里面SegmentRecord,是最终写入es的实体类,同样dataBinary这个字段也是上面传过来的字节流,这里面最后一步将字段进行了base64编码,具体可以看org.apache.skywalking.oap.server.storage.plugin.elasticsearch.base.RecordEsDAO#prepareBatchInsert中调用org.apache.skywalking.oap.server.core.storage.StorageHashMapBuilder#entity...