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From Jordan Zimmerman <jor...@jordanzimmerman.com>
Subject Re: OOM/no more threads?
Date Mon, 09 Jul 2012 03:08:23 GMT
I'm not sure which of the instances went down, but it could be a few weeks.

-JZ

On Jul 8, 2012, at 8:06 PM, Camille Fournier wrote:

> Yeah a tickle in the back of my mind says that this is a JVM bug. When was
> the last time you restarted these instances?
> 
> C
> 
> On Sun, Jul 8, 2012 at 11:04 PM, Jordan Zimmerman <
> jordan@jordanzimmerman.com> wrote:
> 
>> It's not really out of memory. It's "unable to create new native thread".
>> It appears to have to do with JMX (notice the RMI).
>> 
>> -JZ
>> 
>> On Jul 8, 2012, at 7:43 PM, Camille Fournier wrote:
>> 
>>> Not known specifically that I know of. Can you give us more details? Did
>>> you actually run out of memory? File descriptors? What does a heap dump
>>> tell you?
>>> 
>>> C
>>> 
>>> On Sun, Jul 8, 2012 at 10:29 PM, Jordan Zimmerman <
>>> jordan@jordanzimmerman.com> wrote:
>>> 
>>>> Is this a known issue in 3.3.3? If so, is it fixed in 3.3.5?
>>>> 
>>>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: WARNING: RMI TCP
>>>> Accept-0: accept loop for ServerSocket[addr=
>>>> 0.0.0.0/0.0.0.0,port=0,localport=59462] throws
>>>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: Jul 8, 2012
>> 11:01:28
>>>> PM sun.rmi.transport.tcp.TCPTransport$AcceptLoop executeAcceptLoop
>>>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: at
>>>> java.lang.Thread.run(Thread.java:636)
>>>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: at
>>>> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:359)
>>>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: at
>>>> 
>> sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:402)
>>>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: at
>>>> 
>> java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1336)
>>>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: at
>>>> 
>> java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:943)
>>>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: at
>>>> java.lang.Thread.start(Thread.java:614)
>>>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server: at
>>>> java.lang.Thread.start0(Native Method)
>>>> Sun Jul 08 23:01:28 GMT 2012 ERROR ZooKeeper Server:
>>>> java.lang.OutOfMemoryError: unable to create new native thread
>>>> 
>>>> 
>> 
>> 


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