wondering why logstash after been upgraded to 5.6.3 from 2.1.3 seems to continuously every few seconds to do this: [2017-11-06T09:20:07,880][INFO ][logstash.outputs.elasticsearch] Elasticsearch pool URLs updated {:changes=>{:removed=>[], :added=>[http://cbdA:9200/, http://cbdB:9200/, http://cbdC:9…

Logstash after upgrade to 5.6.3 from 2.1.3, ES output module: continues to do health checking

stefws (Steffen Winther Sørensen) November 6, 2017, 1:20pm 2

Turned out there still were some 'breaking changes' issues in some ruby filter code
See also Logstash.agent - Error in reactor loop escaped: Bad file descriptor

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