java实例内存大小监控

config/src/main/resources/config/application.yml

@@ -205,6 +205,7 @@ spring-boot-plus:
       - /user/register, /user/login, /user/resetPassword, /user/checkPhone
       # 发送短信验证码
       - /verify/**
+      - /signDemo/monitor
 
     # 多行字符串权限配置
     filter-chain-definitions: |

core/pom.xml

@@ -158,6 +158,12 @@
             <version>2.10.8</version>
         </dependency>
 
+        <dependency>
+            <groupId>org.apache.lucene</groupId>
+            <artifactId>lucene-core</artifactId>
+            <version>4.0.0</version>
+        </dependency>
+
     </dependencies>
     <!--    <build>-->
     <!--        <resources>-->

core/src/main/java/com/wecloud/im/controller/SignController.java

@@ -2,12 +2,12 @@ package com.wecloud.im.controller;
 
 import cn.hutool.crypto.digest.MD5;
 import com.wecloud.im.param.GetSignParam;
-import com.wecloud.im.service.ImClientLoginService;
+import com.wecloud.im.ws.manager.ChannelManager;
 import io.geekidea.springbootplus.framework.common.controller.BaseController;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Autowired;
+import org.apache.lucene.util.RamUsageEstimator;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -25,9 +25,6 @@ import org.springframework.web.bind.annotation.RestController;
 @Api(value = "signAPI", tags = {"获取sign(Demo)"})
 public class SignController extends BaseController {
 
-    @Autowired
-    private ImClientLoginService imClientLoginService;
-
     /**
      * 根据客户方生成签名字符串 验证通过则下发token
      */
@@ -39,5 +36,32 @@ public class SignController extends BaseController {
                 + getSignParam.getAppKey() + getSignParam.getAppSecret() + getSignParam.getPlatform());
     }
 
+    /**
+     * monitor
+     */
+    @PostMapping("/monitor")
+    @ApiOperation(value = "monitor", notes = "monitor")
+    public String monitor() {
+        int sessionInfoMapSize = ChannelManager.SESSION_INFO_MAP.size();
+        String sizeStr = RamUsageEstimator.humanSizeOf(ChannelManager.SESSION_INFO_MAP);
+
+        String sizeClientId = RamUsageEstimator.humanSizeOf(ChannelManager.CLIENT_ID);
+        String sizeAppId = RamUsageEstimator.humanSizeOf(ChannelManager.APPLICATION_ID);
+        String sizeReadIdle = RamUsageEstimator.humanSizeOf(ChannelManager.READ_IDLE_TIMES);
+        String sizePlatform = RamUsageEstimator.humanSizeOf(ChannelManager.PLATFORM);
+
+        StringBuilder sb = new StringBuilder().append("sessionInfoMapSize: ").append(sessionInfoMapSize)
+                .append("sizeStr:").append(sizeStr)
+                .append("sizeClientId:").append(sizeClientId)
+                .append("sizeAppId:").append(sizeAppId)
+                .append("sizeReadIdle:").append(sizeReadIdle)
+                .append("sizePlatform:").append(sizePlatform)
+                ;
+
+        log.info(sb.toString());
+
+        return sb.toString();
+    }
+
 }