1.磁盘I/O那些事 2.kafka文件存储那些事 3.消息队列设计精要 4. MySQL索引原理及慢查询优化 建索引的几大原则 1.最左前缀匹配原则,非常重要的原则,mysql会一直向右匹配直到遇到范围查询(>、<、between、like)就停止匹配,比如a = 1 and b = 2 and Read More
SOCK is a TCP/IP level proxy protocol, not HTTP. It is not supported by HttpClient out of the box. One can customize HttpClient to establish connectio Read More
入口ByteBuffer.allocateDirect public static ByteBuffer allocateDirect(int capacity) { return new DirectByteBuffer(capacity); } DirectByteBuffer构造函数 Dire Read More
That is because your web application has a memory leak. A common issue are "PermGen" memory leaks. They happen because the Classloader (and the Class Read More