Helen Huang created AMQCPP-451:
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Summary: The number of CMS threads increases when we restart the
message broker repeatedly
Key: AMQCPP-451
URL: https://issues.apache.org/jira/browse/AMQCPP-451
Project: ActiveMQ C++ Client
Issue Type: Bug
Affects Versions: 3.5.0
Environment: windows xp
Reporter: Helen Huang
Assignee: Timothy Bish
Priority: Critical
Fix For: 3.5.0
The number of CMS threads increases when we restart the message broker
repeatedly. We have ten senders and ten receivers in out test. Every sender
sends out 10-20 messages every second. We restart the broker every 1 minute.
The number of threads in CMS grew from about 50 to 600 after about 15 hours of
testing. The attached dump was created after we ran two hours of test. From the
dump we find a large number of threads are stuck at the following place:
Function Source
ntdll!KiFastSystemCallRet
ntdll!ZwWaitForSingleObject+c
kernel32!WaitForSingleObjectEx+a8
kernel32!WaitForSingleObject+12
activemq_cppud!decaf::internal::util::concurrent::PlatformThread::interruptibleWaitOnCondition+25
activemq_cppud!`anonymous namespace'::threadEntryMethod+9b
msvcr80d!_callthreadstartex+51
msvcr80d!_threadstartex+87
kernel32!BaseThreadStart+37
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