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 <bowen...@offerupnow.com> wrote: > 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 <rmetz...@apache.org> > wrote: > >> 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 <martin.neum...@ri.se> >> wrote: >> >> > I think this easier done in a straw poll than in an email conversation. >> > I created one at: http://www.strawpoll.me/12535073 >> > (Note that you have multiple choices.) >> > >> > >> > Though I prefer Java 8 most of the time I have to work on Java 7. A lot >> of >> > the infrastructure I work on still runs Java 7, one of the companies I >> > build a prototype for a while back just updated to Java 7 2 years ago. I >> > doubt we can ditch Java 7 support any time soon if we want to make it >> easy >> > for companies to use Flink. >> > >> > cheers Martin >> > >> > //PS sorry if this gets sent twice, we just migrated to a new mail >> system >> > and a lot of things are broken >> > >> > ________________________________ >> > From: Stephan Ewen <se...@apache.org> >> > Sent: Wednesday, March 15, 2017 12:30:24 PM >> > To: u...@flink.apache.org; dev@flink.apache.org >> > Subject: [POLL] Who still uses Java 7 with Flink ? >> > >> > Hi all! >> > >> > 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. >> > >> > Thanks, >> > Stephan >> > >> > >> > >> > >> > >> > >