Identify three valid BPEL thread pools.
A.
Engine
B.
Callback
C.
Invoke
D.
System
E.
Service
Explanation:
BPEL Threading Model
When the dispatcher must schedule a dispatch message for execution, it can enqueue the
message into a thread pool. Each dispatch set can contain a thread pool
(java.util.concurrent.ThreadPoolExecutor). The BPEL thread pool implementation notifies the
threads when a message has been enqueued and ensures the appropriate number of threads are
instantiated in the pool.
The following thread properties can be tuned:
(C) Dispatcher Invoke Threads
(D) Dispatcher System Threads
Dispatcher Maximum Request Depth
A, B, D
Why callback ?
A, C, D
http://docs.oracle.com/cd/E21764_01/core.1111/e10108/bpel.htm#ASPER99866
A, C and D are correct.
http://docs.oracle.com/cd/E21764_01/core.1111/e10108/bpel.htm#ASPER99865
A, C and D.
When the dispatcher must schedule a dispatch message for execution, it can enqueue the message into a thread pool. Each dispatch set can contain a thread pool (java.util.concurrent.ThreadPoolExecutor). The BPEL thread pool implementation notifies the threads when a message has been enqueued and ensures the appropriate number of threads are instantiated in the pool.
The following thread properties can be tuned:
Dispatcher Invoke Threads
Dispatcher Engine Threads
Dispatcher System Threads
Dispatcher Maximum Request Depth.
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ACD