Prerequisite Monitoring server access logs with logstash. want to do Calculate the difference between the time field values in the log (end_time-start_time). And I want to add the result to the new field as [support_time]. Log_sample 【Before】 "00001~Product inquiry~2019-11-05 10:00:00~2019-11-0…

【Logstash】 I want to calculate the difference of field value

system (system) Closed December 4, 2019, 2:37pm 3

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