The pika module for Python provides an easy interface for creating exchanges and queues as well as producers/consumers for RabbitMQ . In this article, I will provide examples of a producer and consumer written in Python3. All source code is available on github.
If you get a timeout/errors trying to delete a RabbitMQ queue from the management dashboard or CLI with an error similar in syntax to below: failed to perform operation on queue ” in vhost ” due to timeout Then you can attempt deletion using rabbitmqctl to evaluate an Erlang expression: rabbitmqctl eval ‘Q = {resource, … RabbitMQ: Deleting a ghost queue that cannot be removed at the GUI/CLI
Postfix is a open source mail transfer agent. If communication the upstream mail relay is disrupted, email will build up in the pending mail queue until the root cause is resolved.
The ELK stack (ElasticSearch-Logstash-Kibana), is a horizontally scalable solution with multiple tiers and points of extension and scalability. Because so many companies have adopted the platform and tuned it for their specific use cases, it would be impossible to enumerate all the novel ways in which scalability and availability had been enhanced by load balancers, … ELK: Architectural points of extension and scalability for the ELK stack
The Logstash Indexing layer receives data from any number of input sources, transforms the data, and then submits it to Elasticsearch for indexing. Transforming and extracting data from every event can be both I/O as well as CPU intensive. Horizontal or Vertical Vertical scaling will only go so far in the Logstash indexing layer. In … ELK: Performance of the Logstash Indexing layer