0
0

商城项目优化业务逻辑通过本地缓存优化压力测试表现-----Jmeter

Jmeter Address already in use错误
windows本身提供的端口
tcp/ip为1024到5000,并且要四分钟来循环回收,导致我们在短时间跑大量的请求把端口占满了

Jmeter Address already in use错误
windows本身提供的端口
tcp/ip为1024到5000,并且要四分钟来循环回收,导致我们在短时间跑大量的请求把端口占满了

影响性能的点包括:
数据库,应用程序,中间件,网络和操作系统
还需要考虑应用是cpu密集型还是io密集型

影响性能的点包括:
数据库,应用程序,中间件,网络和操作系统
还需要考虑应用是cpu密集型还是io密集型

性能测试

测试内容线程数量吞吐量/S90%响应时间99%响应时间Nginx5098847102Gateway5028511092简单服务503798781Gateway简单服务50345115129
中间件越多,性能损失越大,网络IO和磁盘IO会大量吃掉性能

什么数据适合放入缓存
及时性,数据一致性要求不高的数据
访问量大且更新频率不高的数据(读多写少的数据)

什么数据适合放入缓存
及时性,数据一致性要求不高的数据
访问量大且更新频率不高的数据(读多写少的数据)

package com.alatus.mall.product.service.impl;

import com.alatus.mall.product.service.CategoryBrandRelationService;
import com.alatus.mall.product.vo.SubCatalogVo;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.alatus.common.utils.PageUtils;
import com.alatus.common.utils.Query;
import com.alatus.mall.product.dao.CategoryDao;
import com.alatus.mall.product.entity.CategoryEntity;
import com.alatus.mall.product.service.CategoryService;
import org.springframework.transaction.annotation.Transactional;


@Service("categoryService")
public class CategoryServiceImpl extends ServiceImpl<CategoryDao, CategoryEntity> implements CategoryService {
    @Autowired
    private CategoryBrandRelationService categoryBrandRelationService;
    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<CategoryEntity> page = this.page(
                new Query<CategoryEntity>().getPage(params),
                new QueryWrapper<CategoryEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public List<CategoryEntity> listWithTree() {
//        查出所有分类
        List<CategoryEntity> entities = baseMapper.selectList(null);
//        组装父子的树形结构
//        找到一级分类
        List<CategoryEntity> levelMenuOne = entities.stream().filter(categoryEntity ->
            categoryEntity.getParentCid() == 0
        ).map((menu) -> {
            menu.setChildren(getChildren(menu,entities));
            return menu;
        }).sorted((menu1,menu2) -> {
            return (menu1.getSort()==null?0:menu1.getSort()) - (menu2.getSort()==null?0:menu2.getSort());
        }).collect(Collectors.toList());
        return levelMenuOne;
    }

    @Override
    public void removeMenuByIds(List<Long> list) {
//        检查当前删除的菜单,是否被别的地方引用
        baseMapper.deleteBatchIds(list);
    }

    @Override
    public Long[] findCatelogPath(Long catelogId) {
        List<Long> paths = new ArrayList<>();
        List<Long> parentPath = findParent(catelogId, paths);
        Collections.reverse(parentPath);
        return (Long[])parentPath.toArray(new Long[parentPath.size()]);
    }

//    级联更新所有数据
    @Override
    @Transactional
    public void updateCascade(CategoryEntity category) {
        this.updateById(category);
        categoryBrandRelationService.updateCategory(category.getCatId(),category.getName());
    }

    @Override
    public List<CategoryEntity> getLevelCategories(Integer catLevel) {
        return baseMapper.selectList(new QueryWrapper<CategoryEntity>().eq("cat_level", catLevel));
    }

