我们的大多数jboss线程处于BLOCKED状态，并且jboss的线程数永远不会降低。
想要了解如何降低线程数，以及为什么这些线程处于BLOCKED状态。
我们有450个处于BLOCKED状态的线程中的380个。
使用以下内容查找状态
awk '/state / { print $5}' < tdump-231.log | sort | uniq -c
384 BLOCKED)
68 IN_NATIVE)
Thread 31554: (state = BLOCKED)
- java.lang.Object.wait(long) @bci=0 (Compiled frame; information may be imprecise)
- java.lang.Object.wait() @bci=2, line=485 (Compiled frame)
- org.apache.tomcat.util.net.JIoEndpoint$Worker.await() @bci=8, line=885 (Compiled frame)
- org.apache.tomcat.util.net.JIoEndpoint$Worker.run() @bci=11, line=911 (Compiled frame)
- java.lang.Thread.run() @bci=11, line=662 (Interpreted frame)
Thread 31553: (state = BLOCKED)
- java.lang.Object.wait(long) @bci=0 (Compiled frame; information may be imprecise)
- java.lang.Object.wait() @bci=2, line=485 (Compiled frame)
- org.apache.tomcat.util.net.JIoEndpoint$Worker.await() @bci=8, line=885 (Compiled frame)
- org.apache.tomcat.util.net.JIoEndpoint$Worker.run() @bci=11, line=911 (Compiled frame)
- java.lang.Thread.run() @bci=11, line=662 (Interpreted frame)
Thread 31552: (state = BLOCKED)
- java.lang.Object.wait(long) @bci=0 (Compiled frame; information may be imprecise)
- java.lang.Object.wait() @bci=2, line=485 (Compiled frame)
- org.apache.tomcat.util.net.JIoEndpoint$Worker.await() @bci=8, line=885 (Compiled frame)
- org.apache.tomcat.util.net.JIoEndpoint$Worker.run() @bci=11, line=911 (Compiled frame)
- java.lang.Thread.run() @bci=11, line=662 (Interpreted frame)
Thread 31551: (state = BLOCKED)
- java.lang.Object.wait(long) @bci=0 (Compiled frame; information may be imprecise)
- java.lang.Object.wait() @bci=2, line=485 (Compiled frame)
- org.apache.tomcat.util.net.JIoEndpoint$Worker.await() @bci=8, line=885 (Compiled frame)
- org.apache.tomcat.util.net.JIoEndpoint$Worker.run() @bci=11, line=911 (Compiled frame)
- java.lang.Thread.run() @bci=11, line=662 (Interpreted frame)
Thread 31550: (state = BLOCKED)
- java.lang.Object.wait(long) @bci=0 (Compiled frame; information may be imprecise)
- java.lang.Object.wait() @bci=2, line=485 (Compiled frame)
- org.apache.tomcat.util.net.JIoEndpoint$Worker.await() @bci=8, line=885 (Compiled frame)
- org.apache.tomcat.util.net.JIoEndpoint$Worker.run() @bci=11, line=911 (Compiled frame)
- java.lang.Thread.run() @bci=11, line=662 (Interpreted frame)