I am forced to using Java on my server and I am having a headache installing Java. I have an automated deployment script which installs the software and needs to be run to reinstall the server regularly in the cloud.

I am so stuck on which route to go down. So my question is, am I right to be concerned about the performance of OpenJDK? I am using this for a SOLR search server.

The current three options

 - Easy to automate install
 - Fairly fast
 - Fairly stable

Sun JDK6
 - Easy to automate install
 - Fairly fast
 - Fairly stable

Oracle JDK7
 - Nearly impossible to automate install
 - Fast 
 - Stable


A. http://opengeo.org/publications/geoserver-production/


B. http://research.geodan.nl/2012/10/openjdk7-vs-oracle-jdk7-with-geoserver/

Performance 2

C. http://blog.gonzih.me/blog/2013/04/14/clojure-on-raspberry-pi-openjdk-vs-oracle-java-8/

  • 3
    In JDK7, the implementation code of OpenJDK 7 and Oracle JDK 7 is nearly identical in all but a very limited number of cases, primarily to do with desktop-things (media coding and such). There is no reason that I can fathom that OpenJDK 7 would be slower than Oracle JDK 7. May 10, 2013 at 15:01

2 Answers 2


No need for compromises!

sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java7-installer

There are also development builds of Java 8 available.

sudo apt-get install oracle-java8-installer
  • 1
    How reliable is this third party plugin repo though? I can't help but get the feeling that one day it just wont be there and it will break my production site
    – J.Zil
    May 10, 2013 at 15:33
  • It's been around for about a year so far (Original Announcement) and still kicking strong. You're right in that like any 3rd party PPA, it may go offline or stop getting updates; I would definitely keep a mirror of the repo to be on the safe side to guard against the site going down, and re-evaluate your solution if Oracle breaks the packages by moving links or something. Easily installing Oracle's JDKs is a pretty big thing, so I'd imagine that someone else would take up the mantle quickly enough. May 10, 2013 at 15:39

Best way to go is to use this sites repository as it can also update your Oracle Java without a hitch. http://www.duinsoft.nl/packages.php Their repository is for Debian and derivatives.

cheers Roesjka

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