[pbs-devel] [PATCH proxmox-backup 1/2] api2/status: fix estimation bug
Thomas Lamprecht
t.lamprecht at proxmox.com
Mon Jul 20 11:36:39 CEST 2020
On 17.07.20 15:39, Dominik Csapak wrote:
> when a datastore has enough data to calculate the estimated full date,
> but always has exactly the same usage, the factor b of the regression
> is '0'
>
> return 0 for that case so that the gui can show 'never' instead of
> 'not enough data'
>
> Signed-off-by: Dominik Csapak <d.csapak at proxmox.com>
> ---
> src/api2/status.rs | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/src/api2/status.rs b/src/api2/status.rs
> index 34e0505..4f98543 100644
> --- a/src/api2/status.rs
> +++ b/src/api2/status.rs
> @@ -161,6 +161,8 @@ fn datastore_status(
> if b != 0.0 {
> let estimate = (1.0 - a) / b;
> entry["estimated-full-date"] = Value::from(estimate.floor() as u64);
> + } else {
> + entry["estimated-full-date"] = Value::from(0);
> }
> }
> }
>
nit and asking mostly out of interest, but wouldn't it be more "idomatic rust" if this
was written like:
entry["estimated-full-date"] = if b != 0.0 {
let estimate = (1.0 - a) / b;
Value::from(estimate.floor() as u64)
} else {
Value::from(0)
}
anyway, looks OK to me from a quick look.
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