Published in Level Up Coding·Oct 29, 2022Transaction Management in Golang via ClosuresOne of the most familiar and essential topics in Database Management is Atomicity. It's a property of the database that guarantees either all or none of the instructions are executed. If it is a simple SQL Query, it can be represented as begin transaction; // Sequence of queries commit; or…Golang3 min readGolang3 min read
Sep 17, 2021Deep dive on goroutine leaks and best practices to avoid themOne of the fantastic things about Go is the ease with which we can execute concurrent tasks using goroutines and channels. But using goroutines and channels in production env without proper context on how they behave can cause some serious effects. Well, we faced one such impact where we had…Go7 min readGo7 min read
Published in Level Up Coding·Aug 26, 2021Dependent & Searchable Selections in Django Model Admin is now a cakewalkWe all know Django is an awesome framework that provides a default admin interface based on the models. …Django7 min readDjango7 min read
Jul 17, 2021Go: A beginners guide to Record UDF’s in AerospikeThings I try to cover in this article What, When, and How to use a UDF. A real-world scenario where we fit in UDF. How to write, register, execute a UDF in Aerospike Context. What is a UDF? UDF means User Defined Functions which means the database has to run…Aerospike7 min readAerospike7 min read
Published in Level Up Coding·Apr 24, 2021Golang: Optimizing Docker Image Size from 2.4 GB to 100 MB using Docker Multi-Stage Build Process.Out of hundreds of optimizations that a developer thinks of, reducing the docker image size will be given the least priority. So did we. As a result, our docker image started to weigh around 2.4 GB in size which indirectly resulted in our developer’s productivity. …Docker6 min readDocker6 min read
Published in Level Up Coding·Dec 25, 2020A Short Note on Cascading Failures in MicroServices ArchitectureIf there is one big transition that took place in the past decade or so in terms of application development style and deployment patterns then it has to be migration from Monolithic application development to Microservices. The latter had provided us with various advantages by splitting the bigger application into…Microservices4 min readMicroservices4 min read
Published in Level Up Coding·Dec 12, 2020Effects of Docker Image Size on AutoScaling w.r.t Single and Multi-Node Kube ClusterWhen you ask a developer, what are the two key things that are required for better performance of an application, the answer will surely be Number of CPU Cores. Application RAM. When it comes to monolithic architecture, we estimate the total CPU and RAM required for an application and pick…Autoscaling6 min readAutoscaling6 min read
Published in Level Up Coding·Dec 5, 2020Go: The moment when CPU Context switching blindfolded usWorking for an E-commerce company with a pretty huge customer base, the primary thing that we always keep in our mind while we code is to keep it performant enough to serve huge traffic. As a developer, we benchmark the application with lakhs of requests and try to come up…Go4 min readGo4 min read
Published in Level Up Coding·Nov 16, 2020Golang: Tracking 1% request timeouts with Sumologic complex log parsingIntroduction — One primary factor that attracts the end-user is how quickly the application responds back to the user request. Applications perform pretty well when the traffic is low but things start failing once the load increases on the application. Before taking the application to production, there will be rigorous benchmark testing…Golang5 min readGolang5 min read
Published in Level Up Coding·Oct 17, 2020Internals of Protocol BuffersWith a rapid transition from Monolithic application development to Microservices based application development, communication between microservices has become a crucial and core component. We need some sort of common language pattern where all dependent microservices should be able to communicate irrespective of programming language. It all started off with XML…Protobuf6 min readProtobuf6 min read
