红帽全球峰会21.11.2. 在使用 Spring Boot 时禁用 Sniffer
当 Spring Boot 位于类路径上时，Elasticsearch 的 Sniffer 客户端会被默认启用。这个选项可以在 Spring Boot 配置中禁用：
spring:
autoconfigure:
exclude: org.springframework.boot.autoconfigure.elasticsearch.ElasticsearchRestClientAutoConfiguration
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