redis缓存命中率低，添加jedisCluster操作redis命令top5日志，日志刷入磁盘，每半个小时刷一次磁盘

pcloud-common-core/src/main/java/com/pcloud/common/core/aspect/JedisClusterAspect.java

+package com.pcloud.common.core.aspect;
+
+import com.pcloud.common.utils.DateUtils;
+import lombok.extern.slf4j.Slf4j;
+import org.aspectj.lang.JoinPoint;
+import org.aspectj.lang.annotation.AfterReturning;
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.annotation.Pointcut;
+import org.springframework.stereotype.Component;
+import org.springframework.util.ResourceUtils;
+
+import java.io.*;
+import java.util.Date;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.LongAdder;
+
+/**
+ * 添加监控，查看
+ */
+@Component
+@Aspect
+@Slf4j
+public class JedisClusterAspect {
+    //需要统计的方法调用次数
+    private LongAdder allExistsLongAdder = new LongAdder();
+    private LongAdder allLpushLongAdder = new LongAdder();
+    private LongAdder allGetLongAdder = new LongAdder();
+    private LongAdder allRpopLongAdder = new LongAdder();
+    private LongAdder allHgetAllLongAdder = new LongAdder();
+
+    private LongAdder missExistsLongAdder = new LongAdder();
+    private LongAdder missGetLongAdder = new LongAdder();
+    private LongAdder missRpopLongAdder = new LongAdder();
+    private LongAdder missHgetAllLongAdder = new LongAdder();
+    private ConcurrentHashMap<String, AtomicInteger> missKeyMap = new ConcurrentHashMap<>();
+    private ConcurrentHashMap<String, AtomicInteger> tempMap = new ConcurrentHashMap<>();
+
+    public JedisClusterAspect() {
+        new PringLogThread().start();
+    }
+
+    @Pointcut("execution(* redis.clients.jedis.JedisCluster.*(..))")
+    public void pointcut() {
+
+    }
+
+    class PringLogThread extends Thread {
+        @Override
+        public void run() {
+            String path = getResourceBasePath() + File.separator + "redislog" + File.separator;
+            File file = new File(path);
+            if (!file.exists()) {
+                file.mkdirs();
+            }
+            while (true) {
+                BufferedWriter out = null;
+                try {
+                    Thread.sleep( 30 * 60 *1000);
+                    tempMap.clear();
+                    tempMap.putAll(missKeyMap);
+                    missKeyMap.clear();
+                    StringBuffer logStr = new StringBuffer("lpush调用：" + allLpushLongAdder.intValue() + "次");
+                    logStr.append("\n");
+                    logStr.append("exists调用：" + allExistsLongAdder.intValue() + "次，未命中：" + missExistsLongAdder.intValue() + "次");
+                    logStr.append("\n");
+                    logStr.append("get调用：" + allGetLongAdder.intValue() + "次，未命中：" + missGetLongAdder.intValue() + "次");
+                    logStr.append("\n");
+                    logStr.append("rpop调用：" + allRpopLongAdder.intValue() + "次，未命中：" + missRpopLongAdder.intValue() + "次");
+                    logStr.append("\n");
+                    logStr.append("hgetall调用：" + allHgetAllLongAdder.intValue() + "次，未命中：" + missHgetAllLongAdder.intValue() + "次");
+                    logStr.append("\n");
+                    String fileName = "redisOperate" + DateUtils.getYmdHmsTime() + ".log";
+                    out = new BufferedWriter(new FileWriter(path + fileName));
+                    out.write(logStr.toString());
+                    out.newLine();
+                    for (Map.Entry<String, AtomicInteger> entry : tempMap.entrySet()) {
+                        out.write(entry.getKey() + "未命中：" + entry.getValue().intValue());
+                        out.newLine();
+                    }
+                } catch (Exception e) {
+                    e.printStackTrace();
+                } finally {
+                    try {
+                        out.close();
+                    } catch (IOException e) {
+                    }
+                }
+            }
+        }
+    }
+
+    @AfterReturning(value = "pointcut()", returning = "result")
+    public void afterReturning(JoinPoint joinPoint, Object result) {
+        String methodName = joinPoint.getSignature().getName();
+        Object[] obj = joinPoint.getArgs();
+        String key = obj[0].toString();
+        switch (methodName) {
+            case "exists":
+                allExistsLongAdder.add(1);
+                if (result.toString().equals("false")) {
+                    missExistsLongAdder.add(1);
+                    addMissCount(missKeyMap, key);
+                }
+                break;
+            case "lpush":
+                allLpushLongAdder.add(1);
+                break;
+            case "get":
+                allGetLongAdder.add(1);
+                if (result == null) {
+                    missGetLongAdder.add(1);
+                    addMissCount(missKeyMap, key);
+                    if (missKeyMap.get(key).intValue() > 5) {
+                        log.warn("key: {}未命中 {}次", key, missKeyMap.get(key).intValue());
+                    }
+                }
+                break;
+            case "rpop":
+                allRpopLongAdder.add(1);
+                if (result == null) {
+                    missRpopLongAdder.add(1);
+                    addMissCount(missKeyMap, key);
+                }
+                break;
+            case "hgetAll":
+                allHgetAllLongAdder.add(1);
+                if (result == null) {
+                    missHgetAllLongAdder.add(1);
+                    addMissCount(missKeyMap, key);
+                }
+                break;
+            default:
+
+        }
+    }
+
+    private static String getResourceBasePath() {
+        // 获取跟目录
+        File path = null;
+        try {
+            path = new File(ResourceUtils.getURL("classpath:").getPath());
+        } catch (FileNotFoundException e) {
+            // nothing to do
+        }
+        if (path == null || !path.exists()) {
+            path = new File("");
+        }
+
+        String pathStr = path.getAbsolutePath();
+        // 如果是在eclipse中运行，则和target同级目录,如果是jar部署到服务器，则默认和jar包同级
+        pathStr = pathStr.replace("\\target\\classes", "");
+
+        return pathStr;
+    }
+
+    public void addMissCount(ConcurrentHashMap<String, AtomicInteger> map, String key) {
+        AtomicInteger missCount = map.get(key);
+        if (missCount == null) {
+            missCount = new AtomicInteger(1);
+        } else {
+            missCount.getAndIncrement();
+        }
+        map.put(key, missCount);
+    }
+
+}