A few weeks ago I upgraded from 5.6.6 to 6.1.2. A few days ago elasticsearch started creating some extra indices.
For example, today instead of just the usual winlogbeat index "winlogbeat-2018.02.06" there is also "winlogbeat-6.1.2-2018.02.06".
Everything seems to be working, cluster is green, etc. Any ideas why it started doing this? Or how to make it stop?
I think winlogbeat-6.1.2-2018.02.06 is the new default naming convention when Beats are writing directly to Elasticsearch, while the winlogbeat-2018.02.06 pattern is commonly used in many example Logstash configs. It may also be an older version of Winlogbeat.
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