+1

On Fri, 13 Jan 2023 at 08:51, Jungtaek Lim <kabhwan.opensou...@gmail.com>
wrote:

> bump for more visibility.
>
> On Wed, Jan 11, 2023 at 12:20 PM Jungtaek Lim <
> kabhwan.opensou...@gmail.com> wrote:
>
>> Hi dev,
>>
>> I'd like to propose the deprecation of DStream in Spark 3.4, in favor of
>> promoting Structured Streaming.
>> (Sorry for the late proposal, if we don't make the change in 3.4, we will
>> have to wait for another 6 months.)
>>
>> We have been focusing on Structured Streaming for years (across multiple
>> major and minor versions), and during the time we haven't made any
>> improvements for DStream. Furthermore, recently we updated the DStream doc
>> to explicitly say DStream is a legacy project.
>> https://spark.apache.org/docs/latest/streaming-programming-guide.html#note
>>
>> The baseline of deprecation is that we don't see a particular use case
>> which only DStream solves. This is a different story with GraphX and MLLIB,
>> as we don't have replacements for that.
>>
>> The proposal does not mean we will remove the API soon, as the Spark
>> project has been making deprecation against public API. I don't intend to
>> propose the target version for removal. The goal is to guide users to
>> refrain from constructing a new workload with DStream. We might want to go
>> with this in future, but it would require a new discussion thread at that
>> time.
>>
>> What do you think?
>>
>> Thanks,
>> Jungtaek Lim (HeartSaVioR)
>>
>

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