Histy is a command line tool for generating histogram plots from timestamped logs. Timestamps must be in ISO format. Histy is useful for quick visual analysis of log frequencies from the command line
pip install histy
--bucket_time_s
or -b
: the duration of each histogram bucket in seconds
cat server.log | histy -b 60
docker logs my-app --since "2020-01-06 12:37:30" --until "2020-01-06 12:38:30" | histy -b 10
Output:
Histogram:
2020-01-15T03:13:01 : ######### 63
2020-01-15T03:13:11 : ###### 41
2020-01-15T03:13:21 : #### 28
2020-01-15T03:13:31 : ##### 34
2020-01-15T03:13:41 : ############# 88
2020-01-15T03:13:51 : ######### 61
2020-01-15T03:14:01 : ########################## 181
2020-01-15T03:14:11 : ###################################################################### 470
2020-01-15T03:14:21 : #### 31
2020-01-15T03:14:31 : ######## 54
2020-01-15T03:14:41 : ####### 48
2020-01-15T03:14:51 : 5