Performance Resources

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

This article explains five common causes of slow Spark jobs and practical fixes for joins, stragglers, decryption chains, shuffle partitions, and incremental processing.

September 18, 2026

by Swaminathan Sethuraman

· 2,292 Views · 2 Likes

Understand the Sidecar Pattern by Deploying n8n to AWS Fargate

Learn how to deploy n8n Task Runners as AWS Fargate sidecars for isolated code execution, independent resources, and scalable workflow automation.

September 17, 2026

by Iyanuoluwa Ajao

· 3,112 Views · 2 Likes

Architecting Production AI Across Clouds: Patterns That Decide System Survival

In production, enterprise AI rarely fails at the model. It fails in the architecture around it. Here are the cross-cutting patterns that work.

September 16, 2026

by VenkataSrinivas Kantamneni

· 3,116 Views · 1 Like

Improving Repeated Analytics Workloads With Databricks Disk Cache

Databricks disk cache speeds up repeated reads from curated Parquet or Delta tables, but it works best with good table design and partitioning.

September 11, 2026

by Harsh Patel

· 2,418 Views · 1 Like

Memory-First Indexes in SQL Server 2025: Redefining Performance for Hybrid Workloads

Learn how SQL Server 2025 memory-first indexing can accelerate hybrid transactional and analytical workloads by reducing disk I/O and latency.

September 9, 2026

by arvind toorpu

CORE

· 2,603 Views · 3 Likes

Cutting Telemetry Volume Is Not the Same as Cutting Noise

A volume target removes bytes, not noise. Once easy cuts run out, you pay in answers you won't have. Govern the questions your team asks, not bytes per day.

September 8, 2026

by Severin Neumann

· 2,816 Views · 3 Likes

Optimize an AI Agent to Sound Human, Judged by an AI Detector

Use LaunchDarkly agent optimization to make an AI agent's replies sound human against GPTZero, an AI detector, as an inverted judge.

September 8, 2026

by Scarlett Attensil

· 2,782 Views · 2 Likes

What Actually Makes AI Infrastructure Agents More Reliable (It's Not More Agents)

Single AI agents fail during incidents. Four specialized agents — supervisor, telemetry, reasoning, action — handle observability more reliably.

September 8, 2026

by Kinjal Vaishnav

· 2,295 Views · 2 Likes

How Performance Engineers Find and Fix Hidden System Bottlenecks

Performance engineers diagnose end-to-end bottlenecks using data over intuition, turning hours of system delays into smooth, efficient execution.

September 7, 2026

by Alex Vakulov

CORE

· 2,660 Views · 2 Likes

The Bottleneck of Scaling

Learn how modern languages help developers take care of behind-the-scenes file descriptor management, kernel memory management, and heap management.

September 3, 2026

by Vishal Bhatia

· 2,994 Views · 2 Likes

Ampere PMU Profiler: A Guide to Microarchitecture Profiling

APP uses PMU metrics to pinpoint CPU stalls, cache misses, and other microarchitectural bottlenecks on Ampere processors

September 1, 2026

by Bhakti Hinduja

· 2,921 Views · 3 Likes

Why Ping-Based Uptime Checks Are Failing Modern SaaS Architectures

Legacy server ping checks are obsolete. Synthetic monitoring solves this by simulating real user journeys to validate that actual business workflows function correctly.

August 31, 2026

by Arun Kulkarni

· 1,918 Views · 1 Like

How to Monitor AI Models Without Drowning in Alerts

In this article, we will discuss monitoring AI models wisely. Prioritize actionable alerts so that real issues stand out instead of getting lost in the noise.

August 28, 2026

by Aditya Shrivastava

· 3,087 Views · 3 Likes

Pragmatic Premature Optimization

Learn simple Java performance tips for strings, collections, enums, and initialization that make code faster without sacrificing readability.

August 28, 2026

by Alexander Radzin

· 3,566 Views · 4 Likes

Member Spotlight: Shamsher Khan

We caught up with Shamser to talk about golden prompts, AI-assisted engineering, and how teams can build more consistent and governed AI workflows.

August 28, 2026

by Dominique Pugh

· 3,136 Views · 3 Likes

How to Diagnose and Recover Stuck Temporal Workflows

Diagnose stuck Temporal workflows via event history, use LangGraph for triage, and recover safely with retry, reset, signal, or cancel.

August 27, 2026

by Akhil Madineni

CORE

· 2,947 Views · 4 Likes

The 2026 Observability Audit: Separating Single Vendor Silos From Community Innovation

Learn how to evaluate open-source observability projects, compare vendor contributions, and identify healthy community-driven projects beyond marketing claims.

August 26, 2026

by Chris Ward

CORE

· 3,030 Views · 2 Likes

Ampere System Profiler: A Guide to System-Level Profiling

Learn how Ampere System Profiler collects CPU, network, disk, NUMA, and perf metrics to identify system-level performance bottlenecks.

August 24, 2026

by Tito Reinhart

· 1,463 Views · 3 Likes

Alert Fatigue as a System Design Problem: Engineering On-Call Reliability in Modern SRE Teams

Alert fatigue from excessive notifications exhausts on-call engineers, eroding SRE culture. True reliability requires resilient system design, not heroic human effort.

August 21, 2026

by Oreoluwa Omoike

· 1,814 Views · 1 Like

Reliability Without Control: Operating SRE Practices in Platform–SaaS and API-Dependent Systems

Modern SRE shifts focus from component health to user experience, relying on accurate signals and human response to sustain reliability despite reduced control.

August 20, 2026

by Oreoluwa Omoike

· 1,831 Views · 3 Likes

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