in src/main/scala/com/twitter/iago/feeder/ParrotFeeder.scala [224:231]
private[this] def readBatch(readSize: Int): List[String] = {
log.debug("Reading %d log lines.", readSize)
val result = for (i <- 1 to readSize if lines.hasNext) yield lines.next()
requestsRead.addAndGet(result.size)
result.toList
}