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Jordi EnricandClaude Opus 4.7
420d4d0b5a
## Problem When users hit a disk IO exhaustion notification, they open the Database Observability report and find IOPS and throughput charts, but no view of the metric that actually fired the warning: the EBS burst credit balance. That signal is currently only available behind Custom Reports, so the warning feels disconnected from the visible data. > "The Dashboard actually shows them their burst budget, not their normal disk usage. It leads to a lot of confusion." — support > "Customers may receive an 'exhausting multiple resources' warning and it's confusing because all the charts are 'fine', but it's the burst credits exhaustion that fails them." — Maksym Reported in [Linear DEBUG-60](https://linear.app/supabase/issue/DEBUG-60). ## Fix Add a clearly-labeled "Disk IO Burst Balance" chart to [getReportAttributesV2](apps/studio/data/reports/database-charts.ts) plotting `disk_io_budget` (% remaining) on a 0-100 axis. Tooltip and titleTooltip explain the 5 MB/s throttle floor so users can correlate this chart with the exhaustion banner copy (also being updated in [supabase#45514](https://github.com/supabase/supabase/pull/45514)). The chart is hidden for compute variants that have dedicated I/O resources (4XL and above) since the burst credit pool does not apply there. Burstable variants (nano through 2XL) see the chart inline next to the existing IOPS and throughput charts. DEBUG-61 ("replace Disk IO Usage % chart with disk throughput") was already addressed in the V2 migration (the report only renders `disk-iops` and `disk-throughput`; the old burst-percentage chart is gone). I'll close that issue as completed once this lands. ## Test plan - [ ] Visit `/project/{ref}/observability/database` on a project running `nano`/`micro`/`small`/`medium`/`large`/`xlarge`/`2xlarge` compute. Confirm the new "Disk IO Burst Balance" chart appears between throughput and connections. - [ ] On a project running `4xlarge` or larger compute, confirm the chart is hidden (chart is omitted by `hide: !hasBurstableIO`). - [ ] Hover the chart and a data point. Confirm the title tooltip and inline attribute tooltip both surface the 5 MB/s throttle behaviour. - [ ] Series renders 0-100 on the Y-axis. 🤖 Generated with [Claude Code](https://claude.com/claude-code) <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **New Features** * Added a Disk IO Burst Balance chart to monitor remaining burst credits; displays percentage (0–100%) with tooltip referencing baseline throughput. Shown only for supported compute variants and when the feature flag is enabled. * **Bug Fixes / UI Improvements** * Improved chart header tooltip presentation: uses a unified tooltip, includes inline docs links when available, and avoids duplicate docs icons. [](https://app.coderabbit.ai/change-stack/supabase/supabase/pull/45516) <!-- end of auto-generated comment: release notes by coderabbit.ai --> --------- Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
