feat: pg_stat_io screen (hotkey j/J) — count + time sub-screens (#006)#141
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Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…e, add column priority, menu binding, width estimate Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Also sync user-spec: io_key is a visible md5 column (column hiding not supported by align). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…ols by priority, consts in io.go, tighten align rationale Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…c naming Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…-18 constants) Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…res) Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…view reports Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…views Adding stat_io + stat_io_time (both NotRecordable) raises filterViews' dropped count by 2 on every version; wantV unchanged. Missed in the sandbox where the record package also fails on connection-refused, masking this pure-unit assertion. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…ech debt, metrics, archive Update overview/architecture/patterns; add features-catalog + 3 ADRs + tech-debt [007]; spec reconciliation (io_key visible); metrics summary to docs/metrics/; archive feature dir. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Feature 006: pg_stat_io screen (flagship of 0.11.0)
New TUI screen for
pg_stat_io(PostgreSQL 16+) inpgcenter top— unified IO breakdown bybackend_type × object × context, shown as per-interval rates.What's new
pg_stat_statements):j— count screen (operations + KiB throughput); repeatjtoggles to timings.J— 2-item menu (pg_stat_io operations/pg_stat_io timings).op_bytes) vs PG 18 (nativeread_bytes/write_bytes/extend_bytes+object='wal'rows).io_keyfor cross-sample row matching (single-columnUniqueKey, likestatements_io).coalesce(...,0)on every diffed column (NULL-abort safety, ADR [005]); KiB via integer/1024.NotRecordable: true— record/report is a separate 0.11.0 feature.MinRequiredVersion = PostgresV16).Files
internal/query/io.go(+query.goconstantsPostgresV15–18),internal/view/view.go(views
stat_io/stat_io_time),top/{keybindings,menu,config_view,help}.go. +426/−4.Testing
menuStatIOitem count,statioNextViewtoggle,switchViewTowiring.*_bytes+object='wal'.make build✅ ·make lint✅ (0 findings) · feature-package tests ✅.Verification notes
object='wal'+ native bytes — gated by the CI PG18 job (not reproducible in the dev sandbox).Planning artifacts (user-spec → tech-spec → tasks → decisions → QA report) under
docs/features/006-feat-pg-stat-io/.🤖 Generated with Claude Code