weizuo93 ad3a0fb79d [Metric] Add metrics of tablet version num distribution (#5665) ...

Add metrics (P50, P75, P90, P95, P99, etc.) to show the distribution of tablets version count.

```
# TYPE doris_be_tablet_version_num_distribution histogram
doris_be_tablet_version_num_distribution{quantile="0.50"} 9.21429
doris_be_tablet_version_num_distribution{quantile="0.75"} 11.7949
doris_be_tablet_version_num_distribution{quantile="0.90"} 13
doris_be_tablet_version_num_distribution{quantile="0.95"} 13
doris_be_tablet_version_num_distribution{quantile="0.99"} 13
doris_be_tablet_version_num_distribution_sum 950
doris_be_tablet_version_num_distribution_count 100
```

2021-04-23 21:23:22 +08:00

..

src

[Metric] Add metrics of tablet version num distribution (#5665)

2021-04-23 21:23:22 +08:00

test

[refactor] Remove boost mutex, use std::mutex instead (#5684)

2021-04-22 11:29:36 +08:00

CMakeLists.txt

Add fmt library to speed up mysql text result serialization (#5554)

2021-04-08 09:16:58 +08:00