Tag Archives: jdbc

在开发人人网海量存储系统Nuclear的过程中，使用到mysql引擎，用了spring+dbcp+jdbc，在压力测试的过程中出现了问题。 在追踪java stack的过程中发现如下的问题： java.lang.Thread.State: RUNNABLE at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(SocketInputStream.java:129) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:113) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:188) - locked <0x00002aaab9b2b0d8> (a com.mysql.jdbc.util.ReadAheadInputStream) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2494) at com.mysql.jdbc.MysqlIO.reuseAndReadPacke

Continue reading →