- The document discusses AWS X-Ray, a service that allows users to analyze and debug distributed applications. - It provides visibility into requests as they travel through various services, microservices, functions and resources. This helps identify performance bottlenecks and the root causes of errors. - The key concepts discussed are segments, subsegments and traces. Segments represent units of
![Amazon ElastiCache(初心者向け 超速マスター編)JAWSUG大阪](https://cdn-ak-scissors.b.st-hatena.com/image/square/a62c0320479b1ea6d960638baf881aa6d8bbe2ae/height=288;version=1;width=512/https%3A%2F%2Fcdn.slidesharecdn.com%2Fss_thumbnails%2Famazonelasticache-130622021612-phpapp01-thumbnail.jpg%3Fwidth%3D640%26height%3D640%26fit%3Dbounds)