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From Edward Capriolo <edlinuxg...@gmail.com>
Subject Re: Why do Datastax docs recommend Java 6?
Date Wed, 06 Feb 2013 15:07:59 GMT
Oracle already did this once, It was called jrockit :)
http://www.oracle.com/technetwork/middleware/jrockit/overview/index.html

Typically oracle acquires they technology and then the bits are merged with
the standard JVM.

On Wed, Feb 6, 2013 at 2:13 AM, Viktor Jevdokimov <
Viktor.Jevdokimov@adform.com> wrote:

>  I would prefer Oracle to own an Azul’s Zing JVM over any other (GC) to
> provide it for free for anyone :)
>
>
>    Best regards / Pagarbiai
> *Viktor Jevdokimov*
> Senior Developer
>
> Email: Viktor.Jevdokimov@adform.com
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>   *From:* jeffpk@gmail.com [mailto:jeffpk@gmail.com]
> *Sent:* Wednesday, February 06, 2013 02:23
> *To:* user@cassandra.apache.org
> *Subject:* Re: Why do Datastax docs recommend Java 6?
>
>
>
> Oracle now owns the sun hotspot team, which is inarguably the highest
> powered java vm team in the world. Its still really the epicenter of all
> java vm development.
>
> Sent from my Verizon Wireless BlackBerry
>  ------------------------------
>
> *From: *"Ilya Grebnov" <ilya@metricshub.com>
>
> *Date: *Tue, 5 Feb 2013 14:09:33 -0800
>
> *To: *<user@cassandra.apache.org>
>
> *ReplyTo: *user@cassandra.apache.org
>
> *Subject: *RE: Why do Datastax docs recommend Java 6?
>
>
>
> Also, what is particular reason to use Oracle JDK over Open JDK? Sorry, I
> could not find this information online.
>
>
>
> Thanks,
>
> Ilya
>
> *From:* Michael Kjellman [mailto:mkjellman@barracuda.com<mkjellman@barracuda.com>]
>
> *Sent:* Tuesday, February 05, 2013 7:29 AM
> *To:* user@cassandra.apache.org
> *Subject:* Re: Why do Datastax docs recommend Java 6?
>
>
>
> There have been tons of threads/convos on this.
>
>
>
> In the early days of Java 7 it was pretty unstable and there was pretty
> much no convincing reason to use Java 7 over Java 6.
>
>
>
> Now that Java 7 has stabilized and Java 6 is EOL it's a reasonable
> decision to use Java 7 and we do it in production with no issues to speak
> of.
>
>
>
> That being said there was one potential situation we've seen as a
> community where bootstrapping new node was using 3x more CPU and getting
> significantly less throughput. However, reproducing this consistently never
> happened AFAIK.
>
>
>
> I think until more people use Java 7 in production and prove it doesn't
> cause any additional bugs/performance issues Datastax will update their
> docs. Until now I'd say it's a safe bet to use Java 7 with Vanilla C*
> 1.2.1. I hope this helps!
>
>
>
> Best,
>
> Michael
>
>
>
> *From: *Baron Schwartz <baron@xaprb.com>
> *Reply-To: *"user@cassandra.apache.org" <user@cassandra.apache.org>
> *Date: *Tuesday, February 5, 2013 7:21 AM
> *To: *"user@cassandra.apache.org" <user@cassandra.apache.org>
> *Subject: *Why do Datastax docs recommend Java 6?
>
>
>
> The Datastax docs repeatedly say (e.g.
> http://www.datastax.com/docs/1.2/install/install_jre) that Java 7 is not
> recommended, but they don't say why. It would be helpful to know this. Does
> anyone know?
>
>
>
> The same documentation is referenced from the Cassandra wiki, for example,
> http://wiki.apache.org/cassandra/GettingStarted
>
>
>
> - Baron
>

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