Hi  Dongjoon.,

This was an oversight from my side. I confused your involvement with docker
build stuff.

HTH



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On Sun, 19 Feb 2023 at 01:02, Dongjoon Hyun <dongjoon.h...@gmail.com> wrote:

> Thank you for considering me, but may I ask what makes you think to put me
> there, Mich? I'm curious about your reason.
>
> > I have put dongjoon.hyun as a shepherd.
>
> BTW, unfortunately, I cannot help you with that due to my on-going
> personal stuff. I'll adjust the JIRA first.
>
> Thanks,
> Dongjoon.
>
>
> On Sat, Feb 18, 2023 at 10:51 AM Mich Talebzadeh <
> mich.talebza...@gmail.com> wrote:
>
>> https://issues.apache.org/jira/browse/SPARK-42485
>>
>>
>> Spark Structured Streaming is a very useful tool in dealing with Event
>> Driven Architecture. In an Event Driven Architecture, there is generally a
>> main loop that listens for events and then triggers a call-back function
>> when one of those events is detected. In a streaming application the
>> application waits to receive the source messages in a set interval or
>> whenever they happen and reacts accordingly.
>>
>> There are occasions that you may want to stop the Spark program
>> gracefully. Gracefully meaning that Spark application handles the last
>> streaming message completely and terminates the application. This is
>> different from invoking interrupts such as CTRL-C.
>>
>> Of course one can terminate the process based on the following
>>
>>    1. query.awaitTermination() # Waits for the termination of this
>>    query, with stop() or with error
>>
>>
>>    1. query.awaitTermination(timeoutMs) # Returns true if this query is
>>    terminated within the timeout in milliseconds.
>>
>> So the first one above waits until an interrupt signal is received. The
>> second one will count the timeout and will exit when the timeout in
>> milliseconds is reached.
>>
>> The issue is that one needs to predict how long the streaming job needs
>> to run. Clearly any interrupt at the terminal or OS level (kill process),
>> may end up the processing terminated without a proper completion of the
>> streaming process.
>>
>> I have devised a method that allows one to terminate the spark
>> application internally after processing the last received message. Within
>> say 2 seconds of the confirmation of shutdown, the process will invoke a
>> graceful shutdown.
>>
>> This new feature proposes a solution to handle the topic doing work for
>> the message being processed gracefully, wait for it to complete and
>> shutdown the streaming process for a given topic without loss of data or
>> orphaned transactions
>>
>>
>> I have put dongjoon.hyun as a shepherd. Kindly advise me if that is the
>> correct approach.
>>
>> JIRA ticket https://issues.apache.org/jira/browse/SPARK-42485
>>
>> SPIP doc: TBC
>>
>> Discussion thread: in
>>
>> https://lists.apache.org/list.html?dev@spark.apache.org
>>
>>
>> Thanks.
>>
>>
>>    view my Linkedin profile
>> <https://www.linkedin.com/in/mich-talebzadeh-ph-d-5205b2/>
>>
>>
>>  https://en.everybodywiki.com/Mich_Talebzadeh
>>
>>
>>
>> *Disclaimer:* Use it at your own risk. Any and all responsibility for
>> any loss, damage or destruction of data or any other property which may
>> arise from relying on this email's technical content is explicitly
>> disclaimed. The author will in no case be liable for any monetary damages
>> arising from such loss, damage or destruction.
>>
>>
>>
>

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