in src/fluent-plugin-mdsd/lib/fluent/plugin/out_mdsd.rb [112:120]
def record_too_large?(dataStr, mdsdSource)
if dataStr.length > @configured_max_record_size
@log.warn "Dropping too large record to mdsd with size=#{dataStr.length}, source='#{mdsdSource}"
true
else
false
end
end