Painless script for date to minutes calculation

[matw (Matthias Wilhelm)]

If it doesn't change, why no calculating the value in log stash and storing it in a numeric field in Elasticsearch? this is the best option in this case. You can do this with a ruby filter in Logstash, here's an example that's a similar use case:

Get Difference between two date field with ruby filter

Hi All I have been trying the ruby code to get the difference between 2 dates Start Date : 2017-06-13T01:17:07.000Z End Date : 2017-07-13T01:17:10.000Z I need difference between these 2 dates. I have dried this but i get ruby exception error ruby { init => "require 'time'" code => " start = Time.iso8601(event['Start Date'].to_s).to_i; end = Time.iso8601(event['End Date'].to_s).to_i; event['timediff'] = start - end; " add_tag => [ "calculat…

Best,
Matthias