I hoped you could give me some piece of code isolating the issue, in a
way I could execute a script and see exactly what you're seeing.

On Wed, Dec 4, 2024 at 11:00 AM Dragan J <draga...@flipside.team> wrote:
>
> I have already sent the output of the memory suspect analysis before.
> 1,254 instances of
> “org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl”,
> loaded by “java.net.URLClassLoader @ 0x400000000” occupy 527,112,720
> (73.68%) bytes.
>
> I created the new 2 test servers with 1,000 CoreBridges between them,
> killed the Java process for the Artemis server, and monitored the memory
> heap on the client over time (through JConsole). A memory heap increase was
> noticed again.
> The archived servers (both the client and server) along with a screenshot
> of the memory heap (G1 Old Gen) can be found at:
> https://drive.google.com/file/d/1TBMUV31JbTvZwDF0P2teX0PSCIA_C1kn/view?usp=drive_link
> https://drive.google.com/file/d/1iJ1O9PLlL_8XnIbMvE7mTBrz26mhce0I/view?usp=sharing
> https://drive.google.com/file/d/1-eItVKsubvQXnbyNQI2Jj88hh1kJK0lM/view?usp=sharing
>
> Please note that the installation of Artemis 2.38 should be in the /opt
> folder.
>
> Thanks,
> Dragan
>
>
> On Wed, Dec 4, 2024 at 7:02 AM Clebert Suconic <clebert.suco...@gmail.com>
> wrote:
>
> > Do you have a test showing the issue ?
> >
> >
> > check Leak has an interface to count instances.  If you provide a way to
> > reproduce the issue (a test with embedded server would be best) I will help
> > out.
> >
> > Clebert Suconic
> >
> >
> > On Tue, Dec 3, 2024 at 9:03 AM Dragan J <draga...@flipside.team> wrote:
> >
> > > Hi guys,
> > >
> > > Do you have any updates on this?
> > >
> > > Thanks,
> > > Dragan
> > >
> > > On Tue, Nov 26, 2024 at 4:27 PM Dragan J <draga...@flipside.team> wrote:
> > >
> > > > @justin, please try rebooting the server with an Artemis broker (the
> > > > source) that connects to another broker (the destination), which must
> > run
> > > > on a different server.
> > > > The brokers exchange messages between them, but the volume is very low
> > > > since this is a development environment.
> > > > A memory leak is observed a few hours later on the destination server
> > > > (running Artemis 2.38).
> > > >
> > > > @Clebert  The provided check-leak code is not straightforward to
> > > > implement. Could you please refer me to some instructions on how to do
> > > it?
> > > >
> > > >
> > > >
> > > > On Fri, Nov 22, 2024 at 3:00 PM Dragan J <draga...@flipside.team>
> > wrote:
> > > >
> > > >> @Clebert Unfortunately, the business requirement is to use
> > CoreBridges.
> > > >> @Justin We tested with 1000 CoreBridges, and a memory leak remains.
> > > >> Here is "the problem suspect" from the Memory Analyzer (a heap dump
> > > >> analyzed):
> > > >>
> > > >>
> > > >> 1,254 instances of
> > > >>
> > >
> > “org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl”,
> > > >> loaded by “java.net.URLClassLoader @ 0x400000000” occupy 527,112,720
> > > >> (73.68%) bytes.
> > > >>
> > > >> Biggest instances:
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x40d81e128 - 17,669,864 (2.47%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x409926c00 - 17,643,464 (2.47%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x411b0b320 - 17,624,664 (2.46%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x401fdb948 - 17,614,232 (2.46%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x4099afd28 - 17,606,640 (2.46%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x409895e10 - 17,599,608 (2.46%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x40d9e35e0 - 17,597,288 (2.46%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x409b1a978 - 17,581,512 (2.46%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x409969ad8 - 17,579,656 (2.46%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x40d9e5088 - 17,559,432 (2.45%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x410fa8d80 - 17,552,744 (2.45%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x404db4d38 - 17,547,832 (2.45%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x4197b64f0 - 17,529,272 (2.45%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x409a03058 - 17,521,432 (2.45%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x411b55168 - 17,495,208 (2.45%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x40b0b3c30 - 17,481,480 (2.44%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x4084fe4b0 - 17,478,696 (2.44%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x4195a5dc8 - 17,476,840 (2.44%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x419725708 - 17,472,008 (2.44%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x409a441c8 - 17,453,176 (2.44%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x404d89060 - 17,434,424 (2.44%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x40f875d80 - 17,425,144 (2.44%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x4102071f8 - 17,408,104 (2.43%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x40d9e34f8 - 17,383,576 (2.43%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x409926318 - 17,374,568 (2.43%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x409a7cde8 - 17,318,888 (2.42%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x40aadd150 - 17,285,208 (2.42%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x40d81ba08 - 17,273,880 (2.41%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x40070d068 - 17,223,032 (2.41%) bytes.
