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fix(instances): the new-VM dialog shows each host's current CPU load

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The CPU bar showed the average since the host booted, read for every
compute on every load of the VM list. The dialog now reads each compute's
graph endpoint (load over one second) when it opens, two computes at a
time so the reads hold at most two workers, and ignores answers of an
earlier opening. A host that cannot be read shows a dash. The since-boot
reading had no other caller and is removed.
This commit is contained in:
catborise 2026-10-10 16:34:13 +03:00
parent c1d2e9610d
commit a57290cdf2
11 changed files with 170 additions and 24 deletions
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@ -536,6 +536,7 @@ A rollback leaves the clone on a detached HEAD at the restored commit; the updat
- A disk can be grown while its VM runs or is paused, not only when it is shut off.
- Enabling vCPU hot plug keeps the VM's current vCPU count (it enabled all of them up to the maximum).
- A host's CPU graph shows the average since its previous point (normally 5 s) instead of a 1 s sample taken while a worker waits.
- The CPU usage in the new-VM dialog is the current load (over 1 s), read when the dialog opens; it was the average since the host booted.
- A VM's stats are polled every 5 s like the host graph, the first point as soon as the tab opens; each point is the average since the previous one, disk rates in MB/s (they were MiB/s labelled Mb/s); a counter the host does not report shows a gap instead of 0.
- An ISO uploads to an SSH compute about 3.5 times faster (SFTP writes no longer wait for each 32 KiB); a failed write still fails the upload.
- The VM page shows each NIC's own QoS and each CD-ROM's own pool (they showed the previous device's), and a NIC without a source or model no longer breaks it.