Optimizing OpenSearch: How We Achieved 15x Faster Queries
This article is authored by Hitanshu Bachawat For most engineering teams, the safest bet is to follow “best practices.” They’re comforting. They...
Engineering
Achieving Operational Efficiency and Optimising Cost by Migrating to ECS Fargate with Graviton
This is a guest article that was co-authored with Anirban Sinha, a Senior Technical Account Manager at AWS. CleverTap's Log Collector...
Pitfalls When Upgrading from Java 8 to Java 17
Motivation As you can see from the other engineering blog posts on the CleverTap tech blog, a lot of them are...
Application Profiling at Scale
Background CleverTap has reached a scale where we run thousands of message delivery service instances across multiple AWS regions. Most of...
From Inbox to Brand Connection: Building Trust with Visual Identity in Emails
Most brands across the globe use email as a go-to communication medium for individual and business needs. With the sheer volume...
Building a Streaming OpenAI App in Python
In a world where technology is advancing at breakneck speed, OpenAI APIs stand out as a game-changing innovation. In this blog,...
A Quick Intro to SPF and DKIM
Hosting a Party? Understanding SPF and DKIM is Like Managing Email Security! Imagine you're hosting a party and want to ensure...
Scaling up for IPL 2023
We’ve had some great feats when it comes to performance engineering, but the one that occurred recently, in preparation for the...
Anomaly Detection for Time Series Data: Part 2
This post was authored by Aabhas Karnawat In our previous post, Anomaly Detection for Time Series Data: Part 1, we looked...
Demystifying G1 GC, GCLocker, JNI Critical, and Fake OOM Exceptions
This post is co-authored together with Hardik Shah and Avneesh Sharma. TesseractDBTM runs on the JVM, which allows us to iterate...