![]() Over which application and client connection is the too much data transmitted?.How are the virtual hosts the configured user has access to, performing? Is any virtual host handling too many unacknowledged messages? Which virtual host is seeing an unusual number of redelivered and returned messages?.Is any queue consuming memory excessively? What could be causing the memory drain - a large number of unacknowledged messages in the queue?.Is any queue abnormally long in terms of number of messages it contains?.Are too many messages read from and written to disks every second? If so, which queue is generating this high level of disk activity?. ![]() ![]() Are too many messages delivered to consumers using manual acknowledgement? If so, which queue delivered such messages the most?.Which type of messages are being delivered slowly - messages to consumers requiring acknowledgement? or messages to consumers not requiring acknowledgement?.What is the current message load on the cluster?.Has garbage collection occurred very frequently on any node? Which node is it? How much heap memory was reclaimed during the garbage collection on that node?.Are disk IOPS abnormally high on any node?.Is any node's bandwidth usage unusually high?.Are Erlang processes been over-utilized by any node? Which node is this?.Is any node consuming memory excessively? Which node is this?.Is any node in the cluster consuming file and/or socket descriptors abnormally? Which node is this?.Are any nodes in the cluster not running presently? If so, which nodes are these?.Using the metrics reported by these tests, administrators can find quick and accurate answers to certain persistent performance queries, such as the following: For that, login to the eG user interface as any user with monitoring rights to the cluster.ĮG Enterprise provides a specialized monitoring model for the RabbitMQ cluster.įigure 3 : Layer model of the RabbitMQ ClusterĮach layer of Figure 3 is mapped to tests that report on the health of the cluster, the servers in the cluster, and the message queues, channels, and client connections to the cluster. Now that the RabbitMQ cluster s monitoring-ready, proceed to view the performance results reported by the eG agent for the RabbitMQ cluster.
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