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From Aaron Morton <>
Subject Re: JVM OOM on node startup
Date Tue, 30 Nov 2010 20:41:10 GMT
Looks like it's trying to load your row cache and running out of memory, probably because you
reduced the memory. The script would have been giving it 2GB. 1Gb heap is
probably going to be to small. 

Was this the same error you were getting before you reduced the memory ? 

Try deleting the caches, the path is specified by the saved_caches_directory setting in cassandra.yaml. 

Also what version are you using ? The error Caused by:
No such attribute: ActiveCount reminds me of a problem in beta 1. 

Hope that helps. 

On 01 Dec, 2010,at 09:28 AM, Brayton Thompson <> wrote:

Hello again.
We have 3 nodes and were testing what happens when a node goes down. There is roughly 10gb
of data on each node. The node we "simulated" dieing was working just fine under the load.
Then we killed it. The ring performed admirably, But upon restarting the node it dies every
time of JVM OOM errors. I have forced a JVM heap size of 1024mb in the startup file. (did
this because adaptive heap size was causing oom errors with normal usage.) The machines are
2 core 4gb ram vm's.

I've read the Riptano troubleshooting guide...
But im not sure if these apply in this case since it is only dieing on startup.

Here is a link to the startup logs as it dies.

Thank you for any help you can provide.
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