I am having the same problem as listed at this link I first attempted to update the logstash template as described, but that appeared to completely wipe out everything but the field for location and caused writes from logstash to elasticsearch to fail. I deleted my entire elasticsearch data direct…

How to update the type of a field

Badger August 1, 2018, 7:03pm 2

Take a look at this thread, which shows a couple of ways of doing the template. And possibly this one.

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Logstash Geoip filter with Packetbeat

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