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I wanna know about max thread number for one application.
You know Thread.activeCount() returns the number of active Threads in the running Thread's group and its subgroups.
If I can know the max number of threads to create in current activity, I can limit active threads.
I am using thread for http connection and catching Http response.
Thanks in advance.
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The maximum threads setting specifies the maximum number of simultaneous transactions that the Web Server can handle. The default value is greater of 128 or the number of processors in the system. Changes to this value can be used to throttle the server, minimizing latencies for the transactions that are performed.
The number of running threads per application instance is limited to 10 420. Reaching this limit can cause performance issues.
pid_max value of 131072 above means the kernel can execute a maximum of 131,072 processes simultaneously.
A single CPU core can have up-to 2 threads per core. For example, if a CPU is dual core (i.e., 2 cores) it will have 4 threads.
There is no maximum enforced by code that I am aware of. That being said, even for network I/O, diminishing returns will set in fairly quickly, since the CPU speed of Android devices is fairly small, and RAM is fairly limited.
Please consider using AsyncTask instead of your own threads. This uses a thread pool set up by Android, and so it will use a pool size that the core Android team believes is effective for the platform.
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