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

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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

samples

range

seconds

4 replies • 2014-12-11 23:50:48 +08:00

SeanChense

Dec 11, 2014

平均
Average

SeanChense

Dec 11, 2014

忽然觉得我会错意了

pright

Dec 11, 2014

milliseconds

pright

Dec 11, 2014

/* 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. */
};