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From Gary Dusbabek <gdusba...@gmail.com>
Subject Re: Requiring Java 8 for C* 3.0
Date Thu, 07 May 2015 16:22:44 GMT
+1

On Thu, May 7, 2015 at 11:09 AM, Jonathan Ellis <jbellis@gmail.com> wrote:

> We discussed requiring Java 8 previously and decided to remain Java
> 7-compatible, but at the time we were planning to release 3.0 before Java 7
> EOL.  Now that 8099 and increased emphasis on QA have delayed us past Java
> 7 EOL, I think it's worth reopening this discussion.
>
> If we require 8, then we can use lambdas, LongAdder, StampedLock, Streaming
> collections, default methods, etc.  Not just in 3.0 but over 3.x for the
> next year.
>
> If we don't, then people can choose whether to deploy on 7 or 8 -- but the
> vast majority will deploy on 8 simply because 7 is no longer supported
> without a premium contract with Oracle.  8 also has a more advanced G1GC
> implementation (see CASSANDRA-7486).
>
> I think that gaining access to the new features in 8 as we develop 3.x is
> worth losing the ability to run on a platform that will have been EOL for a
> couple months by the time we release.
>
> --
> Jonathan Ellis
> Project Chair, Apache Cassandra
> co-founder, http://www.datastax.com
> @spyced
>

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