自定义连接池慢（JAVA）？

Question

For my project,we are asked to implement our own connectionpooling. We are NOT allowed to used PGPoolingDataSource from jdbc. When I used the jdbc pooling my program is very fast, with my own connection pool its unpredictable and much slower. My connection makes some tasks wait for a long time,something that doesnt happen with jdbc pooling.

I am using Arrayblockingqueue for my implementation of connection pool, I just create a pre said number of connections and then I let clients borrow and put them back.

I mean this seems to make sense to me,and it works. But its slow and sometimes the tasks take forever to get done,is there anyway I could improve it? Make it faster more reliable?

Answer 1

您使用了错误的数据结构来存储连接ArrayBlockingQueue是FIFO结构，它会减慢您的处理速度，使用ConcurrentLinkedQueue是这样做的合理且较快的选择。