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Fix metrics correctness, redesign stats page

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- Replace stale snapshot read (GetCurrentMetrics) with live query
  (GetLiveMetrics) against sandboxes table — always returns correct
  zeros when no capsules are running
- Fix CPU reserved formula: running + starting only; paused VMs no
  longer contribute vCPUs (RAM reservation for paused unchanged)
- Merge top cards into 3 paired Now/Peak cards with colored accent
  borders (green/blue/amber matching chart colors)
- Move Live badge from Running Capsules card to page-level header
- Add colored category dots to card and chart headers
- Charts stacked vertically, flex-1 to fill remaining page height
- vCPUs chart color changed to blue (#5a9fd4), RAM stays amber
This commit is contained in:
Rafeed M. Bhuiyan
2026-03-25 15:11:46 +06:00
parent fee66bda50
commit 47b0ed5b52
5 changed files with 185 additions and 167 deletions
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23
db/queries/metrics.sql
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@ -2,12 +2,17 @@
INSERT INTO sandbox_metrics_snapshots (team_id, running_count, vcpus_reserved, memory_mb_reserved)
VALUES ($1, $2, $3, $4);
-- name: GetCurrentMetrics :one
SELECT running_count, vcpus_reserved, memory_mb_reserved, sampled_at
FROM sandbox_metrics_snapshots
WHERE team_id = $1
ORDER BY sampled_at DESC
LIMIT 1;
-- name: GetLiveMetrics :one
-- Reads directly from sandboxes for accurate real-time current values.
-- CPU reserved = running + starting only (paused VMs release CPU).
-- RAM reserved = running + starting + ceil(paused/2) (capacity held for resume).
SELECT
(COUNT(*) FILTER (WHERE status IN ('running', 'starting')))::INTEGER AS running_count,
(COALESCE(SUM(vcpus) FILTER (WHERE status IN ('running', 'starting')), 0))::INTEGER AS vcpus_reserved,
(COALESCE(SUM(memory_mb) FILTER (WHERE status IN ('running', 'starting')), 0)
+ CEIL(COALESCE(SUM(memory_mb) FILTER (WHERE status = 'paused'), 0)::NUMERIC / 2))::INTEGER AS memory_mb_reserved
FROM sandboxes
WHERE team_id = $1;
-- name: GetPeakMetrics :one
SELECT
@ -24,12 +29,12 @@ WHERE sampled_at < NOW() - INTERVAL '60 days';
-- name: SampleSandboxMetrics :many
-- Aggregates per-team resource usage from the live sandboxes table.
-- paused sandboxes count at 50% (ceil) for capacity reservation.
-- CPU reserved = running + starting only (paused VMs release CPU).
-- RAM reserved = running + starting + ceil(paused/2) (capacity held for resume).
SELECT
team_id,
(COUNT(*) FILTER (WHERE status IN ('running', 'starting')))::INTEGER AS running_count,
(COALESCE(SUM(vcpus) FILTER (WHERE status IN ('running', 'starting')), 0)
+ CEIL(COALESCE(SUM(vcpus) FILTER (WHERE status = 'paused'), 0)::NUMERIC / 2))::INTEGER AS vcpus_reserved,
(COALESCE(SUM(vcpus) FILTER (WHERE status IN ('running', 'starting')), 0))::INTEGER AS vcpus_reserved,
(COALESCE(SUM(memory_mb) FILTER (WHERE status IN ('running', 'starting')), 0)
+ CEIL(COALESCE(SUM(memory_mb) FILTER (WHERE status = 'paused'), 0)::NUMERIC / 2))::INTEGER AS memory_mb_reserved
FROM sandboxes