The all-in-one package has all the services embedded on top of Cassandra. I think 4G for you VM would be better.

2016-05-25 11:03 GMT+02:00 Austin Kuo <auszon3@gmail.com>:
Hi all,
When I was trying to running the server on my VM (2G memory), it shows 
```
java.lang.OutOfMemoryError
Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x00007f4d913cc000, 12288, 0) failed; error='Cannot allocate memory' (errno=12)
```
Wondering how much memory & CPU is sufficient for it?

Thanks!

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Thomas Segismont
JBoss ON Engineering Team