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From "Gordon Sim (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (QPID-5793) [C++ broker] Memory leak _and_ deadlock due to qpid.auto_delete_timeout queues
Date Fri, 30 May 2014 14:23:01 GMT

     [ https://issues.apache.org/jira/browse/QPID-5793?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gordon Sim reassigned QPID-5793:
--------------------------------

    Assignee: Gordon Sim

> [C++ broker] Memory leak _and_ deadlock due to qpid.auto_delete_timeout queues
> ------------------------------------------------------------------------------
>
>                 Key: QPID-5793
>                 URL: https://issues.apache.org/jira/browse/QPID-5793
>             Project: Qpid
>          Issue Type: Bug
>          Components: C++ Broker
>    Affects Versions: 0.26
>            Reporter: Pavel Moravec
>            Assignee: Gordon Sim
>
> Description of problem:
> There is a memory leak in the broker when a client declares auto-delete queue with qpid.auto_delete_timeout
and re-connects just at the time the broker is about to delete the queue.
> Version-Release number of selected component (if applicable):
> any
> How reproducible:
> 100% within some time
> Steps to Reproduce:
> 1) Run script:
> queues=100
> sleep=0
> while true; do
> 	for i in $(seq 1 $queues); do
> 		qpid-receive -a "autoDelQueue_${i}; {create:always, node:{ x-declare:{auto-delete:True,
arguments:{'qpid.auto_delete_timeout':1}}, x-bindings:[{exchange:'amq.fanout', queue:autoDelQueue_${i}}]
}}" --print-content=no -m 10 &
> 	done
> 	wait
> 	sleep $sleep
> 	date
> done
> Modify parameters (esp. sleep) such that the loop is executed once every second.
> 2) Monitor qpid broker memory utilization over time.
> Actual results:
> Both VSZ and RSS of qpidd process grows.
> Expected results:
> No memory grow.
> Additional info:
> the memory consumption increase is followed after a while by deadlock (see below) that
- depending on number of worker threads - can practically freeze the broker. Backtraces of
relevant threads:
> Thread 4 (Thread 0x7fc08e803700 (LWP 26576)):
> #0  0x00000032c4c0e264 in __lll_lock_wait () from /lib64/libpthread.so.0
> #1  0x00000032c4c09523 in _L_lock_892 () from /lib64/libpthread.so.0
> #2  0x00000032c4c09407 in pthread_mutex_lock () from /lib64/libpthread.so.0
> #3  0x00007fc08f2e4842 in qpid::sys::Mutex::lock() ()
> #4  0x00007fc08f2e4900 in qpid::sys::ScopedLock<qpid::sys::Mutex>::ScopedLock(qpid::sys::Mutex&)
()
> #5  0x00007fc08f38bec5 in qpid::broker::Queue::canAutoDelete() const ()
> #6  0x00007fc08f39d0bd in bool boost::_mfi::cmf0<bool, qpid::broker::Queue>::call<boost::shared_ptr<qpid::broker::Queue>
const>(boost::shared_ptr<qpid::broker::Queue> const&, void const*) const ()
> #7  0x00007fc08f39c2ef in bool boost::_mfi::cmf0<bool, qpid::broker::Queue>::operator()<boost::shared_ptr<qpid::broker::Queue>
>(boost::shared_ptr<qpid::broker::Queue> const&) const ()
> #8  0x00007fc08f39b117 in bool boost::_bi::list1<boost::_bi::value<boost::shared_ptr<qpid::broker::Queue>
