分析请求头： POST /_bulk HTTP/1.1 Host: 10.5.11.207:9200 Content-Length: 438 Content-Type: application/x-ndjson User-Agent: Fluent-Bit 请求体： {"create":{"_index":"devcloud-log-20230710","_type":"_doc"}} {"@timestamp":"2023-07-10T04:39:17.409Z","systemName":"devcloud","serviceName":"servermanager","logType":"businesslog","traceId":"","logTime":"2023-07-10 12:39:17.404","thread":"main","sourceContext":"com.mysoft.devcloud.servermanage.StartApplication","ipAddress":"","userId":"","userName":"","level":"INFO","message":"The following profiles are active: test","exceptions":""}

请求头分析：
- 请求方法：POST
- 请求路径：/_bulk
- HTTP版本：HTTP/1.1
- 主机：10.5.11.207:9200
- 内容长度：438
- 内容类型：application/x-ndjson
- 用户代理：Fluent-Bit

请求体为一个JSON格式的数据，包含了一个create操作和对应的文档数据。create操作指定了索引名称为"devcloud-log-20230710"，文档类型为"_doc"。文档数据包含了以下字段：
- @timestamp：时间戳，值为"2023-07-10T04:39:17.409Z"
- systemName：系统名称，值为"devcloud"
- serviceName：服务名称，值为"servermanager"
- logType：日志类型，值为"businesslog"
- traceId：跟踪ID，值为空字符串
- logTime：日志时间，值为"2023-07-10 12:39:17.404"
- thread：线程，值为"main"
- sourceContext：源上下文，值为"com.mysoft.devcloud.servermanage.StartApplication"
- ipAddress：IP地址，值为空字符串
- userId：用户ID，值为空字符串
- userName：用户名，值为空字符串
- level：日志级别，值为"INFO"
- message：日志消息，值为"The following profiles are active: test"
- exceptions：异常信息，值为空字符串