Hi Asanka, I think we also need to provide
1. publishing message rate by a publisher (publisher channel) 2. subscribing message rate by a consumer (consumer channel) 3. acknowledgement rate by a consumer (consumer channel) These stats are important when come to fine-tuning MB to deliver max performance. Thanks On Mon, Jan 22, 2018 at 10:09 AM, Asanka Abeyweera <asank...@wso2.com> wrote: > Hi all, > > We need to expose messaging metrics to provide information about the > broker state. We are planning to expose following messaging metrics. > > - Queue > - Number of messages > - Number of messages in a specific queue* > - Number of subscribers for a specific queue* > - Total messages published (enqueued) > - Number of messages published to a queue* > - Total messages acknowledged (dequeued) > - Number of messages acknowledged in a queue* > - Exchanges > - Total messages published > - Number of messages published with a certain routing key* > - Subscriptions > - Total subscribers > - Number of pending messages* > - Total messages fetched* > - Total messages acknowledged* > - Total messages rejected* > - Database > - Read latency > - Write latency > - Delete latency > - Read throughput > - Write throughput > - Delete throughput > - Broker > - Messages in inbound netty pipeline > - Messages in data cache layer > > * - We will have to evaluate calculating dynamic metrics since it can > depend on the library support and performance impact on the broker. > > Please suggest other messaging metrics we need to expose. > > The metric calculation should not have a considerable negative impact on > the broker performance. We are planning to use the Metrics library [1] > since it is known to have a low footprint on the performance. > > WDYT? > [1]. http://isuru-perera.blogspot.com/2014/11/java-performance- > monitoring-libraries.html > [2]. https://github.com/dropwizard/metrics > > -- > Asanka Abeyweera > Associate Technical Lead > WSO2 Inc. > > Phone: +94 712228648 > Blog: a5anka.github.io > > <https://wso2.com/signature> > -- *Hasitha Abeykoon* Associate Technical Lead; WSO2, Inc.; http://wso2.com *cell:* *+94 719363063* *blog: **abeykoon.blogspot.com* <http://abeykoon.blogspot.com>
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