I'm also not sure how useful it is, but there is some discussion on it here:
https://issues.apache.org/jira/browse/KAFKA-1597 On Thu, May 14, 2015 at 09:26:02PM +0300, Gwen Shapira wrote: > Hi, > > As part of KAFKA-1928, we need to consolidate existing SocketServer metrics > into Selector metrics. > > The two metrics are: > 1. NetworkProcessorAvgIdlePercent > 2. ResponsesBeingSent > > NetworkProcessorAvgIdlePercent is currently implemented as Meter, which > seems to translate nicely into KafkaMetrics Rate. > > ResponsesBeingSent is a gauge, which doesn't have a direct KafkaMetrics > equivalent, but should be easy to add. > > However, I'm considering dropping ResponsesBeingSent gauge completely - I > find it useless. > Selector currently has Rates for requests-sent, responses-sent, bytes-sent, > bytes-received. > > Anyone finds ResponsesBeingSent useful and wants to make a passionate plea > to keep it around? > > (I CCed the people I think will care, in case they are not watching the > list) > > Gwen
