[JBoss JIRA] (JGRP-1663) TimeScheduler3 could spawn too many threads
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[
https://issues.jboss.org/browse/JGRP-1663?page=com.atlassian.jira.plugin....
]
Igor Mazur commented on JGRP-1663:
----------------------------------
Thread that took a lock:
Timer temp thread-13011,global,_index-subscriber tid=13619 [RUNNABLE] [DAEMON]
java.net.Socket.connect(SocketAddress, int)
org.jgroups.util.Util.connect(Socket, SocketAddress, int)
org.jgroups.blocks.TCPConnectionMap$TCPConnection.connect(SocketAddress)
org.jgroups.blocks.TCPConnectionMap$Mapper.getConnection(Address)
org.jgroups.blocks.TCPConnectionMap.send(Address, byte[], int, int)
org.jgroups.protocols.TCP.send(Address, byte[], int, int)
org.jgroups.protocols.BasicTCP.sendUnicast(PhysicalAddress, byte[], int, int)
org.jgroups.protocols.TP.sendToSingleMember(Address, byte[], int, int)
org.jgroups.protocols.TP.doSend(Buffer, Address, boolean)
org.jgroups.protocols.TP.send(Message, Address, boolean)
org.jgroups.protocols.TP.down(Event)
org.jgroups.protocols.Discovery$1.run()
org.jgroups.util.TimeScheduler3$Task.run()
java.lang.Thread.run()
About other settings, I will try them. Thank you!
TimeScheduler3 could spawn too many threads
-------------------------------------------
Key: JGRP-1663
URL: https://issues.jboss.org/browse/JGRP-1663
Project: JGroups
Issue Type: Bug
Affects Versions: 3.3.3
Reporter: Igor Mazur
Assignee: Bela Ban
Priority: Optional
Fix For: 3.4
Attachments: global.xml, site.xml
With default timer thread pool settings this code could spawn thousands of threads:
protected void submitToPool(final Task entry) {
try {
pool.execute(entry);
}
catch(RejectedExecutionException rejected) { // only thrown if rejection policy
is "abort"
Thread thread=timer_thread_factory != null?
timer_thread_factory.newThread(entry, "Timer temp thread")
: new Thread(entry, "Timer temp thread");
thread.start();
}
}
On my environment I got 19000 threads.
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Igor Mazur (JIRA)