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# パフォーマンス articles

Measuring the Impact of Round-Trip Latency Between the App and the DB on Response Time with TiDB Cloud Starter

越井琢巳 (Koshii Takumi)

2026.10.15

Is Fast SQL Cheap SQL? Testing It with TiDB Cloud

越井琢巳 (Koshii Takumi)

2026.10.14

Comparing the Delivery Performance of a Next.js (SSR) Page with Many Assets Using Lambda Web Functions and Lambda Web Adapter

2026.10.14

I read about what changed in Qwik 2.0 RC and the design philosophy behind trimming even HTML comments

森茂洋 / Hiroshi Morishige

2026.10.03

I measured how much the output volume and time required change with Vercel Labs' agent-browser

越井琢巳 (Koshii Takumi)

2026.09.17

I tried to verify whether algebraic_* in Rust 1.98 speeds up audio DSP

越井琢巳 (Koshii Takumi)

2026.09.10

I Tried "Early Success Criteria," a New Feature for ECS Rolling Deployments

2026.09.08

I Tried Lambda SnapStart's Container Image Support with Next.js + Lambda Web Adapter

2026.09.03

I tried tracking down the cause of a process frozen at 0% CPU using cdb and handle64

越井琢巳 (Koshii Takumi)

2026.07.08

Amazon RDS Multi-AZ Synchronous Replication Now Supports ENA Express

2026.05.27

Amazon Redshift RG Instances vs RA3 Instances - Comparing Cluster Performance and Cost Using TPC-H 10GB

2026.05.17

I tried to see how light I could make the walkthrough images for a native app that users only see once

2026.04.30

CloudFront Now Supports Tag-Based Cache Invalidation, So I Tried It Out

2026.04.30

Optimizing Image Delivery with Contentful's Asset CDN - Testing How Much Load Speed Actually Changes

2026.04.28

Aurora DSQL Python Connector Has Been Released, So I Measured and Compared Performance on Lambda (psycopg2 vs asyncpg)

2026.02.20

I Used AI (Kiro) to Improve an Aurora DSQL N+1 Problem from 90 Seconds to 8 Seconds

2026.01.29

5th Generation AMD EPYC (Turin) equipped "R8a" released, "M8a" also becomes available in Tokyo region

2025.11.24

ちょっと話題の記事

I Tried Controlling Concurrent Connections with Target Optimizer, a New Feature of ALB

2025.11.22