logstash-5.x gelf input multiline codec doesn't work
I have discovered that the codecs are ignored in gelf input plugin: logstash-plugins/logstash-input-gelf#37
This means that the only multiline option with gelf is using logstash-2.4 and taking the single-thread performance hit.
Settings: Default pipeline workers: 4Defaulting pipeline worker threads to 1 because there are some filters that might not work with multiple worker threads {:count_was=>4, :filters=>["multiline"], :level=>:warn}Pipeline main started