Update FilterService: use CostMonitor

long-article-recommend-service/src/main/java/com/tzld/longarticle/recommend/server/service/recommend/filter/FilterService.java

@@ -1,5 +1,6 @@
 package com.tzld.longarticle.recommend.server.service.recommend.filter;
 
+import com.tzld.longarticle.recommend.server.common.CostMonitor;
 import com.tzld.longarticle.recommend.server.common.ThreadPoolFactory;
 import com.tzld.longarticle.recommend.server.common.enums.recommend.RankStrategyEnum;
 import com.tzld.longarticle.recommend.server.model.dto.Content;
@@ -44,7 +45,7 @@ public class FilterService {
                     long t1 = System.currentTimeMillis();
                     FilterResult ret = strategy.filter(param);
                     long t2 = System.currentTimeMillis();
-                    log.info("Filter {} cost: {}", strategy.getClass().getSimpleName(), t2 - t1);
+                    CostMonitor.logCost("Filter", strategy.getClass().getSimpleName(), t2 - t1);
                     return ret;
                 } finally {
                     cdl.countDown();