pid_V6

ad-engine-service/src/main/java/com/tzld/piaoquan/ad/engine/service/score/container/PidLambdaContainer.java

@@ -42,10 +42,10 @@ public class PidLambdaContainer {
     @Value("${model.oss.bucketName:art-recommend}")
     String bucketName = "";
 
-    @Value("${model.oss.pid.filename.lambda:pid/lambda}")
+    @Value("${model.oss.pid.filename.lambda:pid/lambda.txt}")
     String lambdaFileName = "";
 
-    @Value("${model.oss.pid.filename.dCpa:pid/dCpa}")
+    @Value("${model.oss.pid.v2.filename.dCpa:pid/dCpaV2.txt}")
     String dCpaFileName = "";
 
     @Value("${ad.model.pid.kp:0.4}")
@@ -57,9 +57,14 @@ public class PidLambdaContainer {
     @Value("${ad.model.pid.kd:0.2}")
     Double kd = 0d;
 
+    @Value("${ad.model.pid.v2.lambda.max:5.0}")
+    Double maxLambda = 0d;
+
+    @Value("${ad.model.pid.v2.lambda.min:0.8}")
+    Double minLambda = 0d;
     OSS client;
 
-    private static ConcurrentHashMap<Long,Double>  lambdaCache=new ConcurrentHashMap<>();
+    private static ConcurrentHashMap<Long, V1CacheItem>  lambdaCache=new ConcurrentHashMap<>();
     private Date cacheDate;
 
     @PostConstruct
@@ -97,18 +102,43 @@ public class PidLambdaContainer {
             InputStreamReader isr=new InputStreamReader(is);
             BufferedReader bufferedReader = new BufferedReader(isr);
             String line = null;
-            ConcurrentHashMap<Long,Double>  temp=new ConcurrentHashMap<>();
+            ConcurrentHashMap<Long, V1CacheItem>  temp=new ConcurrentHashMap<>();
+            Double conversion=0d;
+            Double cpa=0d;
+            Double realCost=0d;
+            Double latestRealCPA=0d;
+            double et=0d;
+            double sumE=0d;
+            double ve=0d;
             while ((line = bufferedReader.readLine()) != null){
                 try {
                     String[] cols=line.split(",");
                     Long creativeId=Long.parseLong(cols[0]);
-//                    Double lambdaNew=lambdaCache.getOrDefault(creativeId,0d)+
-//                            kp*Double.parseDouble(cols[1])+ki*Double.parseDouble(cols[2])+kd*Double.parseDouble(cols[3]);
-//                  Ecpm = CPA * pctr * pcvr * bid * lambad
-//0.4* （昨天realctcvr / 昨天pctcvr ） + 0.4 * （当天累计realctcvr / 当天的pctcvr ） + 0.2 * （最近一个小时realctcvr / 最近一个小时pctcvr）
-                    Double lambdaNew=kp*getYesterdayLambda(cols)+ki*getTodayLambda(cols)+kd*getLatestHourLambda(cols);
-                    temp.put(creativeId,lambdaNew);
-                    log.info("svc=calNewLambda creativeId={} lambdaNew={}", creativeId,lambdaNew);
+                    V1CacheItem cacheItem=lambdaCache.getOrDefault(creativeId,new V1CacheItem(creativeId));
+                    conversion=Double.parseDouble(cols[1]);
+                    cpa=Double.parseDouble(cols[2]);
+                    realCost=Double.parseDouble(cols[3]);
+                    Double lambdaNew=1d;
+                    if(conversion<5d){
+                        conversion=1d;
+                    }
+                    latestRealCPA=realCost/conversion;
+                    et=cpa-latestRealCPA;
+                    sumE=cacheItem.sumError+et;
+                    ve=et-(cpa-cacheItem.latestRealCpa);
+                    lambdaNew=kp*et+ki*sumE+kd*ve;
+
+                    if(lambdaNew>cpa) {
+                        lambdaNew=cpa-1;
+                    }
+                    cacheItem.lambda=lambdaNew;
+                    cacheItem.latestRealCpa=latestRealCPA;
+                    cacheItem.sumError=sumE;
+                    cacheItem.latestConv=conversion;
+
+                    temp.put(creativeId,cacheItem);
+
+                    log.info("svc=calNewLambdaV2 creativeId={} lambdaNew={}", creativeId,lambdaNew);
                 }catch (Exception e){
                     e.printStackTrace();
                 }
@@ -116,7 +146,7 @@ public class PidLambdaContainer {
             lambdaCache.clear();
             lambdaCache=temp;
         }catch (Exception e){
-            log.error("svc=calNewLambda status=failed error={}", Arrays.toString(e.getStackTrace()));
+            log.error("svc=calNewLambdaV2 status=failed error={}", Arrays.toString(e.getStackTrace()));
         }
     }
 
