current values with the previous ones for gauges in the accumulate function linked in the forum.

You can see which values are used for gauges in the ds_make function: https://github.com/xapi-project/xen-api/blob/master/ocaml/xcp-rrdd/bin/rrdp-iostat/rrdp_iostat.ml#L783