> >::operator()<bool, boost::_mfi::cmf0<bool, qpid::broker::Queue>, boost::_bi::list0>(boost::_bi::type<bool>,
boost::_mfi::cmf0<bool, qpid::broker::Queue>&, boost::_bi::list0&, long) ()
> #9  0x00007fc08f39974b in boost::_bi::bind_t<boost::_bi::unspecified, boost::_mfi::cmf0<bool,
qpid::broker::Queue>, boost::_bi::list1<boost::_bi::value<boost::shared_ptr<qpid::broker::Queue>
> > >::operator()() ()
> #10 0x00007fc08f397593 in bool qpid::broker::QueueRegistry::destroyIf<boost::_bi::bind_t<boost::_bi::unspecified,
boost::_mfi::cmf0<bool, qpid::broker::Queue>, boost::_bi::list1<boost::_bi::value<boost::shared_ptr<qpid::broker::Queue>
> > > >(std::basic_string<char, std::char_traits<char>, std::allocator<char>
> const&, boost::_bi::bind_t<boost::_bi::unspecified, boost::_mfi::cmf0<bool,
qpid::broker::Queue>, boost::_bi::list1<boost::_bi::value<boost::shared_ptr<qpid::broker::Queue>
> > >) ()
> #11 0x00007fc08f38ed3e in qpid::broker::Queue::tryAutoDelete() ()
> #12 0x00007fc08f395a78 in qpid::broker::AutoDeleteTask::fire() ()
> #13 0x00007fc08ecb9847 in qpid::sys::TimerTask::fireTask() ()
> #14 0x00007fc08ecbaaa1 in qpid::sys::Timer::fire(boost::intrusive_ptr<qpid::sys::TimerTask>)
()
> #15 0x00007fc08ecba3d5 in qpid::sys::Timer::run() ()
> #16 0x00007fc08ec3b597 in qpid::sys::(anonymous namespace)::runRunnable(void*) ()
> #17 0x00000032c4c079d1 in start_thread () from /lib64/libpthread.so.0
> #18 0x00000032c44e8b6d in clone () from /lib64/libc.so.6
> Thread 3 (Thread 0x7fc08cdcd700 (LWP 26577)):
> #0  0x00000032c4c0e264 in __lll_lock_wait () from /lib64/libpthread.so.0
> #1  0x00000032c4c09523 in _L_lock_892 () from /lib64/libpthread.so.0
> #2  0x00000032c4c09407 in pthread_mutex_lock () from /lib64/libpthread.so.0
> #3  0x00007fc08f2e4842 in qpid::sys::Mutex::lock() ()
> #4  0x00007fc08f2e4900 in qpid::sys::ScopedLock<qpid::sys::Mutex>::ScopedLock(qpid::sys::Mutex&)
()
> #5  0x00007fc08f38f3a3 in qpid::broker::Queue::hasExclusiveOwner() const ()
> #6  0x00007fc08f346459 in qpid::broker::Broker::bind(std::basic_string<char, std::char_traits<char>,
std::allocator<char> > const&, std::basic_string<char, std::char_traits<char>,
std::allocator<char> > const&, std::basic_string<char, std::char_traits<char>,
std::allocator<char> > const&, qpid::framing::FieldTable const&, qpid::broker::OwnershipToken
const*, std::basic_string<char, std::char_traits<char>, std::allocator<char>
> const&, std::basic_string<char, std::char_traits<char>, std::allocator<char>
> const&) ()
> #7  0x00007fc08f462d55 in qpid::broker::SessionAdapter::ExchangeHandlerImpl::bind(std::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&, std::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&, std::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&, qpid::framing::FieldTable
const&) ()
> #8  0x00007fc08ebd15d5 in void qpid::framing::ExchangeBindBody::invoke<qpid::framing::AMQP_ServerOperations::ExchangeHandler>(qpid::framing::AMQP_ServerOperations::ExchangeHandler&)
const ()
> #9  0x00007fc08ebcf1f5 in qpid::framing::AMQP_ServerOperations::ExchangeHandler::Invoker::visit(qpid::framing::ExchangeBindBody
const&) ()
