MongoDB Server Timeout: When Client Timeouts Aren't Enough
Discovered why a query ran for 14 hours on MongoDB server despite client timeout: missing server-side timeout configuration. Solutions for MongoClientSettings.
Databases
Improving MongoDB Observability with Spring Data
How we improved MongoDB tracing spans in Spring Data by adding a custom command listener to surface query details while keeping sensitive values sanitized.
JPA Delete and Optimistic Locking: Why Batching Fails
Discovered why JPA deleteAll wasn’t batching: @Version fields force entity loading for optimistic locking. The fix: explicit @Query annotation.
Learnings from Designing Data-Intensive Applications
These are my learnings from the book Designing Data-Intensive Applications
Cache in a microservice environment: A short overview
Caching frequently used information is a very good approach to speed up your microservice. In this post we show a brief overview about caching
PostgreSQL GIN Index: Long Random Queries on Data Updates
We were seeing random queries taking as much as 35 seconds on our Postgres DB. The cause was GIN index feature that you have to get to know