@@ -130,7 +160,7 @@ public class PidLambdaContainer {
             this.cacheDate= copyObjectResult.getLastModified();
             client.deleteObject(bucketName, tempFile);
         }catch (Exception e){
-            log.error("svc=writeLambdaFileToOss status=failed error={}", Arrays.toString(e.getStackTrace()));
+            log.error("svc=writeLambdaV2FileToOss status=failed error={}", Arrays.toString(e.getStackTrace()));
             e.printStackTrace();
         }
     }
@@ -148,83 +178,41 @@ public class PidLambdaContainer {
             while ((line=bufferedReader.readLine())!=null){
                 builder.append(line);
             }
-            lambdaCache=JSONObject.parseObject(builder.toString(),new TypeReference<ConcurrentHashMap<Long,Double>>(){});
+            lambdaCache=JSONObject.parseObject(builder.toString(),new TypeReference<ConcurrentHashMap<Long, V1CacheItem>>(){});
             this.cacheDate=object.getObjectMetadata().getLastModified();
         }catch (Exception e){
-            log.error("svc=loadLambdaFile status=failed error={}", Arrays.toString(e.getStackTrace()));
+            log.error("svc=loadLambdaV2File status=failed error={}", Arrays.toString(e.getStackTrace()));
             e.printStackTrace();
         }
     }
 
     public static Double getPidLambda(Long creativeId){
         try {
-            return lambdaCache.getOrDefault(creativeId,1d);
+            return lambdaCache.getOrDefault(creativeId,new V1CacheItem(creativeId)).lambda;
         }catch (Exception e){
             return 1d;
         }
     }
 
-    private  Double getLatestHourLambda(String[] cols){
-        try {
-            Double pctr=Double.parseDouble(cols[9]);
-            Double pcvr=Double.parseDouble(cols[10]);
-            Double ctr=Double.parseDouble(cols[11]);
-            Double cvr=Double.parseDouble(cols[12]);
-            Double lambdaNew=1d;
-            if((pctr*pcvr)==0d||ctr*cvr==0d){
-                lambdaNew=1d;
-            }else {
-                lambdaNew=cvr*ctr/(pctr*pcvr);
-            }
-            //避免异常数据
-            if(lambdaNew>5){
-                lambdaNew=1d;
-            }
-            return lambdaNew;
-        }catch (Exception e){
-            return 1d;
-        }
-    }
 
-    private  Double getTodayLambda(String[] cols){
-        try {
-            Double pctr=Double.parseDouble(cols[5]);
-            Double pcvr=Double.parseDouble(cols[6]);
-            Double ctr=Double.parseDouble(cols[7]);
-            Double cvr=Double.parseDouble(cols[8]);
-            Double lambdaNew=1d;
-            if((pctr*pcvr)==0d||ctr*cvr==0d){
-                lambdaNew=1d;
-            }else {
-                lambdaNew=cvr*ctr/(pctr*pcvr);
-            }
-            if(lambdaNew>3){
-                lambdaNew=1d;
-            }
-            return lambdaNew;
-        }catch (Exception e){
-            return 1d;
+    public static class V1CacheItem{
+
+        public V1CacheItem(){
+
         }
-    }
 
-    private  Double getYesterdayLambda(String[] cols){
-        try {
-            Double pctr=Double.parseDouble(cols[1]);
-            Double pcvr=Double.parseDouble(cols[2]);
-            Double ctr=Double.parseDouble(cols[3]);
-            Double cvr=Double.parseDouble(cols[4]);
-            Double lambdaNew=1d;
-            if((pctr*pcvr)==0d||ctr*cvr==0d){
-                lambdaNew=1d;
-            }else {
-                lambdaNew=cvr*ctr/(pctr*pcvr);
-            }
-            if(lambdaNew>3){
-                lambdaNew=1d;
-            }
-            return lambdaNew;
-        }catch (Exception e){
-            return 1d;
+        public V1CacheItem(Long creativeId){
+            this.creativeId=creativeId;
         }
+
+        public Long creativeId;
+
+        public double lambda=1d;
+
+        public double latestConv=0d;
+
+        public double sumError=0d;
+
+        public double latestRealCpa=0d;
     }
 }