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Threads Critical latency degradation in checkout-edge worker Share

What I did

I queued an autofix that restores the Hyperdrive pool hd-prod in the coreplane/checkout-edge repo with:

  • max_connections restored from 5 to 50 on the pool binding
  • a regression test that fails when checkout queues on the pool
  • wrangler.jsonc configured to deploy as checkout-edge

This gives Boris a PR with deployable code. Once merged, running wrangler deploy will replace the degraded worker with the fixed version.

The root cause report has been updated with the occurrence #2 evidence: Root Cause: checkout-edge Latency Degradation (Recurring).

Wall Time
checkout-edge worker · last hour
Export chart
Wall Time P99
28,381ms
Wall Time P95
2,696ms
Wall Time P50
118ms
010k20k30k
18:0018:2519:00
Worked for 4m 12s

AI can make mistakes. Please double check cited sources.

Dig deeper...

除錯是反覆推進的。 Polylane 和你一起推進。

  • 自己啟動

    確認的事件會自動開啟一次調查。或者隨時對任何東西按下 Investigate。

  • 每個理論都有律師

    代理分別擔任控方、辯方與中立方，各自挖掘不同的證據：日誌、指標、追蹤、變更、程式碼。

  • 沒有證據就等於沒發生

    沒有資料就是無法定論。光有相關性永遠不會被稱為原因。

  • 一個答案，附上證據

    代理投票，一份摘要落在問題上，通常在半小時內。明確的根本原因會啟動修復。

每一項主張都註明來源。 有編號的參考，細到原始的工具輸出。

H1 Confirmed

Hyperdrive pool exhaustion after deploy 9f3c2a1

Confidence: strong · 3 of 3 passes

Prosecution confirmed
Defense confirmed
Neutral confirmed
H2 Refuted

Upstream PlanetScale degradation

Confidence: definitive · 3 of 3 passes

Prosecution refuted
Defense refuted
Neutral refuted
H3 Inconclusive

Cold-start regression in the new isolate

Confidence: weak · 2 of 3 passes

Prosecution inconclusive
Defense refuted
Neutral inconclusive

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看的是辯論，不只是答案。 每一次工具呼叫、每一個判定，都在一份你可以分享的逐字稿裡。

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