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-   -   Virtualization VS physical server (http://www.datacentertalk.com/forum/showthread.php?t=19539)

tom 06-17-2009 04:31 PM

Virtualization VS physical server
 
Our company is moving from pysical server to virtualization servers. We found that there are memory problem when we launch java application. Do you think moving to virtualization is good? We use solaris and redhat.

Alexandre 06-29-2009 05:39 PM

Yes, java requires lots of RAM

Viki 09-16-2009 07:21 AM

Quote:

Originally Posted by tom (Post 27897)
Our company is moving from pysical server to virtualization servers. We found that there are memory problem when we launch java application. Do you think moving to virtualization is good? We use solaris and redhat.

Use Xen based virtualization since it would give you dedicated RAM resources to your VPS. Also, make sure that you have enough RAM to run the Java based programs as they consume much memory resources.

Jamson 10-01-2009 11:51 AM

I'm not sure if Xen would work, but the fact it allocates swap could be a helpful feature for what you are doing.

directspace 04-07-2010 12:14 PM

We host many Java apps on our VMware ESX setup. We have a 2x dual core Xeon, 12GB RAM, and a RAID-5 setup. Works awesome for all our internal apps.

izumi777 05-13-2010 04:01 AM

Java is best in dedicated server. It requires a lot of resources.

eilert 12-04-2010 07:27 AM

Yes Java application is really good and also requires more memory due to its JVM. So usage of virtualization for that is good approach.

eilert 01-11-2011 04:57 PM

Quote:

Originally Posted by directspace (Post 32980)
We host many Java apps on our VMware ESX setup. We have a 2x dual core Xeon, 12GB RAM, and a RAID-5 setup. Works awesome for all our internal apps.

Yeah, that is good when you have lot of RAMs, an RAID 5 setup is another good thing. It really needs lot of resources.

oral1139 01-12-2011 06:46 AM

As I'm sure you know Java applications have more memory overhead due to them being ran in the Java virtual machine themselves.
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rooney 01-12-2011 02:18 PM

We run our java applications on REDHAT boxes and all of them are running from VMware ESX server, we don't have memory issue. Also, you can easily upgrade it, if you want more RAM.


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