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A command-line tool for generating histograms from timestamped logs

Project description

histy is released under the MIT license. PRs welcome! PyPI version Python

Histy

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

Parameters:

--bucket_time_s or -b : the duration of each histogram bucket in seconds

Sample usage:

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

cat server.log | histy -b 60

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