> > > >>
> > >
> > •org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> @ 0x41bea4538 - 17,146,936 (2.40%) bytes.
> > > >>
> > > >> Most of these instances are referenced from one instance of
> > > >>
> > >
> > “org.apache.activemq.artemis.core.remoting.server.impl.RemotingServiceImpl”,
> > > >> loaded by “java.net.URLClassLoader @ 0x400000000”, which occupies
> > 7,008
> > > >> (0.00%) bytes.
> > > >>
> > > >> Thread
> > > >>
> > >
> > “org.apache.activemq.artemis.core.remoting.server.impl.RemotingServiceImpl$FailureCheckAndFlushThread
> > > >> @ 0x405ffd540 activemq-failure-check-thread” has a local variable or
> > > >> reference to
> > > >>
> > >
> > “org.apache.activemq.artemis.core.remoting.server.impl.RemotingServiceImpl
> > > >> @ 0x401a42658” which is on the shortest path to
> > > >>
> > >
> > “org.apache.activemq.artemis.core.remoting.server.impl.RemotingServiceImpl
> > > >> @ 0x401a42658”. The thread
> > > >>
> > >
> > org.apache.activemq.artemis.core.remoting.server.impl.RemotingServiceImpl$FailureCheckAndFlushThread
> > > >> @ 0x405ffd540 activemq-failure-check-thread keeps local variables with
> > > >> total size 328 (0.00%) bytes.
> > > >>
> > > >> The stacktrace of this Thread is available. See stacktrace. See
> > > >> stacktrace with involved local variables.
> > > >>
> > > >> Keywords
> > > >>
> > >
> > org.apache.activemq.artemis.core.protocol.core.impl.RemotingConnectionImpl
> > > >> java.net.URLClassLoader
> > > >>
> > > org.apache.activemq.artemis.core.remoting.server.impl.RemotingServiceImpl
> > > >>
> > > >> Thanks,
> > > >> Dragan
> > > >>
> > > >>
> > > >> On Tue, Nov 19, 2024 at 12:13 PM Dragan J <draga...@flipside.team>
> > > wrote:
> > > >>
> > > >>> Hey Justin,
> > > >>>
> > > >>> Here are the answers:
> > > >>> - Are all the bridges configured the same way? How exactly are they
> > > >>> configured?
> > > >>> Yes, they are configured the same way.
> > > >>> The CoreBridge configuration is attached to
> > > >>>
> > >
> > https://drive.google.com/file/d/1VEwj1MoB2tbcCp8R4XeQTzi80Q0dQ606/view?usp=sharing
> > > >>>
> > > >>> - Is the bridge target available when you see this increase happen?
> > > >>> The bridges are connected from the client side to the server (with
> > the
> > > >>> 2.38 Artemis version)
> > > >>> - Are the bridges actually moving messages when you see the increase
> > or
> > > >>> are they idle?
> > > >>> Most of the time, messages are idle.
> > > >>> - Are 3,500 bridges actually required to trigger the increase? Do
> > you,
> > > >>> for
> > > >>> example, not see the increase if you use 3,000 bridges? What about
> > > 1,000
> > > >>> or
> > > >>> 100?
> > > >>> We tested with 3500 CoreBridges in the development environment, and I
> > > >>> should ask for permission to close some connections.
> > > >>> If you require it, I would ask for that kind of permission.
> > > >>>
> > > >>> Thanks,
> > > >>> Dragan
> > > >>>
> > > >>> On Mon, Nov 18, 2024 at 2:43 PM Dragan J <draga...@flipside.team>
> > > wrote:
> > > >>>
> > > >>>> Can you access the screenshots?
> > > >>>>
> > > >>>> On Thu, Nov 14, 2024 at 10:18 AM Dragan J <draga...@flipside.team>
> > > >>>> wrote:
> > > >>>>
> > > >>>>> Sorry, a typo. It's 3,500 CoreBridges
> > > >>>>>
> > > >>>>> On Thu, Nov 14, 2024 at 10:14 AM Dragan J <draga...@flipside.team>
> > > >>>>> wrote:
> > > >>>>>
> > > >>>>>> @Justin The broker (version 2.38) communicates with other brokers
> > > >>>>>> (version 2.37) through 35,000 CoreBridges. There was minimal
> > message
> > > >>>>>> exchange between them.
> > > >>>>>> Please find the two graphs (from earlier) attached on my Google
> > > >>>>>> Drive. Please let me know if you have an alternative way to share
> > > files.
> > > >>>>>>
> > > >>>>>>
> > >
> > https://drive.google.com/file/d/1Gy8XQi153Fi5Zm9gUdsP_co8fSuh1HjL/view?usp=sharing
> > > >>>>>>
> > > >>>>>>
> > >
> > https://drive.google.com/file/d/1_Fbg8OmWhlsOKfalfIEwKxGIl97a1kQ5/view?usp=sharing
> > > >>>>>>
> > > >>>>>> @Arthur When I tried to perform a GC from JConsole I got the
> > > >>>>>> following:
> > > >>>>>>
> > > >>>>>> Exception in thread "MemoryPanel.gc" java.lang.SecurityException:
> > > >>>>>> User not authorized to access operation: gc
> > > >>>>>>
> > > >>>>>
> > >
> >



-- 
Clebert Suconic

---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscr...@activemq.apache.org
For additional commands, e-mail: dev-h...@activemq.apache.org
For further information, visit: https://activemq.apache.org/contact


Reply via email to