Whitelisting IPs with NGINX Ingress K8s

Understand how to whitelist IPs with NGINX via Ingress Objects and securing your kubernetes infrastructure

FREAD vs MMAP

In this blog post, we will understand the differences between MMAPs and READs system calls and its internals.

When not to use MMAPs !!!

In the previous blog post, we developed an understanding for the READ and MMAP system calls. If you haven't read Part 1 of this, we suggest you go to this link. In this blog post, we are going to answer this simple question "Why not to use MMAP everywhere". Advantages of MMAP over READ Data … Continue reading When not to use MMAPs !!! →

Improving Software design through Execution Flows

In this blog post, lets understand how one can leverage execution flow between the classes in a software to improve the design of the softwares

Data at Rest / Data in Transit Encryption

Basics of What , Why and Hows of Data at Rest and Data in Transit Encryption

Effect of Threads on Application Throughput

In this blog post, we are going to understand how does the throughput of a service varies when we change the number of threads doing the tasks in a service

Best Practices for Creating Indexes in MySQL

MySQL is one of the most used databases in the current world. There has been a lot of research and thought gone into making the indexes in MySQL + InnoDB performant keeping the space complexity of these indexes in the same ballpark. In the context of this blog post, we will be going through the … Continue reading Best Practices for Creating Indexes in MySQL →

Could there be a data loss in DRAM while system is up ??

Recently I came across this interesting blog article. It really struck me that RAM sitting on our systems has to be refreshed again and again in a timely fashion to ensure that the contents stored by the memory cells are intact. According to Wikipedia, each bit in DRAM is stored as a presence or absence of electric … Continue reading Could there be a data loss in DRAM while system is up ?? →