1.由于SDK引入log4j2，暂时不需要监控收集机制。移除相关代码。

skywalking-api/src/main/java/com/ai/cloud/skywalking/buffer/BufferGroup.java

@@ -13,8 +13,6 @@ import org.apache.logging.log4j.Logger;
 import com.ai.cloud.skywalking.conf.Config;
 import com.ai.cloud.skywalking.conf.Constants;
 import com.ai.cloud.skywalking.protocol.Span;
-import com.ai.cloud.skywalking.selfexamination.HealthCollector;
-import com.ai.cloud.skywalking.selfexamination.HeathReading;
 import com.ai.cloud.skywalking.sender.DataSenderFactoryWithBalance;
 
 public class BufferGroup {
@@ -45,10 +43,6 @@ public class BufferGroup {
 			logger.warn(
 					"Group[{}] index[{}] data collision, discard old data.",
 					groupName, i);
-			HealthCollector.getCurrentHeathReading(null).updateData(
-					HeathReading.WARNING,
-					"Group[" + groupName + "] index[" + i
-							+ "] data collision, discard old data.");
 		}
 		dataBuffer[i] = span;
 	}
@@ -83,9 +77,6 @@ public class BufferGroup {
 									logger.error("Sleep Failure");
 								}
 							}
-							HealthCollector.getCurrentHeathReading(null)
-									.updateData(HeathReading.INFO,
-											"send buried-point data.");
 							logger.debug("send buried-point data, size:{}", data.length());
 							data = new StringBuilder();
 						}

skywalking-api/src/main/java/com/ai/cloud/skywalking/selfexamination/HealthCollector.java

-package com.ai.cloud.skywalking.selfexamination;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import static com.ai.cloud.skywalking.conf.Config.SkyWalking.USER_ID;
-import com.ai.cloud.skywalking.util.BuriedPointMachineUtil;
-
-public class HealthCollector extends Thread{
-	private static Map<String, HeathReading> heathReadings = new HashMap<String, HeathReading>();
-	
-	public static HeathReading getCurrentHeathReading(String extraId){
-		String id = getId(extraId);
-		if(!heathReadings.containsKey(id)){
-			synchronized (heathReadings) {
-				if(!heathReadings.containsKey(id)){
-					heathReadings.put(id, new HeathReading(id));
-				}
-			}
-		}
-		return heathReadings.get(id);
-	}
-	
-	private static String getId(String extraId){
-		return  "SDK,U:" + USER_ID + ",M:" + BuriedPointMachineUtil.getHostDesc() +",P:" + BuriedPointMachineUtil.getProcessNo() + ",T:"
-				+ Thread.currentThread().getName() + "("
-				+ Thread.currentThread().getId() + ")" + (extraId == null? "" : ",extra:" + extraId);
-	}
-	
-	@Override
-	public void run(){
-		//TODO: 使用专有的端口，将数据上报给服务端，定时上报，默认应为分钟级别，降低服务端压力
-	}
-}

skywalking-api/src/main/java/com/ai/cloud/skywalking/selfexamination/HeathReading.java

-package com.ai.cloud.skywalking.selfexamination;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import com.ai.cloud.skywalking.conf.Constants;
-
-public class HeathReading {
-	public static final String ERROR = "ERROR";
-	public static final String WARNING = "WARNING";
-	public static final String INFO = "INFO";
-	
-	private String id;
-	
-	private Map<String, HeathDetailData> datas = new HashMap<String, HeathDetailData>();
-	
-	/**
-	 * 健康读数，只应该在工作线程中创建
-	 * 
-	 */
-	public HeathReading(String id) {
-		this.id = id;
-	}
-	
-	public void updateData(String key, String newData){
-		if(datas.containsKey(key)){
-			datas.get(key).updateData(newData);
-		}else{
-			datas.put(key, new HeathDetailData(newData));
-		}
-	}
-	
-	@Override
-	public String toString(){
-		StringBuilder sb = new StringBuilder(this.id);
-		sb.append(Constants.HEALTH_DATA_SPILT_PATTERN);
-		for(Map.Entry<String, HeathDetailData> data : datas.entrySet()){
-			sb.append(data.getKey()).append(Constants.HEALTH_DATA_SPILT_PATTERN).append(data.getValue().toString()).append(Constants.HEALTH_DATA_SPILT_PATTERN);
-		}
-		
-		//reset data
-		datas = new HashMap<String, HeathReading.HeathDetailData>();
-		return sb.toString();
-	}
-	
-	class HeathDetailData{
-		private String data;
-		
-		private long statusTime;
-		
-		HeathDetailData(String initialData){
-			data = initialData;
-			statusTime = System.currentTimeMillis();
-		}
-		
-		void updateData(String newData){
-			data = newData;
-			statusTime = System.currentTimeMillis();
-		}
-
-		String getData() {
-			return data;
-		}
-
-		long getStatusTime() {
-			return statusTime;
-		}
-		
-		@Override
-		public String toString(){
-			return "d:" + data + Constants.HEALTH_DATA_SPILT_PATTERN + "t:" + statusTime;
-		}
-	}
-}