用 Python redis 实现一个简单的搜索功能,请教一下大家 - V2EX
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mili8908

用 Python redis 实现一个简单的搜索功能,请教一下大家

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  •   mili8908 May 9, 2019 2643 views
    This topic created in 2578 days ago, the information mentioned may be changed or developed.
    redis 在做模糊查询是 如果用 keys 的方法,在网上看说是有占用内存过大的坑.
    如果换用其他的方法
    如保存 hash 类型的数据 内部存储大量的 field 用 hscan 查询 这个做法是否有问题?
  • Redis
  • Python
  • Hash
  • hscan
    2 replies    2019-05-09 13:54:00 +08:00
    ebingtel
        1
    ebingtel  
       May 9, 2019
    你是用 keys 和 hash 的 keys 做遍历吗？这两种问题很大，应用层面在做无用功……这方面的资料也很多，可以试试 zset ……
    coffeSlider
        2
    coffeSlider  
       May 9, 2019 via Android
    keys 不是占用内存过大，而是单线程遍历一遍 key 时间复杂度为 n，key 过多会造成线程阻塞。
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