I would like to get a feeling how much Java 7 is still being used among Flink users.
At some point, it would be great to drop Java 7 support and make use of Java 8's new features, but first we would need to get a feeling how much Java 7 is still used.
Would be happy if users on Java 7 respond here, or even users that have some insights into how widespread they think Java 7 still is.
I've put it also on our Twitter account: https://twitter.com/ApacheFlink/status/842015062667755521
On Wed, Mar 15, 2017 at 2:19 PM, Martin Neumann <[hidden email]> wrote:
I think this easier done in a straw poll than in an email conversation.
There's always a tradeoff we need to make. I'm in favor of upgrading to Java 8 to bring in all new Java features.
The common way I've seen (and I agree) other software upgrading major things like this is 1) upgrade for next big release without backward compatibility and notify everyone 2) maintain and patch current, old-tech compatible version at a reasonably limited scope. Building backward compatibility is too much for an open sourced project
On Wed, Mar 15, 2017 at 7:10 AM, Robert Metzger <[hidden email]> wrote:
I've put it also on our Twitter account:
Looks like 9% on twitter and 24% on the mailing list are still using Java 7.
I would vote to keep supporting Java 7 for Flink 1.3 and then revisit once we are approaching 1.4 in September.
On Thu, Mar 16, 2017 at 8:00 AM, Bowen Li <[hidden email]> wrote:
Thanks for the report. Shouldn’t we be revisiting this decision at the beginning of the new release cycle rather than near the end? There is currently little cost to staying with Java 7 since no Flink code or pull requests have been written for Java 8.
Yeah, you are right :)
I'll put something in my calendar for end of May.
On Thu, Mar 23, 2017 at 12:12 PM, Greg Hogan <[hidden email]> wrote:
Whether those are relevant is up for debate.
i.e. slower moving organizations (banks etc.) which could be on Java 7 still.
Hello all,I'm sure you've considered this already, but what this data does not include is all the potential future users,
On Thu, Mar 23, 2017 at 12:14 PM, Robert Metzger <[hidden email]> wrote:
as promised in March, I want to revive this discussion!
Our users are begging for Scala 2.12 support , migration to Akka 2.4 would solve a bunch of shading / dependency issues (Akka 2.4 will remove Akka's protobuf dependency ) and generally Java 8's new language features all speak for dropping Java 7.
Java 8 has been released in March, 2014. Java 7 is unsupported since June 2016.
So what's the feeling in the community regarding the step?
On Thu, Mar 23, 2017 at 2:42 PM, Theodore Vasiloudis <[hidden email]> wrote:
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