> #10 0x00007fc08ebdcb7c in qpid::framing::ExchangeBindBody::accept(qpid::framing::MethodBodyConstVisitor&)
const ()
> #11 0x00007fc08ebcd5a2 in qpid::framing::AMQP_ServerOperations::Invoker::visit(qpid::framing::ExchangeBindBody
const&) ()
> #12 0x00007fc08ebdcb7c in qpid::framing::ExchangeBindBody::accept(qpid::framing::MethodBodyConstVisitor&)
const ()
> #13 0x00007fc08f475545 in qpid::framing::Invoker::Result qpid::framing::invoke<qpid::broker::SessionAdapter>(qpid::broker::SessionAdapter&,
qpid::framing::AMQMethodBody const&) ()
> #14 0x00007fc08f47152f in qpid::broker::SessionState::handleCommand(qpid::framing::AMQMethodBody*)
()
> #15 0x00007fc08f4722ba in qpid::broker::SessionState::handleIn(qpid::framing::AMQFrame&)
()
> #16 0x00007fc08f47a0a5 in qpid::framing::Handler<qpid::framing::AMQFrame&>::MemFunRef<qpid::framing::Handler<qpid::framing::AMQFrame&>::InOutHandlerInterface,
&(qpid::framing::Handler<qpid::framing::AMQFrame&>::InOutHandlerInterface::handleIn(qpid::framing::AMQFrame&))>::handle(qpid::framing::AMQFrame&)
() #17 0x00007fc08ec7b6c7 in qpid::amqp_0_10::SessionHandler::handleIn(qpid::framing::AMQFrame&)
()
> #18 0x00007fc08f47a0a5 in qpid::framing::Handler<qpid::framing::AMQFrame&>::MemFunRef<qpid::framing::Handler<qpid::framing::AMQFrame&>::InOutHandlerInterface,
&(qpid::framing::Handler<qpid::framing::AMQFrame&>::InOutHandlerInterface::handleIn(qpid::framing::AMQFrame&))>::handle(qpid::framing::AMQFrame&)
() #19 0x00007fc08f3ce456 in qpid::framing::Handler<qpid::framing::AMQFrame&>::operator()(qpid::framing::AMQFrame&)
()
> #20 0x00007fc08f3ca064 in qpid::broker::ConnectionHandler::handle(qpid::framing::AMQFrame&)
()
> #21 0x00007fc08f3c0a2e in qpid::broker::amqp_0_10::Connection::received(qpid::framing::AMQFrame&)
()
> #22 0x00007fc08f329780 in qpid::amqp_0_10::Connection::decode(char const*, unsigned long)
()
> #23 0x00007fc08f43b015 in qpid::broker::SecureConnection::decode(char const*, unsigned
long) ()
> #24 0x00007fc08ecb031b in qpid::sys::AsynchIOHandler::readbuff(qpid::sys::AsynchIO&,
qpid::sys::AsynchIOBufferBase*) ()
> #25 0x00007fc08f4d8534 in boost::_mfi::mf2<void, qpid::sys::AsynchIOHandler, qpid::sys::AsynchIO&,
qpid::sys::AsynchIOBufferBase*>::operator()(qpid::sys::AsynchIOHandler*, qpid::sys::AsynchIO&,
qpid::sys::AsynchIOBufferBase*) const ()
> #26 0x00007fc08f4d7272 in void boost::_bi::list3<boost::_bi::value<qpid::sys::AsynchIOHandler*>,
boost::arg<1>, boost::arg<2> >::operator()<boost::_mfi::mf2<void, qpid::sys::AsynchIOHandler,
qpid::sys::AsynchIO&, qpid::sys::AsynchIOBufferBase*>, boost::_bi::list2<qpid::sys::AsynchIO&,
qpid::sys::AsynchIOBufferBase*&> >(boost::_bi::type<void>, boost::_mfi::mf2<void,
qpid::sys::AsynchIOHandler, qpid::sys::AsynchIO&, qpid::sys::AsynchIOBufferBase*>&,
boost::_bi::list2<qpid::sys::AsynchIO&, qpid::sys::AsynchIOBufferBase*&>&,
int) ()
> #27 0x00007fc08f4d6704 in void boost::_bi::bind_t<void, boost::_mfi::mf2<void,
qpid::sys::AsynchIOHandler, qpid::sys::AsynchIO&, qpid::sys::AsynchIOBufferBase*>,
boost::_bi::list3<boost::_bi::value<qpid::sys::AsynchIOHandler*>, boost::arg<1>,
