Synchronize Data From RDS to Elasticsearch and Perform Search in Real Time

This lab mostly uses the Alibaba Cloud Elasticsearch service. It demonstrates how to use Data Transmission Service (DTS) to synchronize data from ApsaraDB for RDS (RDS) to an Elasticsearch cluster, so that a search on the data can be performed by the Elasticsearch service. Compared with traditional relational databases, Elasticsearch can query PB-level data and find matching information within milliseconds. With its high availability and usability, Elasticsearch can quickly process text,