    @Override
    public Map<String, List<SubCatalogVo>> getCatalogJson() {
        List<CategoryEntity> categories = baseMapper.selectList(null);
//        所有一级分类
        List<CategoryEntity> levelCategories = getParentCid(categories,0L);;
//        封装数据
        Map<String, List<SubCatalogVo>> subCatalogVosMap = levelCategories.stream().collect(Collectors.toMap(k -> k.getCatId().toString(),v -> {
            List<CategoryEntity> entities = getParentCid(categories,v.getCatId());
            List<SubCatalogVo> subCatalogVos = null;
            if(entities!=null&&!entities.isEmpty()){
                subCatalogVos = entities.stream().map(item -> {
//                    找三级分类
                    List<CategoryEntity> inCategories = getParentCid(categories,item.getCatId());
                    SubCatalogVo subCatalogVo = new SubCatalogVo(v.getCatId().toString(),null, item.getCatId().toString(), item.getName());
                    if(inCategories!=null&&!inCategories.isEmpty()){
//                        封装成指定格式
                        List<SubCatalogVo.InCatalogVo> inCatalogVos = inCategories.stream().map(inCategory -> {
                            SubCatalogVo.InCatalogVo inCatalogVo = new SubCatalogVo.InCatalogVo(item.getCatId().toString(),inCategory.getCatId().toString(),inCategory.getName());
                            return inCatalogVo;
                        }).collect(Collectors.toList());
                        subCatalogVo.setCatalog3List(inCatalogVos);
                    }
                    return subCatalogVo;
                }).collect(Collectors.toList());
            }
            return subCatalogVos;
        }));
        return subCatalogVosMap;
    }

    private List<CategoryEntity> getParentCid(List<CategoryEntity> categories,Long catId) {
        return categories.stream().filter(item -> item.getParentCid() == catId).collect(Collectors.toList());
    }

    private List<Long> findParent(Long catelogId,List<Long> paths){
//        查出当前分类的ID
//        收集当前节点ID
        paths.add(catelogId);
        CategoryEntity id = this.getById(catelogId);
        if(id.getParentCid() != 0){
//            递归查找,每次都从父节点获取
            findParent(id.getParentCid(),paths);
        }
        return paths;
    }

    //    递归查找所有菜单的子菜单
    private List<CategoryEntity> getChildren(CategoryEntity root,List<CategoryEntity> all){
        List<CategoryEntity> children = all.stream().filter(categoryEntity -> {
            return categoryEntity.getParentCid() == root.getCatId();
        }).map(categoryEntity -> {
            categoryEntity.setChildren(getChildren(categoryEntity,all));
            return categoryEntity;
        }).sorted((menu1,menu2) ->{
            return (menu1.getSort()==null?0:menu1.getSort()) - (menu2.getSort()==null?0:menu2.getSort());
        }).collect(Collectors.toList());
        return children;
    }

}

package com.alatus.mall.product.service.impl;

import com.alatus.mall.product.service.CategoryBrandRelationService;
import com.alatus.mall.product.vo.SubCatalogVo;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.alatus.common.utils.PageUtils;
import com.alatus.common.utils.Query;
import com.alatus.mall.product.dao.CategoryDao;
import com.alatus.mall.product.entity.CategoryEntity;
import com.alatus.mall.product.service.CategoryService;
import org.springframework.transaction.annotation.Transactional;


@Service("categoryService")
public class CategoryServiceImpl extends ServiceImpl<CategoryDao, CategoryEntity> implements CategoryService {
    @Autowired
    private CategoryBrandRelationService categoryBrandRelationService;
    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<CategoryEntity> page = this.page(
                new Query<CategoryEntity>().getPage(params),
                new QueryWrapper<CategoryEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public List<CategoryEntity> listWithTree() {
//        查出所有分类
        List<CategoryEntity> entities = baseMapper.selectList(null);
//        组装父子的树形结构
//        找到一级分类
        List<CategoryEntity> levelMenuOne = entities.stream().filter(categoryEntity ->
            categoryEntity.getParentCid() == 0
        ).map((menu) -> {
            menu.setChildren(getChildren(menu,entities));
            return menu;
        }).sorted((menu1,menu2) -> {
            return (menu1.getSort()==null?0:menu1.getSort()) - (menu2.getSort()==null?0:menu2.getSort());
        }).collect(Collectors.toList());
        return levelMenuOne;
    }

    @Override
    public void removeMenuByIds(List<Long> list) {
//        检查当前删除的菜单,是否被别的地方引用
        baseMapper.deleteBatchIds(list);
    }

    @Override
    public Long[] findCatelogPath(Long catelogId) {
        List<Long> paths = new ArrayList<>();
        List<Long> parentPath = findParent(catelogId, paths);
        Collections.reverse(parentPath);
        return (Long[])parentPath.toArray(new Long[parentPath.size()]);
    }

