Issue with file input multiline codec

Elastic Stack Logstash
2

I found a related issue https://github.com/logstash-plugins/logstash-input-file/issues/90 which mentions that auto_flush needs to be set via the auto_flush_interval codec parameter. Once I set auto_flush_interval => 3 I observed the desired behavior.

file {
    path => "c:/temp/test.log"
    start_position => beginning
    sincedb_path => "NUL"
    ignore_older => 0
    codec => multiline {
        pattern => "^%{MONTHDAY} %{MONTH} %{YEAR} %{TIME}"
        negate => true
        what => previous
        auto_flush_interval => 3
    }       
}
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