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ライブラリ: https://www.npmjs.com/package//ioredis
参考記事
- Amazon ElastiCache for Redis でリアルタイムゲームリーダーボードを構築する | Amazon Web Services ブログ
- RedisのSorted Setを利用した同点順位のランキング作成 - Qiita
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player_id と competition_id の組み合わせに対して score を計算すれば良さそう
row_num というカラムの使用がわからない
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CSV は 01G8MSGEZ70DPW840C6KBZRWJR,117
的な感じで player_id と score がカンマ区切りで保存されているファイル
row_num はアプリ側で採番されている値
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sudo apt install redis-server
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
redis-server is already the newest version (5:6.0.16-1ubuntu1).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
入ってた
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