//    级联更新所有数据
    @Override
    @Transactional
    public void updateCascade(CategoryEntity category) {
        this.updateById(category);
        categoryBrandRelationService.updateCategory(category.getCatId(),category.getName());
    }

    @Override
    public List<CategoryEntity> getLevelCategories(Integer catLevel) {
        return baseMapper.selectList(new QueryWrapper<CategoryEntity>().eq("cat_level", catLevel));
    }

    @Override
    public Map<String, List<SubCatalogVo>> getCatalogJson() {
        List<CategoryEntity> categories = baseMapper.selectList(null);
//        所有一级分类
        List<CategoryEntity> levelCategories = getParentCid(categories,0L);;
//        封装数据
        Map<String, List<SubCatalogVo>> subCatalogVosMap = levelCategories.stream().collect(Collectors.toMap(k -> k.getCatId().toString(),v -> {
            List<CategoryEntity> entities = getParentCid(categories,v.getCatId());
            List<SubCatalogVo> subCatalogVos = null;
            if(entities!=null&&!entities.isEmpty()){
                subCatalogVos = entities.stream().map(item -> {
//                    找三级分类
                    List<CategoryEntity> inCategories = getParentCid(categories,item.getCatId());
                    SubCatalogVo subCatalogVo = new SubCatalogVo(v.getCatId().toString(),null, item.getCatId().toString(), item.getName());
                    if(inCategories!=null&&!inCategories.isEmpty()){
//                        封装成指定格式
                        List<SubCatalogVo.InCatalogVo> inCatalogVos = inCategories.stream().map(inCategory -> {
                            SubCatalogVo.InCatalogVo inCatalogVo = new SubCatalogVo.InCatalogVo(item.getCatId().toString(),inCategory.getCatId().toString(),inCategory.getName());
                            return inCatalogVo;
                        }).collect(Collectors.toList());
                        subCatalogVo.setCatalog3List(inCatalogVos);
                    }
                    return subCatalogVo;
                }).collect(Collectors.toList());
            }
            return subCatalogVos;
        }));
        return subCatalogVosMap;
    }

    private List<CategoryEntity> getParentCid(List<CategoryEntity> categories,Long catId) {
        return categories.stream().filter(item -> item.getParentCid() == catId).collect(Collectors.toList());
    }

    private List<Long> findParent(Long catelogId,List<Long> paths){
//        查出当前分类的ID
//        收集当前节点ID
        paths.add(catelogId);
        CategoryEntity id = this.getById(catelogId);
        if(id.getParentCid() != 0){
//            递归查找,每次都从父节点获取
            findParent(id.getParentCid(),paths);
        }
        return paths;
    }

    //    递归查找所有菜单的子菜单
    private List<CategoryEntity> getChildren(CategoryEntity root,List<CategoryEntity> all){
        List<CategoryEntity> children = all.stream().filter(categoryEntity -> {
            return categoryEntity.getParentCid() == root.getCatId();
        }).map(categoryEntity -> {
            categoryEntity.setChildren(getChildren(categoryEntity,all));
            return categoryEntity;
        }).sorted((menu1,menu2) ->{
            return (menu1.getSort()==null?0:menu1.getSort()) - (menu2.getSort()==null?0:menu2.getSort());
        }).collect(Collectors.toList());
        return children;
    }

}
标签： 微服务 spring boot 后端
本文转载自: https://blog.csdn.net/2201_75960169/article/details/140663428
版权归原作者 旧约Alatus 所有， 如有侵权，请联系我们删除。
登录后发布评论

“商城项目优化业务逻辑通过本地缓存优化压力测试表现-----Jmeter”的评论:

还没有评论
关于作者
...
overfit同步小助手
文章同步
相关阅读

Nginx 实现会话保持的方式配置

新日撸java三百行` 新手小白java学习记录 `Day1

Python入门（7）--高级函数特性详解

技术周总结 11.11~11.17 周日(Js JVM XML)

TheadLocal出现的内存泄漏具体泄漏的是什么？弱引用在里面有什么作用？什么情景什么问题？

内容补充页(相关公式解释)

从0开始学习机器学习--Day26--聚类算法

文章导航