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                            ## 基于Redis的布隆過濾器
1. 將布隆過濾器設置為一個單獨的進程;
2. 可以使用Redis的位圖來構建布隆過濾器;

![](https://img.kancloud.cn/45/92/4592cfc151f724df5fb8c4312507957b_2768x1242.png)

## 實現方法(需要自己編碼)
1. 定義布隆過濾器構造參數:m,n,k,誤差概率;
2. 定義布隆過濾器操作函數:add和contain;
3. 封裝Redis位圖操作;
4. 開發測試樣例;



## 基于Redis單機實現存在的問題
1. 速度慢:比本地慢,輸在網絡; 可以單獨部署,與應用同機房甚至機架部署;
2. 容量受限:Redis最大字符串為512M,Redis單容量;
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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