by revathisreem | Aug 25, 2026 | Case Study, Databases, General, KnowledgeBase, MongoDB
Modern MongoDB applications can have thousands of clients reading and modifying data concurrently. For a DBA, the important question is not simply how MongoDB stores documents, but how it allows these operations to run concurrently while maintaining consistency. A key...
by Nagarajan Ponnusamy | Aug 4, 2026 | Databases, General, MongoDB
Choosing the right shard key is one of the most important architectural decisions when designing a MongoDB sharded cluster. A well-designed shard key distributes data and workload evenly across shards, allowing the cluster to scale efficiently as data volumes and...
by revathisreem | Jul 28, 2026 | Databases, KnowledgeBase, MongoDB
Why MongoDB Performance Troubleshooting Is Challenging MongoDB is widely used for modern applications because it provides flexibility, scalability, and high availability. However, as application traffic grows and data volumes increase, maintaining consistent database...
by revathisreem | Jul 14, 2026 | Databases, General, KnowledgeBase, MongoDB
“We already added two more shards, but why is one shard still running at 90% CPU?” This was one of the first questions a customer asked us during a production performance review. At first glance, the architecture looked perfectly fine. The MongoDB cluster...
by revathisreem | Jun 9, 2026 | Databases, General, KnowledgeBase, MongoDB
If you’ve ever deleted millions of documents from MongoDB and then checked your disk usage, you’ve probably asked yourself: “Why hasn’t the database size decreased?” This is one of the most common questions among developers, DBAs, and...
by revathisreem | May 5, 2026 | Databases, General, KnowledgeBase, MongoDB
If you’ve worked with MongoDB for a while, you’ve probably heard that “performance depends a lot on memory.” That’s not just a vague statement — it’s largely about how the WiredTiger cache behaves. Instead of diving straight into jargon, let’s walk through this the...
