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DZone Performance Zone

Recent posts in Performance on DZone.com

9 Practical Ways to Fix Laravel Performance Issues in Production

A Laravel application can feel instant on a developer laptop and painfully slow after a few months in production. The framework is rarely the real ...
Posted on 15 October 2026 | 5:00 pm

Consumer Lag Is the Wrong Finish Line

A Kafka recovery often looks successful before it actually is. The replay job exits. Consumer lag drops. Error rate returns to normal. The dashboar...
Posted on 13 October 2026 | 2:00 pm

Columnar Formats for AI Telemetry: Parquet vs Vortex With DuckDB

An AI inference service makes a model available to an application through an API. When you ask an inference API a question, the application sends y...
Posted on 12 October 2026 | 5:00 pm

Production-Grade LLM Regression Testing: Contracts, Evals, and Quality Gates

Conventional unit tests remain essential around an LLM application, but they do not answer the most important production question about whether a c...
Posted on 9 October 2026 | 12:00 pm

Why Your MCP Server Loses Session State Behind a Load Balancer

The Problem The Model Context Protocol has an initialize handshake. A client connects, the server hands back an Mcp-Session-Id header, and every re...
Posted on 8 October 2026 | 4:00 pm

Building High-Performance Time-Series Applications With Java and QuestDB

QuestDB is well-suited for applications necessitating high-performance ingestion and SQL access to time-oriented data. It is especially useful in f...
Posted on 7 October 2026 | 12:00 pm

OpenSearch Heap Sizing: Swap, Page Cache, and the 50% Rule

OpenSearch is an open-source, distributed search and analytics suite derived as a fork of Elasticsearch and maintained under the Apache 2.0 license...
Posted on 6 October 2026 | 2:00 pm

Why Time Series Databases Matter for Modern Enterprise Applications

Time is now a critical dimension in enterprise data. Modern applications generate a constant stream of events, such as payments, sensor readings, i...
Posted on 2 October 2026 | 5:00 pm

Part 3: End-to-End Tracing and Observability Across Goose, agentgateway, and Quarkus

Enterprise context — Acme FinServ. SOC 2 CC7 (system monitoring) requires that Acme can detect and investigate anomalous activity. When an agent-dr...
Posted on 2 October 2026 | 1:00 pm

Gossips on Cryptography: Part 4

In this blog, we will continue our discussion from the previous parts. If you have not read them, please read them first. Parts 1 & 2 – Caesa...
Posted on 1 October 2026 | 5:00 pm

The Telemetry Tax: Architecting Zero-Allocation Event Observability at 15B+ Daily Event Scale

Throughout my career, observability and monitoring systems have played a very important role in system stability, availability, and scalability whe...
Posted on 30 September 2026 | 7:00 pm

The Silent Container Death: A TCP Dial That Never Times Out

A pod goes into CrashLoopBackOff. You pull the logs expecting a stack trace, a panic, an error string - anything that points you somewhere. Instead...
Posted on 30 September 2026 | 6:00 pm

Predict, Repeat, Improve: Deterministic Simulation Testing Explained

It’s 2 AM. Your phone buzzes, the on-call alert flashes, and suddenly you are staring at a production outage that makes no sense. Following the log...
Posted on 29 September 2026 | 7:00 pm

Jakarta Batch in Practice: Reliable Chunk-Oriented Processing for Enterprise Workloads

Batch processing remains vital because many business operations aren't suited to interactive requests. Tasks such as recalculating prices, reconcil...
Posted on 29 September 2026 | 2:00 pm

Stop Paying a Model to Make Decisions You Already Made

If your team distributes AI development skills (as a Claude Code or Cursor plugin or a shared rules file), you own a catalog. That catalog covers t...
Posted on 28 September 2026 | 12:00 pm

Beyond Batch: Engineering Enterprise Systems for Real-Time Decisioning

The Batch Processing Problem Batch processing isn't inherently a disadvantage. It becomes a problem when the business needs a decision now, but the...
Posted on 25 September 2026 | 7:00 pm

The Hidden Production Risks of Third-Party SDKs

Most modern applications do not function completely independently. For example, analytics, payment processing, user authentication, customer suppor...
Posted on 22 September 2026 | 6:00 pm

Architecting for <1s Latency: Managing Eventual Consistency in Distributed Search Platforms

At a logistics visibility company, the shipment state can change thousands of times per second due to the massive scale of operations. Such changes...
Posted on 22 September 2026 | 3:00 pm

Stop Blaming Executor Memory: The Real Reasons Your Spark Jobs Are Slow

After a decade of building and debugging large-scale data pipelines across financial services, payments processing, and analytics platforms, I can ...
Posted on 18 September 2026 | 1:00 pm

Understand the Sidecar Pattern by Deploying n8n to AWS Fargate

A sidecar is a container that runs alongside another container as part of the same deployment unit. Just because two containers are in the same clu...
Posted on 17 September 2026 | 3:00 pm