Ram Lakshmanan discusses a curious production problem with an application running on multiple AWS EC2 instances behind Elastic Load Balancer. In this article, find out about the error message “TCP: out of memory — consider tuning tcp_mem”, how it was handled, and some concluding advice about memory problems and the ‘dmesg’ command.
All Posts by this author
Are you Troubleshooting OutofMemoryError related messages? In this article, Ram Lakshmanan walks through four JVM arguments related to OutofMemoryError. Find out what heat dump is and what to do when presented with these errors in this helpful guide.
In this article, Ram Lakshmanan goes over some commonly asked questions about the System.gc() API call. What is System.gc()? How do you detect whether System.gc() calls are made from your application? What are the downsides of invoking System.gc()? Find out all this and more.
When is it best to run your application with fewer instances and large memory size, or a lot of instances with a small memory size? In this article, Ram Lakshmanan discusses the differences and pricing of each module and goes over two multi-billion dollar enterprise stories.
The OutOfMemoryError can be a real pain to troubleshoot, and it’s still done manually for the most part, even in this day and age. Ram Lakshmanan teaches you how to automate troubleshooting and identifying the root cause of this error.