[POLL] Who still uses Java 7 with Flink ?

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[POLL] Who still uses Java 7 with Flink ?

Stephan Ewen
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




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Re: [POLL] Who still uses Java 7 with Flink ?

rmetzger0
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.
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 <[hidden email]>
Sent: Wednesday, March 15, 2017 12:30:24 PM
To: [hidden email]; [hidden email]
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





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Re: [POLL] Who still uses Java 7 with Flink ?

bowen.li
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:
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.
> 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 <[hidden email]>
> Sent: Wednesday, March 15, 2017 12:30:24 PM
> To: [hidden email]; [hidden email]
> 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
>
>
>
>
>

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Re: [POLL] Who still uses Java 7 with Flink ?

rmetzger0
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:
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:
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.
> 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 <[hidden email]>
> Sent: Wednesday, March 15, 2017 12:30:24 PM
> To: [hidden email]; [hidden email]
> 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
>
>
>
>
>


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Re: [POLL] Who still uses Java 7 with Flink ?

Greg Hogan
Robert,

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.

Greg



On Mar 23, 2017, at 6:37 AM, Robert Metzger <[hidden email]> wrote:

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:
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:
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.
> 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 <[hidden email]>
> Sent: Wednesday, March 15, 2017 12:30:24 PM
> To: [hidden email]; [hidden email]
> 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
>
>
>
>
>



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Re: [POLL] Who still uses Java 7 with Flink ?

rmetzger0
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:
Robert,

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.

Greg



On Mar 23, 2017, at 6:37 AM, Robert Metzger <[hidden email]> wrote:

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:
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:
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.
> 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 <[hidden email]>
> Sent: Wednesday, March 15, 2017 12:30:24 PM
> To: [hidden email]; [hidden email]
> 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
>
>
>
>
>




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Re: [POLL] Who still uses Java 7 with Flink ?

Theodore Vasiloudis
Hello all,

I'm sure you've considered this already, but what this data does not include is all the potential future users,
i.e. slower moving organizations (banks etc.) which could be on Java 7 still.

Whether those are relevant is up for debate.

Cheers,
Theo

On Thu, Mar 23, 2017 at 12:14 PM, Robert Metzger <[hidden email]> wrote:
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:
Robert,

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.

Greg



On Mar 23, 2017, at 6:37 AM, Robert Metzger <[hidden email]> wrote:

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:
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:
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.
> 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 <[hidden email]>
> Sent: Wednesday, March 15, 2017 12:30:24 PM
> To: [hidden email]; [hidden email]
> 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
>
>
>
>
>





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Re: [POLL] Who still uses Java 7 with Flink ?

rmetzger0
Hi all,

as promised in March, I want to revive this discussion!

Our users are begging for Scala 2.12 support [1], migration to Akka 2.4 would solve a bunch of shading / dependency issues (Akka 2.4 will remove Akka's protobuf dependency [2][3]) 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.


On Thu, Mar 23, 2017 at 2:42 PM, Theodore Vasiloudis <[hidden email]> wrote:
Hello all,

I'm sure you've considered this already, but what this data does not include is all the potential future users,
i.e. slower moving organizations (banks etc.) which could be on Java 7 still.

Whether those are relevant is up for debate.

Cheers,
Theo

On Thu, Mar 23, 2017 at 12:14 PM, Robert Metzger <[hidden email]> wrote:
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:
Robert,

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.

Greg



On Mar 23, 2017, at 6:37 AM, Robert Metzger <[hidden email]> wrote:

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:
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:
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.
> 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 <[hidden email]>
> Sent: Wednesday, March 15, 2017 12:30:24 PM
> To: [hidden email]; [hidden email]
> 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
>
>
>
>
>






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