Something like
ruby {
code => "event.set('fieldname', event.get('fieldname').to_f / 1000))"
}
should do it (assuming Logstash 2.4 or later).
Something like
ruby {
code => "event.set('fieldname', event.get('fieldname').to_f / 1000))"
}
should do it (assuming Logstash 2.4 or later).
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