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isucon10q's Issues

問題読み会場

リモートワークの普及によって、自宅のイスが生産性に直結することがわかった。 その調査結果を受けて、よりよい座環境を求め郊外に住むことを考えるユーザーが増加。 また、注目度が増したことで bot からもアクセスが急増し、機会損失が発生している。 結果として ISUUMO にアクセスが集中し、負荷に耐えられないことが目立ってきた。

なぞって検索のN+1対応

#6 (comment)

  • バウンディングボックスで検索 → ST_Contains で N+1 はむだ
  • バウンディングボックスで検索 → WHERE IN でトータルクエリ2発にできるはず

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