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sidekiqのキューが処理されずCPU負荷が上がって困っている人へ

Posted at

現象

  • CPU使用率が100%近くで張り付いてしまう
  • sidekiqのキューが処理されない
Compute_Engine_-_mixture_-_Google_Cloud_Platform.png Sidekiq.png

原因

redis3系で運用しているシステムでsidekiqのバージョンを> 5.2.7から< 6.0に上げた為。
> 5.2.7まではredis2.8(3.0.3)以上であれば使えていたけど、< 6.0からは4以上が必須に。
(※筆者はmastodonv3.1.3にアップデートしたタイミングで発生)

解決策

redisのバージョンを4以上に上げてください

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