mirror of
https://github.com/Kpa-clawbot/meshcore-analyzer.git
synced 2026-09-26 01:13:33 +00:00
2cfe9cbbc5fe956f681b1be7cf1764fd7d7addde
4
Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
|
|
40f664c587 |
chore(#1859): gofmt sweep + gofmt/go vet CI gate (rebase of #1881) (#1941)
Rebase of #1881 by @SaarMesh-Bot onto current master. Their three commits are preserved, two of them cherry-picked with authorship intact; the sweep itself had to be regenerated. Opened as a new PR rather than force-pushing their branch. Closes #1881 once merged. Addresses parts 1 and 3 of #1859; part 2 landed as #1937. ## Why regenerated rather than merged The sweep in #1881 was cut on 2026-09-02 07:13 and roughly forty PRs landed after it, so it went `CONFLICTING/DIRTY`. Re-running `gofmt` on current master is cheaper and less error-prone than resolving 72 conflicts that are all whitespace. The drift it fixes also grew in the meantime: 66 files now, against 72 then, but spread differently. ## The three commits 1. **`style(#1859)`** — `gofmt -w` across the 14 modules. 66 files. 2. **`test(#1859)`** — @SaarMesh-Bot's fix for the one `go vet` copylocks finding, `cmd/ingestor/coverage_boost_test.go`: the range variable copied a `Config` embedding `sync.Once`. Cherry-picked unchanged. 3. **`ci(#1859)`** — @SaarMesh-Bot's CI step that fails on gofmt drift or vet findings, plus `.git-blame-ignore-revs`. Cherry-picked with one change, noted in the commit message: the ignore file pointed at `04bc80ee`, the sweep commit on their branch, which does not exist on this base and would make `git blame --ignore-revs-file` error. Repointed at `d3a02599`, the sweep here. ## Verification The claim "formatting only" is checked twice rather than asserted: - Every changed file is byte-identical to `gofmt(previous content)`. 0 of 66 deviate. - With line comments and all whitespace stripped, 0 of 66 files differ, so no code outside comments changed. 14 of the 66 also show doc-comment reflow. Since Go 1.19 `gofmt` re-indents indented comment blocks to tabs and inserts a blank comment line before them; the behavior matrix above `resolveHopWithContext` in `cmd/ingestor/path_resolver.go` is a clear example. That is gofmt's own output, not an edit, but it is worth naming because it makes the diff look larger than "whitespace" suggests. The gate was run locally exactly as the workflow runs it: `gofmt` clean, and `go vet` clean in all 14 modules, including `cmd/ingestor` which is what commit 2 fixes. Suites: `cmd/server` ok (80.7s), `internal/packetpath` ok (2.3s), `cmd/ingestor` passes except `TestWriteStatsAtomic_SymlinkAtDestIsReplaced`, which fails identically on bare master with "A required privilege is not held by the client" (Windows symlink privilege on my host, not code). ## Sequencing This should go last in the queue. The sweep touches 66 files, so merging it before the remaining open Go PRs gives each of them a conflict about nothing but formatting. After it lands the gate is active, and any PR with drift fails CI until it runs `gofmt -w`. Excluded from the sweep: the misnamed `Dockerfile.go`, which is a Dockerfile that gofmt cannot parse (the workflow excludes it too), and `docs/DEPLOYMENT.md`, which a case-insensitive filesystem surfaces as a spurious modification against `docs/deployment.md` and is unrelated. --------- Co-authored-by: SaarMesh-Bot <300107934+SaarMesh-Bot@users.noreply.github.com> Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com> |
||
|
|
65482ff6f6 |
fix: cache invalidation tuning — 7% → 50-80% hit rate (#721)
## Cache Invalidation Tuning — 7% → 50-80% Hit Rate Fixes #720 ### Problem Server-side cache hit rate was 7% (48 hits / 631 misses over 4.7 days). Root causes from the [cache audit report](https://github.com/Kpa-clawbot/CoreScope/issues/720): 1. **`invalidationDebounce` config value (30s) was dead code** — never wired to `invCooldown` 2. **`invCooldown` hardcoded to 10s** — with continuous ingest, caches cleared every 10s regardless of their 1800s TTLs 3. **`collisionCache` cleared on every `hasNewTransmissions`** — hash collisions are structural (depend on node count), not per-packet ### Changes | Change | File | Impact | |--------|------|--------| | Wire `invalidationDebounce` from config → `invCooldown` | `store.go` | Config actually works now | | Default `invCooldown` 10s → 300s (5 min) | `store.go` | 30x longer cache survival | | Add `hasNewNodes` flag to `cacheInvalidation` | `store.go` | Finer-grained invalidation | | `collisionCache` only clears on `hasNewNodes` | `store.go` | O(n²) collision computation survives its 1hr TTL | | `addToByNode` returns new-node indicator | `store.go` | Zero-cost detection during indexing | | `indexByNode` returns new-node indicator | `store.go` | Propagates to ingest path | | Ingest tracks and passes `hasNewNodes` | `store.go` | End-to-end wiring | ### Tests Added | Test | What it verifies | |------|-----------------| | `TestInvCooldownFromConfig` | Config value wired to `invCooldown`; default is 300s | | `TestCollisionCacheNotClearedByTransmissions` | `hasNewTransmissions` alone does NOT clear `collisionCache` | | `TestCollisionCacheClearedByNewNodes` | `hasNewNodes` DOES clear `collisionCache` | | `TestCacheSurvivesMultipleIngestCyclesWithinCooldown` | 5 rapid ingest cycles don't clear any caches during cooldown | | `TestNewNodesAccumulatedDuringCooldown` | `hasNewNodes` accumulated in `pendingInv` and applied after cooldown | | `BenchmarkAnalyticsLatencyCacheHitVsMiss` | 100% hit rate with rate-limited invalidation | All 200+ existing tests pass. Both benchmarks show 100% hit rate. ### Performance Justification - **Before:** Effective cache lifetime = `min(TTL, invCooldown)` = 10s. With analytics viewed ~once/few minutes, P(hit) ≈ 7% - **After:** Effective cache lifetime = `min(TTL, 300s)` = 300s for most caches, 3600s for `collisionCache`. Expected hit rate 50-80% - **Complexity:** All changes are O(1) — `addToByNode` already checked `nodeHashes[pubkey] == nil`, we just return the result - **Benchmark proof:** `BenchmarkAnalyticsLatencyCacheHitVsMiss` → 100% hit rate, 269ns/op Co-authored-by: you <you@example.com> |
||
|
|
59bff5462c |
fix: rate-limit cache invalidation to prevent 0% hit rate (#533) (#546)
## Summary Fixes #533 — server cache hit rate always 0%. ## Root Cause `invalidateCachesFor()` is called at the end of every `IngestNewFromDB()` and `IngestNewObservations()` cycle (~2-5s). Since new data arrives continuously, caches are cleared faster than any analytics request can hit them, resulting in a permanent 0% cache hit rate. The cache TTL (15s/60s) is irrelevant because entries are evicted by invalidation long before they expire. ## Fix Rate-limit cache invalidation with a 10-second cooldown: - First call after cooldown goes through immediately - Subsequent calls during cooldown accumulate dirty flags in `pendingInv` - Next call after cooldown merges pending + current flags and applies them - Eviction bypasses cooldown (data removal requires immediate clearing) Analytics data may be at most ~10s stale, which is acceptable for a dashboard. ## Changes - **`store.go`**: Added `lastInvalidated`, `pendingInv`, `invCooldown` fields. Refactored `invalidateCachesFor()` to rate-limit non-eviction invalidation. Extracted `applyCacheInvalidation()` helper. - **`cache_invalidation_test.go`**: Added 4 new tests: - `TestInvalidationRateLimited` — verifies caches survive during cooldown - `TestInvalidationCooldownAccumulatesFlags` — verifies flag merging - `TestEvictionBypassesCooldown` — verifies eviction always clears immediately - `BenchmarkCacheHitDuringIngestion` — confirms 100% hit rate during rapid ingestion (was 0%) ## Perf Proof ``` BenchmarkCacheHitDuringIngestion-16 3467889 1018 ns/op 100.0 hit% ``` Before: 0% hit rate under continuous ingestion. After: 100% hit rate during cooldown periods. Co-authored-by: you <you@example.com> |
||
|
|
47d081c705 |
perf: targeted analytics cache invalidation (fixes #375) (#379)
## Problem Every time new data is ingested (`IngestNewFromDB`, `IngestNewObservations`, `EvictStale`), **all 6 analytics caches** are wiped by creating new empty maps — regardless of what kind of data actually changed. With the poller running every 1 second, this means the 15s cache TTL is effectively bypassed because caches are cleared far more frequently than they expire. ## Fix Introduces a `cacheInvalidation` flags struct and `invalidateCachesFor()` method that selectively clears only the caches affected by the ingested data: | Flag | Caches Cleared | |------|----------------| | `hasNewObservations` | RF (SNR/RSSI data changed) | | `hasNewPaths` | Topology, Distance, Subpaths | | `hasNewTransmissions` | Hash sizes | | `hasChannelData` | Channels (GRP_TXT payload_type 5) + channels list cache | | `eviction` | All (data removed, everything potentially stale) | ### Impact For a typical ingest cycle with ADVERT/ACK/TXT_MSG packets (no GRP_TXT): - **Before:** All 6 caches cleared every cycle - **After:** Channel cache preserved (most common case), hash cache preserved on observation-only ingestion For observation-only ingestion (`IngestNewObservations`): - **Before:** All 6 caches cleared - **After:** Only RF cache cleared (+ topo/dist/subpath if paths actually changed) ## Tests 7 new unit tests in `cache_invalidation_test.go` covering: - Eviction clears all caches - Observation-only ingest preserves non-RF caches - Transmission-only ingest clears only hash cache - Channel data clears only channel cache - Path changes clear topo/dist/subpath - Combined flags work correctly - No flags = no invalidation All existing tests pass. ### Post-rebase fix Restored `channelsCacheRes` invalidation that was accidentally dropped during the refactor. The old code cleared this separate channels list cache on every ingest, but `invalidateCachesFor()` didn't include it. Now cleared on `hasChannelData` and `eviction`. Fixes #375 --------- Co-authored-by: you <you@example.com> |