rabbitmq number of messages in queue

Message Queue performance comparison-ActiveMQ, RabbitMQ, ZeroMQ, and activemqrabbitmqDissecting Message Queues Overview: I spent some time profiling various databases to execute distributed messages. In this analysis, I have looked at several different aspects, including API features, ease of deployment and maintenance, and performance quality .. The message

20120825 Zheng Q: Why do MQ need to control the producer traffic? A: The trouble is: "The implementation and design of virtual machines like Erlang have not prevented users from throwing messages to the Message Queue of a process. When the message production speed is too fast, when the processing capacity of the process is exceeded, these messages are accumulated

then run the command to enable this plug-in. In centos, the default path is/usr/lib/rabbitmq/lib/rabbitmq_server-3.3.4/plugins (the version number may change) In Windows, the default path is c: \ Program Files \ rabbitmq Server \ rabbitmq_server-3.3.4 \ plugins (the version may change) Copy the EZ File and run the following command to list the plug-ins: Find th

will not be lost, even if the consumer is occasionally killed. * Consumers need to spend particularly long time is allowed. * */Boolean ACK = FALSE; Open answer mechanism//Specify consumption queue Channel.basicconsume (queue_name, ACK, consumer); Fair forwarding set the maximum number of service forwarding messages t

RABBITMQ Chinese translation, the main is the MQ letter: Message queue, that is, the meaning of messages queuing. There is also a rabbit word, that is, the meaning of the rabbit, and Python language is called Python, the foreigner is quite humorous. RABBITMQ services are similar to MySQL, Apache services, but offer dif

1. JMS and AMQP JMS (Java Message Service): ACTIVEMQ is a JMS implementation; AMQP (Advanced Message Queuing Protocol) Compatible with JMS RABBITMQ is the implementation of AMQP 2. RabbitMQ Introduction Message: Consists of the message header and the message body, the message body is opaque, and the message header consists of a series of opt

1. Introduction RABBITMQ is a message agent. Essentially, it receives messages from the producer and then delivers them to the consumer. During this time, it can be sent, cached, or persisted to store the messages according to the rules you make. The terminology used by RABBITMQ. 1). Producing means more than just sen

, RabbitMQ will stream the message to the publisher until the memory is consumed back to normal.Vm_memory_high_watermark_paging_ratio: Indicates that when RABBITMQ reaches 0.4*0.75=30%, the system will enable the paging mechanism for content in the queue, and the contents of the message will be paged to disk.RABBITMQ memory usage can be queried through the Rabbit

:--------------------------------------------------------------------------[Root@mail ~]# Jstat-gcutil 29389 S0 S1 E o p YGC NBS P YGCT NBSP;FGC NBSP;FGCT GCT 100.00 0.00 100.00 100.00 59.59 1639 2.963 219078 99272.246 99275.209----------------------------------------------------------------- --------- use Jmap to export the Java stack at this time, command: jmap-dump:format=b,file= 29389.hprof 29389. The resulting dump file is analyzed in Mat (Eclipse Memory Analyzer) an

RabbitMQ is a message queue server. here we are targeting the server environment of Python + Pika + RabbitMQ, let's take a look at how to use Python to operate the RabbitMQ server to implement the message queue routing function. RabbitMQ