<source>
  @type dummy
  tag dummy
  rate 100
  dummy {"message":"yaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaay"}
</source>

<match dummy>
  @type null
  never_flush true
  <buffer>
    @type memory
    overflow_action block
    chunk_limit_size 1k
    total_limit_size 2k
  </buffer>
</match>
