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From Igor Katkov <ikat...@gmail.com>
Subject Re: Help! Serious crash!
Date Wed, 07 Oct 2009 18:20:44 GMT
I had similar OutOfMemory issues, see "commit logs are not deleted"  thread,
but it was fixed/commited to trunk.
What I don't get is how your commit log segment grows beyond threshold.

>Is it really nescessary to have as much RAM as you have data?!?!?
No, I was able to insert 50Gb worth of data with 3Gb cap


On Wed, Oct 7, 2009 at 2:16 PM, Dan Larsen <dan@techba.se> wrote:

> Sorry about that... running 0.4 taken from trunk.I didn't
> change CommitLogRotationThresholdInMB - it's still 128
>
> Thanks!
>
> On 07/10/2009, at 20.12, Igor Katkov wrote:
>
> What version are you running? Take 0.4 from trunk.
> Default config has
>   <CommitLogRotationThresholdInMB>128</CommitLogRotationThresholdInMB>
> Did you change it allow your commit log chunks be 1Gb?
>
> On Wed, Oct 7, 2009 at 1:38 PM, Dan Larsen <dan@techba.se> wrote:
>
>> Hi guys,
>>
>> I have a small setup with 3 macs running os x snow leopard and the native
>> java 1.6.0.something.something ;-)
>> I am doing a lot of inserts, without any problems and I can read the data
>> again.
>>
>> But....
>> At some point, around 1G Commitlog size, cassandra starts a rise in ram
>> usage, untill it just stops responding - if I restart the server, with or
>> without -b, it will just usae 100% cpu for 10-15 mins and then stop with
>> this message:
>> Another problem, is that it seems to kill other servers too, when I try to
>> restart :-(
>>
>> java.lang.OutOfMemoryError: Java heap space
>> Dumping heap to java_pid53353.hprof ...
>> Heap dump file created [1164687070 bytes in 89.912 secs]
>>
>> ERROR - Fatal exception in thread Thread[RMI TCP Connection(idle),5,RMI
>> Runtime]
>> java.lang.OutOfMemoryError: Java heap space
>>        at java.io.BufferedInputStream.<init>(BufferedInputStream.java:178)
>>        at java.io.BufferedInputStream.<init>(BufferedInputStream.java:158)
>>        at
>> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:679)
>>        at
>> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
>>        at
>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>>        at
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>>        at java.lang.Thread.run(Thread.java:637)
>> ERROR - Fatal exception in thread Thread[main,5,main]
>> java.lang.OutOfMemoryError: Java heap space
>> ERROR - Fatal exception in thread Thread[RMI TCP Connection(idle),5,RMI
>> Runtime]
>> java.lang.OutOfMemoryError: Java heap space
>>        at java.lang.Class.getDeclaredMethods0(Native Method)
>>        at java.lang.Class.privateGetDeclaredMethods(Class.java:2427)
>>        at java.lang.Class.getDeclaredMethod(Class.java:1935)
>>        at
>> java.io.ObjectStreamClass.getPrivateMethod(ObjectStreamClass.java:1382)
>>        at java.io.ObjectStreamClass.access$1700(ObjectStreamClass.java:52)
>>        at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:438)
>>        at java.security.AccessController.doPrivileged(Native Method)
>>        at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:413)
>>        at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:310)
>>        at
>> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106)
>>        at
>> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
>>        at
>> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
>>        at
>> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
>>        at
>> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
>>        at
>> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
>>        at java.util.ArrayList.writeObject(ArrayList.java:570)
>>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>        at
>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>        at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>        at java.lang.reflect.Method.invoke(Method.java:597)
>>        at
>> java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:945)
>>        at
>> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1461)
>>        at
>> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
>>        at
>> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
>>        at
>> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
>>        at sun.rmi.server.UnicastRef.marshalValue(UnicastRef.java:274)
>>        at
>> sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:315)
>>        at sun.rmi.transport.Transport$1.run(Transport.java:159)
>>        at java.security.AccessController.doPrivileged(Native Method)
>>        at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
>>        at
>> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
>>        at
>> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
>> ERROR - Fatal exception in thread Thread[RMI TCP Connection(idle),5,RMI
>> Runtime]
>>
>> [ABOVE REPEATS A COUPLE OF TIMES]
>>
>> If I try to connect with nodeprobe, after it halts, I will just get this:
>>
>> Error connecting to remote JMX agent!
>> java.io.IOException: Failed to retrieve RMIServer stub:
>> javax.naming.ServiceUnavailableException [Root exception is
>> java.rmi.ConnectException: Connection refused to host: 192.168.100.203;
>> nested exception is:
>>        java.net.ConnectException: Connection refused]
>>        at
>> javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:338)
>>        at
>> javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:248)
>>        at org.apache.cassandra.tools.NodeProbe.connect(NodeProbe.java:152)
>>        at org.apache.cassandra.tools.NodeProbe.<init>(NodeProbe.java:114)
>>        at org.apache.cassandra.tools.NodeProbe.main(NodeProbe.java:545)
>> Caused by: javax.naming.ServiceUnavailableException [Root exception is
>> java.rmi.ConnectException: Connection refused to host: 192.168.100.203;
>> nested exception is:
>>        java.net.ConnectException: Connection refused]
>>        at
>> com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:101)
>>        at
>> com.sun.jndi.toolkit.url.GenericURLContext.lookup(GenericURLContext.java:185)
>>        at javax.naming.InitialContext.lookup(InitialContext.java:392)
>>        at
>> javax.management.remote.rmi.RMIConnector.findRMIServerJNDI(RMIConnector.java:1886)
>>        at
>> javax.management.remote.rmi.RMIConnector.findRMIServer(RMIConnector.java:1856)
>>        at
>> javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:257)
>>        ... 4 more
>> Caused by: java.rmi.ConnectException: Connection refused to host:
>> 192.168.100.203; nested exception is:
>>        java.net.ConnectException: Connection refused
>>        at
>> sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:601)
>>        at
>> sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:198)
>>        at
>> sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:184)
>>        at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:322)
>>        at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
>>        at
>> com.sun.jndi.rmi.registry.RegistryContext.lookup(RegistryContext.java:97)
>>        ... 9 more
>> Caused by: java.net.ConnectException: Connection refused
>>        at java.net.PlainSocketImpl.socketConnect(Native Method)
>>        at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
>>        at
>> java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
>>        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
>>        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:432)
>>        at java.net.Socket.connect(Socket.java:525)
>>        at java.net.Socket.connect(Socket.java:475)
>>        at java.net.Socket.<init>(Socket.java:372)
>>        at java.net.Socket.<init>(Socket.java:186)
>>        at
>> sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:22)
>>        at
>> sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:128)
>>        at
>> sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:595)
>>        ... 14 more
>>
>>
>> I know i responds as supposed, before the crash.
>>
>> Hope somebody can help! :-)
>>
>> Best regards
>> Dan Larsen
>>
>
>
>

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