Re: [infinispan-dev] Avoid Collections.emptySet() / emptyMap() / emptyList
Hi Sanne,
With tight deliverable windows and escalating feature needs, I don't have the
bandwidth to test and deploy a new container, much less a new JDK. On my roadmap, moving
to Java 7 and AS7/EAP6 is slated for sometime in mid-2013.
I don't think I'm unique in this as well, so any performance enhancements for
older environments (like this one -- whether JBMAR or ISPN handles it) are very welcomed.
Erik
-----Original Message-----
From: infinispan-dev-bounces(a)lists.jboss.org
[mailto:infinispan-dev-bounces@lists.jboss.org] On Behalf Of Sanne Grinovero
Sent: Friday, October 19, 2012 6:45 PM
To: infinispan -Dev List
Subject: Re: [infinispan-dev] Avoid Collections.emptySet() / emptyMap() / emptyList
Hi Erik,
interesting, I'm sure several people will still use Java6 for a while but wasn't
expecting you did, as you can both carefully test your environment and are aiming to top
performance. There are several more performance goodies in Java7... could you share why
you're on 6 ?
On 19 October 2012 21:23, Erik Salter <an1310(a)hotmail.com> wrote:
From: infinispan-dev-bounces(a)lists.jboss.org
[mailto:infinispan-dev-bounces@lists.jboss.org] On Behalf Of Dan
Berindei
Sent: Friday, October 19, 2012 3:55 PM
To: infinispan -Dev List
Subject: Re: [infinispan-dev] Avoid Collections.emptySet() /
emptyMap() / emptyList
On Fri, Oct 19, 2012 at 7:50 PM, Tristan Tarrant <ttarrant(a)redhat.com>
wrote:
On 10/19/2012 06:28 PM, Dan Berindei wrote:
> Galder, what JDK are you using? OpenJDK 1.7 uses
> EmptyIterator.EMPTY_ITERATOR since 2007:
>
>
> http://hg.openjdk.java.net/jdk7/jdk7/jdk/annotate/37a05a11f281/src/sh
> are/classes/java/util/Collections.java
>
> I don't have JDK 1.6 sources on hand to check, but I don't think it's
> worth optimizing for such an old version anyway.
An old version which is probably in use in most production
environments :)
If they aren't ready to upgrade to JDK7, I doubt they're willing to
upgrade to Infinispan 5.2 :)
FYI, I’m using ISPN 5.2 on JDK6 (on a hacked up JBossESB container).
Plus who knows what wacky configurations you’re supporting on the JDG side.
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