You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session. Dismiss alert
Node.js Cluster+Socket.IO+Redisã«ãããªã¢ã«ã¿ã¤ã éç¥ã·ã¹ãã | ãµã¤ãã¼ã¨ã¼ã¸ã§ã³ã å ¬å¼ã¨ã³ã¸ãã¢ããã°
JSX Advent Calendar ã®ã²ã¨ã¤ã§ãã JSX ã³ã³ãã¤ã©ã®çæãã Javascript ã³ã¼ãã¯ãç人ã®å¡æºã«ããæé©åããã¦ããéãã ãããããã£ããã«ã¢ããªãéãããããã«ã¯ããã®åã«ãããã¨ãããã ã³ã³ãã¤ã©ã®æé©åã¯ãã³ã¼ãã®è¡¨é¢ãåããããã¯ç´ãããã®ãããªãã®ã ãç¾ããæ¨ã®ãã¼ãã«ã«æå¾ã®è¡¨é¢ä»ä¸ããããããã«ã ããããã¾ãã¯ãã¼ãã«ããã¡ãã¨çµã¿ä¸ããªãã¨ãããªãã足ã®é·ããéã£ã¦ããããã®ãããã§ã®ã³ã®ã³åããã¨ã«ãªããããã«ã¯ç´ãããã ã¨æ¥ãæ®ããã ã³ã¼ãã®æå³ãåå³ããæ§é çãªæ¹é©ã O(n^2) -> O(n) ã«ã§ããªããã¨ã¢ã«ã´ãªãºã ãèãç´ãããããããã¨ãã¾ãä¸éãããå°½ãããã¨ãã®ãããã§ããããã ã¨ã¯ãããéããã¹ãç®æãããããªãã¨ãªãã¨ãèãããããªããã©ãã磨ãã¨ãã¡ã°ããããã«ãªãã®ã? ããã§ãããã¡ã¤ã©ã®åºçªã«ãªã
Node ã«ãããã¹ã±ã¼ã«ã¢ã¼ããã¯ãã£èå¯(Scale ç·¨)ã¨ããã¨ã³ããªã¼ãèªãã§ãRedisã¯Pub/Subåéä¿¡ããµãã¼ããã¦ããã¨ããäºãç¥ãã¾ãããã¨ã³ããªã¼ã§ãè¨åããã¦ããããã«ãPub/Subã使ãã° Node.js + WebSocket ãµã¼ããã¹ã±ã¼ã«ããéã«ãä¸ç¶ãµã¼ãã®å½¹å²ãæããäºãåºæ¥ãã¯ãã§ãã ãããªè¨³ã§å®éã« Node.js 㨠Redis ã使ã£ã¦ Pub/Sub ã®å®é¨ãè¡ãªã£ã¦ã¿ã¾ãããã¦ã¼ã¶ãå¥ã ã®Node.jsãµã¼ãã«æ¥ç¶ãã¦ãã¦ãWebSocketãéãã¦ã¡ãã»ã¼ã¸ã®ããåããåºæ¥ãããã«ãã¾ãã ã¤ã¡ã¼ã¸ã¨ãã¦ã¯ãããªæãã§ãã ä¸æºå# Ubuntuã®å ´å㯠apt-get ã§1çºã§ã¤ã³ã¹ãã¼ã«ããäºãåºæ¥ã¾ãã $ sudo apt-get install redis npmã§redisã¢ã¸ã¥ã¼ã«ãã¤ã³ã¹ãã¼ã«ãã¾ãã $ npm i
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}