Chan Chen Coding...

     摘要: jps類(lèi)似linux的ps命令，不同的是ps是用來(lái)顯示進(jìn)程，而jps只顯示java進(jìn)程，準(zhǔn)確的說(shuō)是當(dāng)前用戶(hù)已啟動(dòng)的部分java進(jìn)程信息，信息包括進(jìn)程號(hào)和簡(jiǎn)短的進(jìn)程command。  閱讀全文

     摘要: 一次取多值的性能要高于多次取值  閱讀全文

     摘要: java memcached client源碼，總的代碼量還是很少的.主要是如下兩個(gè)類(lèi): MemcachedClient.java 和 SockIOPool.java
  閱讀全文

     摘要: consistent hashing 算法早在 1997 年就在論文 Consistent hashing and random trees 中被提出，目前在 cache 系統(tǒng)中應(yīng)用越來(lái)越廣泛；  閱讀全文

     摘要: Resource usage could prove critical at times for heavy-duty applications. Some famous Websites have shut down because of their inability to handle heavy loads. Most problems related to heavy loads can be handled, at a macro level, using clustering and load-balancing capabilities. Concerns remain at the application level with respect to excessive object creation and the availability of limited server resources like memory, CPU, threads, and database connections, which could represent potential bo  閱讀全文