I known the implement of Busy Waiting. it's a death loop like this: //main thread while (true) { msg = msgQueue.next(); msg.runnable.run(); } //....msg queue public Message next() { while (tru...

As everyone may already know, the simplest way to accept incoming TCP connections in C# is by looping over TcpListener.AcceptTcpClient(). Additionally this way will block code execution until a con...

What is the difference between thread state WAIT and thread state BLOCKED? The Thread.State documentation: Blocked A thread that is blocked waiting for a monitor lock is in this state. Waiting A t...

So, if i have understood this correctly, a thread goes into waiting state when we call wait on an object and it goes into blocked state when it is waiting for a lock on an object(like when trying t...

I use a lot of client sends a request to the server about 1000 requests per second a client, the server's CPU soon rose to 600% (8 cores), and always maintain this state. When I use jstack printing...

I have read the answer through the following posting: Difference between WAIT and BLOCKED thread states However, I am still puzzled. I want to know what is the difference on the JVM level an...

i have a problem with my java environement. I'm running Solr 1.3 (search engine) since more then a year now and suddenly i got alot of trouble with it. All my thread pool (250) got randomly blocked...

I just did an automatic update from ICS (4.0.4) to JB (4.1) on my android phone and it introduced multiple garbage collection calls when I run my app: WAIT_FOR_CONCURRENT_GC blocked 30ms I'm str...

i would like to ask if Java will utilize more CPU resources when threads are blocked, i.e. waiting to lock a monitor which is currently being locked by another thread. I am now looking at a thread...

I have a problem with an application running on Fedora Core 6 with JDK 1.5.0_08. After some amount of uptime (usually some days) threads begin getting stuck in native methods. The threads are locke...

I'm working on some application and using ThreadPoolExecutor for handling various tasks. ThreadPoolExecutor is getting stuck after some duration. To simulate this in a simpler environment, I've wri...