boost::arg<2> > >::operator---Type <return> to continue, or q <return>
to quit---
> ()<qpid::sys::AsynchIO, qpid::sys::AsynchIOBufferBase*>(qpid::sys::AsynchIO&,
qpid::sys::AsynchIOBufferBase*&) ()
> #28 0x00007fc08f4d59dd in boost::detail::function::void_function_obj_invoker2<boost::_bi::bind_t<void,
boost::_mfi::mf2<void, qpid::sys::AsynchIOHandler, qpid::sys::AsynchIO&, qpid::sys::AsynchIOBufferBase*>,
boost::_bi::list3<boost::_bi::value<qpid::sys::AsynchIOHandler*>, boost::arg<1>,
boost::arg<2> > >, void, qpid::sys::AsynchIO&, qpid::sys::AsynchIOBufferBase*>::invoke(boost::detail::function::function_buffer&,
qpid::sys::AsynchIO&, qpid::sys::AsynchIOBufferBase*) ()
> #29 0x00007fc08ec233dc in boost::function2<void, qpid::sys::AsynchIO&, qpid::sys::AsynchIOBufferBase*>::operator()(qpid::sys::AsynchIO&,
qpid::sys::AsynchIOBufferBase*) const ()
> #30 0x00007fc08ec204cc in qpid::sys::posix::AsynchIO::readable(qpid::sys::DispatchHandle&)
()
> #31 0x00007fc08ec283da in boost::_mfi::mf1<void, qpid::sys::posix::AsynchIO, qpid::sys::DispatchHandle&>::operator()(qpid::sys::posix::AsynchIO*,
qpid::sys::DispatchHandle&) const ()
> #32 0x00007fc08ec2772b in void boost::_bi::list2<boost::_bi::value<qpid::sys::posix::AsynchIO*>,
boost::arg<1> >::operator()<boost::_mfi::mf1<void, qpid::sys::posix::AsynchIO,
qpid::sys::DispatchHandle&>, boost::_bi::list1<qpid::sys::DispatchHandle&>
>(boost::_bi::type<void>, boost::_mfi::mf1<void, qpid::sys::posix::AsynchIO, qpid::sys::DispatchHandle&>&,
boost::_bi::list1<qpid::sys::DispatchHandle&>&, int) ()
> #33 0x00007fc08ec26a1c in void boost::_bi::bind_t<void, boost::_mfi::mf1<void,
qpid::sys::posix::AsynchIO, qpid::sys::DispatchHandle&>, boost::_bi::list2<boost::_bi::value<qpid::sys::posix::AsynchIO*>,
boost::arg<1> > >::operator()<qpid::sys::DispatchHandle>(qpid::sys::DispatchHandle&)
()
> #34 0x00007fc08ec259f9 in boost::detail::function::void_function_obj_invoker1<boost::_bi::bind_t<void,
boost::_mfi::mf1<void, qpid::sys::posix::AsynchIO, qpid::sys::DispatchHandle&>,
boost::_bi::list2<boost::_bi::value<qpid::sys::posix::AsynchIO*>, boost::arg<1>
> >, void, qpid::sys::DispatchHandle&>::invoke(boost::detail::function::function_buffer&,
qpid::sys::DispatchHandle&) ()
> #35 0x00007fc08ecb4332 in boost::function1<void, qpid::sys::DispatchHandle&>::operator()(qpid::sys::DispatchHandle&)
const ()
> #36 0x00007fc08ecb38f8 in qpid::sys::DispatchHandle::processEvent(qpid::sys::Poller::EventType)
()
> #37 0x00007fc08ec48692 in qpid::sys::Poller::Event::process() ()
> #38 0x00007fc08ec47990 in qpid::sys::Poller::run() ()
> #39 0x00007fc08ecb24d9 in qpid::sys::Dispatcher::run() ()
> #40 0x00007fc08ec3b597 in qpid::sys::(anonymous namespace)::runRunnable(void*) ()
> #41 0x00000032c4c079d1 in start_thread () from /lib64/libpthread.so.0
> #42 0x00000032c44e8b6d in clone () from /lib64/libc.so.6
> (I saw variants of Thread 3 waiting on the lock acquire, e.g. within:
> #3  0x00007fc08ecb9c00 in qpid::sys::TimerTask::cancel() ()
> #4  0x00007fc08f389cb8 in qpid::broker::Queue::consume(..)
> )



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