tests: add load tests to the cache ingestion and simulation loop#236
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tests: add load tests to the cache ingestion and simulation loop#236
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The 50k test won't pass so this PR shouldn't be merged until the simulation deadlock issue is resolved. |
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I thought the deadlock issue would solve the 50k test, but it still fails, but not sure what the root cause is yet. |
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Update: It wasn't a deadlock, it was a very long running test from a runtime blow up. The blow up was caused by a priority fee collision at insertion time. After assigning different priority fees, tests pass. |
Fraser999
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Mar 11, 2026
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This seems worth looking into? |
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[Claude Code] Linking to Linear: ENG-1950 — Load test the builder simulation loop |
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- every bundle had the same effective fee score, so cache insertion hit heavy rank collision
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Fraser999
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Apr 8, 2026
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tests: add load tests to the cache ingestion and simulation loop
Per discussions with @Fraser999 I load tested the builder simulation loop and was able to reproduce the same error they saw - the build function deadlocks over some limit of bundles, which also prevents the simulation deadline from being respected.
The screenshot shows the test running and taking over 60 seconds, but with the deadline configured for 12 seconds, which should terminate the build loop and return a block with
tx_count > 0.