在非常繁忙的 Redis 服务器上,大家的 SAVE 参数一般是怎么配置的呢? - V2EX
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Livid
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V2EX    Redis

在非常繁忙的 Redis 服务器上,大家的 SAVE 参数一般是怎么配置的呢?

  •  
  •   Livid
    PRO
    Dec 12, 2014 6228 views
    This topic created in 4156 days ago, the information mentioned may be changed or developed.
    这个参数的配置不同是否会给服务器造成什么额外的压力呢?
    7 replies    2015-07-10 21:04:39 +08:00
    typcn
        1
    typcn  
       Dec 12, 2014
    save 不是命令么。。
    humiaozuzu
        2
    humiaozuzu  
       Dec 12, 2014
    redis 分 cache 和 nosql 用的,cache 的可以丢,nosql 的不可以丢
    cache 的不开 bgsave
    nosql 的开,然后 slave 上备份 dump.rdb 文件
    MasterYoda
        3
    MasterYoda  
       Dec 12, 2014
    Livid的意思是 多长时间内多少个key被改动然后才触发BGSAVE 的那个配置吧。
    Livid
        4
    Livid  
    MOD
    OP
    PRO
       Dec 12, 2014
    @MasterYoda 对。
    victor
        5
    victor  
       Dec 12, 2014
    1小时
    zergling
        6
    zergling  
       Dec 15, 2014
    如果服务真的非常忙,压根就不要用 RDB 的 SAVE 了,备份频率再高也会丢数据,而且频繁地备份很占内存。
    建议配成 AOF 模式。
    mathgl
        7
    mathgl  
       Jul 10, 2015 via Android
    @zergling 数据落地这种活还是自己做比较好。云风有提过用unqlite来保存数据。
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