mnesia – Row Coding

Remove not_exist_already node from mnesia cluster(scheme)

November 29, 2023 by Tarik

I had a similar problem years ago. What you are trying to do is remove an offline node, which as far as I am aware was impossible in earlier versions of mnesia. You can however connect to the cluster using a dummy node named bad@node, and started with a tweaked system.config of the original clustered … Read more

RabbitMQ (beam.smp) and high CPU/memory load issue

June 3, 2023 by Tarik

Finally I found the solution. These posts helped to figure this out. RabbitMQ on EC2 Consuming Tons of CPU and https://serverfault.com/questions/337982/how-do-i-restart-rabbitmq-after-switching-machines What happened was rabbitmq was holding on to all the results that were never freed to the point it became overloaded. I cleared all the stale data in /var/lib/rabbitmq/mnesia/rabbit/, restarted rabbit and it works … Read more