5ms Views with Stable Leader

[patrick-ogrady]

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[cloudflare-workers-and-pages]

Deploying alto with    Cloudflare Pages

Latest commit:	6b385e3
Status:	✅  Deploy successful!
Preview URL:	https://4f30a107.alto-8k4.pages.dev
Branch Preview URL:	https://built-in-explorer.alto-8k4.pages.dev

View logs

[cursor]

Prunable archives retain unbounded memory

High Severity

Finalized history now uses prunable::Archive while the engine never asks Marshal to prune it. Prunable archives keep an in-memory index of every key, unlike the previous immutable freezer layout and unlike the follower, which uses immutable storage when pruning is disabled. Over the advertised multi-month retention window, validator RAM and restart replay cost grow without bound and can take the process down.

Additional Locations (1)

• deploy/README.md#L128-L131

 

^{Reviewed by Cursor Bugbot for commit 135a332. Configure here.}

[cursor]

Cursor Bugbot has reviewed your changes using high effort and found 1 potential issue.

There are 2 total unresolved issues (including 1 from previous review).

^{❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.}

^{Reviewed by Cursor Bugbot for commit c9515ee. Configure here.}

[codecov-commenter]

Codecov Report

❌ Patch coverage is 59.35357% with 415 lines in your changes missing coverage. Please review.
✅ Project coverage is 68.86%. Comparing base (304b823) to head (6b385e3).

Files with missing lines	Patch %	Lines
deploy/src/main.rs	56.80%	108 Missing ⚠️
indexer/src/main.rs	36.80%	91 Missing ⚠️
follower/src/main.rs	0.00%	55 Missing ⚠️
validator/src/main.rs	33.33%	50 Missing ⚠️
types/src/consensus.rs	73.57%	37 Missing ⚠️
inspector/src/main.rs	0.00%	30 Missing ⚠️
types/src/wasm.rs	0.00%	24 Missing ⚠️
follower/src/resolver.rs	64.28%	5 Missing ⚠️
chain/src/lib.rs	90.69%	4 Missing ⚠️
chain/src/indexer/mod.rs	50.00%	2 Missing ⚠️
... and 5 more

@@                Coverage Diff                @@
##           bc/optimistic     #202      +/-   ##
=================================================
- Coverage          69.70%   68.86%   -0.84%     
=================================================
  Files                 30       31       +1     
  Lines               6162     6709     +547     
=================================================
+ Hits                4295     4620     +325     
- Misses              1867     2089     +222     

Files with missing lines	Coverage Δ
chain/src/application.rs	98.11% <100.00%> (+<0.01%)	⬆️
chain/src/engine.rs	98.88% <100.00%> (-0.27%)	⬇️
chain/src/indexer/backfiller/consumer.rs	87.87% <100.00%> (+3.03%)	⬆️
chain/src/indexer/mocks.rs	91.76% <100.00%> (-4.71%)	⬇️
client/src/lib.rs	94.68% <100.00%> (+0.93%)	⬆️
client/src/utils.rs	93.33% <ø> (ø)
follower/src/application.rs	58.44% <100.00%> (ø)
follower/src/engine.rs	97.70% <100.00%> (-0.07%)	⬇️
follower/src/feeder.rs	77.08% <100.00%> (ø)
indexer/src/lib.rs	96.09% <100.00%> (+0.33%)	⬆️
... and 17 more

... and 1 file with indirect coverage changes

---

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