+1 for me. We're already using Java 8 in PRD. On Thu, Apr 28, 2016 at 10:45 AM, Yi Pan <nickpa...@gmail.com> wrote:
> I am +1 on the JDK8 move. As Jake has elaborated, there are numerous > advantages from 1.8 source compatible code. > > As for the downside of dropping JDK7 support, obviously, bin > backward-compatibility will be broken. However, moving to JDK8 binary is > not a big effort for JDK7-compatible Java and Scala source code, in term of > compiling and packaging. There is no need for source code change and we > have been building JDK8 binary in LinkedIn and running in production w/ > JDK8 for a long time w/o seeing any issues. > > For users cannot upgrade their runtime JVM version to JDK8 easily, the > latest coming release will still be on JDK7. Question is: how long should > we hold back in waiting for this upgrade? > > Thanks! > > -Yi > > On Wed, Apr 27, 2016 at 6:27 PM, Jacob Maes <jacob.m...@gmail.com> wrote: > > > Hey everyone, > > > > I wanted to start a discussion to see what folks think about moving to > Java > > 1.8 source compatibility at some point after the 10.1 release. > > > > Java 8 has a number of nice features that can help us build more concise, > > maintainable, and robust software. A few notable features that would > > benefit Samza: > > 1. Stream API - provide a compact syntax for expressing transformations > on > > collections. These may be foundational for future API work including > > Operators (SAMZA-914) > > 2. Default Methods - enable us to evolve interfaces without breaking > > compatibility > > 3. Concurrent package enhancements - generally make concurrent > programming > > easier, which will be more important with features like multithreading > > support (SAMZA-863) > > 4. Lambdas - love them or hate them, they do reduce the amount of > > boilerplate code, especially when used in place of anonymous classes. > > > > It certainly would be nice to leverage some of the features above. > However, > > we have historically supported Java versions N and N-1 and it doesn't > look > > like Java 9 is coming until next year. So, discontinuing support for Java > > 1.7 at this point would be a departure from our normal support matrix > for a > > significant period of time. Thoughts on the pros and cons? > > > > I know some folks in this community are still on Java 1.7. How many of > you > > stay up to date with the latest Samza? Do you have a roadmap to move to > > Java 1.8? > > > > Thanks, > > Jake > > >
