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Livid
V2EX  ›  Redis

Redis 的 redis-cli --latency-history 的 max 后面那个数字的单位是什么?

  •  
  •   Livid · 2014-12-11 20:38:30 +08:00 · 5635 次点击
    这是一个创建于 3395 天前的主题,其中的信息可能已经有所发展或是发生改变。
    min: 0, max: 1, avg: 0.15 (1455 samples) -- 15.01 seconds range
    min: 0, max: 3, avg: 0.16 (1452 samples) -- 15.01 seconds range
    min: 0, max: 1, avg: 0.16 (1452 samples) -- 15.00 seconds range
    min: 0, max: 2, avg: 0.15 (1454 samples) -- 15.01 seconds range
    min: 0, max: 1, avg: 0.14 (1454 samples) -- 15.01 seconds range
    min: 0, max: 1, avg: 0.15 (1454 samples) -- 15.01 seconds range
    min: 0, max: 1, avg: 0.16 (1451 samples) -- 15.01 seconds range
    min: 0, max: 1, avg: 0.16 (1452 samples) -- 15.00 seconds range
    min: 0, max: 1, avg: 0.15 (1454 samples) -- 15.00 seconds range
    min: 0, max: 1, avg: 0.14 (1454 samples) -- 15.01 seconds range
    min: 0, max: 1, avg: 0.14 (1454 samples) -- 15.00 seconds range
    min: 0, max: 1, avg: 0.16 (1453 samples) -- 15.00 seconds range
    min: 0, max: 4, avg: 0.17 (1453 samples) -- 15.01 seconds range
    min: 0, max: 1, avg: 0.15 (1453 samples) -- 15.00 seconds range
    min: 0, max: 1, avg: 0.17 (1451 samples) -- 15.00 seconds range
    min: 0, max: 1, avg: 0.16 (1454 samples) -- 15.01 seconds range
    
    4 条回复    2014-12-11 23:50:48 +08:00
    SeanChense
        1
    SeanChense  
       2014-12-11 21:30:16 +08:00
    平均
    Average
    SeanChense
        2
    SeanChense  
       2014-12-11 21:31:55 +08:00
    忽然觉得我会错意了
    pright
        3
    pright  
       2014-12-11 23:48:30 +08:00
    milliseconds
    pright
        4
    pright  
       2014-12-11 23:50:48 +08:00
    /* Representation of a latency sample: the sampling time and the latency
    * observed in milliseconds. */
    struct latencySample {
    int32_t time; /* We don't use time_t to force 4 bytes usage everywhere. */
    uint32_t latency; /* Latency in milliseconds. */
    };

    /* The latency time series for a given event. */
    struct latencyTimeSeries {
    int idx; /* Index of the next sample to store. */
    uint32_t max; /* Max latency observed for this event. */
    struct latencySample samples[LATENCY_TS_LEN]; /* Latest history. */
    };

    /* Latency statistics structure. */
    struct latencyStats {
    uint32_t all_time_high; /* Absolute max observed since latest reset. */
    uint32_t avg; /* Average of current samples. */
    uint32_t min; /* Min of current samples. */
    uint32_t max; /* Max of current samples. */
    uint32_t mad; /* Mean absolute deviation. */
    uint32_t samples; /* Number of non-zero samples. */
    time_t period; /* Number of seconds since first event and now. */
    };
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