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Posted to dev@spark.apache.org by Mich Talebzadeh <mi...@gmail.com> on 2023/03/09 16:12:48 UTC
Adding pause() method to pyspark.sql.streaming.StreamingQuery
Hi,
Currently for Spark Streaming we have the following class:
pyspark.sql.streaming.StreamingQuery
There are a number of useful methods, for example stop() which stops the
streaming process gracefully.
Can we add another method pause() so w can pause the processing. This will
come handy in a number of occasions?
Thanks
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Re: Adding pause() method to pyspark.sql.streaming.StreamingQuery
Posted by Mich Talebzadeh <mi...@gmail.com>.
Hi Martin.
Yes, that is the intent. There may be other ways, but I cannot think of.
HTH
view my Linkedin profile
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*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
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The author will in no case be liable for any monetary damages arising from
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On Wed, 15 Mar 2023 at 11:21, Martin Andersson <ma...@kambi.com>
wrote:
> Hi Mich.
>
> So it sounds like what you're really after is a way to apply new stream
> options in runtime without downtime?
>
> BR, Martin
> ------------------------------
> *From:* Mich Talebzadeh <mi...@gmail.com>
> *Sent:* Tuesday, March 14, 2023 16:39
> *To:* Martin Andersson <ma...@kambi.com>
> *Cc:* Spark dev list <de...@spark.apache.org>
> *Subject:* Re: Adding pause() method to
> pyspark.sql.streaming.StreamingQuery
>
>
> EXTERNAL SENDER. Do not click links or open attachments unless you
> recognize the sender and know the content is safe. DO NOT provide your
> username or password.
>
> Hi Martin,
>
> I see the major benefit of the spark stop() method in giving the ability
> to shut down the main topic gracefully. I have explained this in this SPIP
> SPIP: Shutting down spark structured streaming when the streaming process
> completed current process
> <https://gbr01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fissues.apache.org%2Fjira%2Fbrowse%2FSPARK-42485&data=05%7C01%7Cmartin.andersson%40kambi.com%7C2dca72df238543466f2608db24a251fd%7Ce3ec1ec4b9944e9e82e080234621871f%7C0%7C0%7C638144051802324559%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=nZi1EIEwxao28460TFv0Brfd6qx52w8vi21dG2OlSo0%3D&reserved=0>
>
> With regard to pause() I saw a request from a member
>
>
> Spark Structured Streaming] Could we apply new options of
> readStream/writeStream without stopping spark application (zero downtime)?
> <https://gbr01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.apache.org%2Fthread%2Fynboft2lw1zot70b8rolonpb6mrprnro&data=05%7C01%7Cmartin.andersson%40kambi.com%7C2dca72df238543466f2608db24a251fd%7Ce3ec1ec4b9944e9e82e080234621871f%7C0%7C0%7C638144051802324559%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=N64dNtmy%2FC6yAXn8Ju4UjrZq129DksqG9u1nQynfCaY%3D&reserved=0>
>
>
> I think it would be good to have this paus() added so we can adjust spark
> streaming parameters without shutting down the streaming process.,
> effectively with zero streaming downtime. This "change" is a challenge
> because the parameters can only change at the start-up until now.
>
>
> HTH
>
>
> view my Linkedin profile
> <https://gbr01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.linkedin.com%2Fin%2Fmich-talebzadeh-ph-d-5205b2%2F&data=05%7C01%7Cmartin.andersson%40kambi.com%7C2dca72df238543466f2608db24a251fd%7Ce3ec1ec4b9944e9e82e080234621871f%7C0%7C0%7C638144051802324559%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Y13vHqLxjyBt1ONR80snOKIG28P%2BQz6GGIjjnYhyUjQ%3D&reserved=0>
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>
> https://en.everybodywiki.com/Mich_Talebzadeh
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>
>
>
> *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.
>
>
>
>
> On Tue, 14 Mar 2023 at 12:33, Martin Andersson <ma...@kambi.com>
> wrote:
>
> Hi Mich.
>
> I'm trying to understand, can you please provide some use-cases where it
> would be beneficial with a pause and how a pause would differ functionally
> from a stop?
>
> Best regards, Martin
> ------------------------------
> *From:* Mich Talebzadeh <mi...@gmail.com>
> *Sent:* Thursday, March 9, 2023 17:12
> *To:* Spark dev list <de...@spark.apache.org>
> *Subject:* Adding pause() method to pyspark.sql.streaming.StreamingQuery
>
>
> EXTERNAL SENDER. Do not click links or open attachments unless you
> recognize the sender and know the content is safe. DO NOT provide your
> username or password.
>
>
> Hi,
>
>
> Currently for Spark Streaming we have the following class:
>
>
> pyspark.sql.streaming.StreamingQuery
> <https://gbr01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fpyspark.sql.streaming.streamingquery%2F&data=05%7C01%7Cmartin.andersson%40kambi.com%7C2dca72df238543466f2608db24a251fd%7Ce3ec1ec4b9944e9e82e080234621871f%7C0%7C0%7C638144051802324559%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=7fenpPrRk1OHAN3vdiXBKjHymExOxsW4rhl7EgBph8I%3D&reserved=0>
>
>
> There are a number of useful methods, for example stop() which stops the
> streaming process gracefully.
>
>
> Can we add another method pause() so w can pause the processing. This will
> come handy in a number of occasions?
>
>
>
> Thanks
>
>
>
> view my Linkedin profile
> <https://gbr01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.linkedin.com%2Fin%2Fmich-talebzadeh-ph-d-5205b2%2F&data=05%7C01%7Cmartin.andersson%40kambi.com%7C2dca72df238543466f2608db24a251fd%7Ce3ec1ec4b9944e9e82e080234621871f%7C0%7C0%7C638144051802324559%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Y13vHqLxjyBt1ONR80snOKIG28P%2BQz6GGIjjnYhyUjQ%3D&reserved=0>
>
>
> https://en.everybodywiki.com/Mich_Talebzadeh
> <https://gbr01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fen.everybodywiki.com%2FMich_Talebzadeh&data=05%7C01%7Cmartin.andersson%40kambi.com%7C2dca72df238543466f2608db24a251fd%7Ce3ec1ec4b9944e9e82e080234621871f%7C0%7C0%7C638144051802324559%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=tVVB50KpDC1TLE0mGUJsxsIdR4Q8Z8xMqyVHiYL%2F90g%3D&reserved=0>
>
>
>
> *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.
>
>
>
>
Re: Adding pause() method to pyspark.sql.streaming.StreamingQuery
Posted by Martin Andersson <ma...@kambi.com>.
Hi Mich.
So it sounds like what you're really after is a way to apply new stream options in runtime without downtime?
BR, Martin
________________________________
From: Mich Talebzadeh <mi...@gmail.com>
Sent: Tuesday, March 14, 2023 16:39
To: Martin Andersson <ma...@kambi.com>
Cc: Spark dev list <de...@spark.apache.org>
Subject: Re: Adding pause() method to pyspark.sql.streaming.StreamingQuery
EXTERNAL SENDER. Do not click links or open attachments unless you recognize the sender and know the content is safe. DO NOT provide your username or password.
Hi Martin,
I see the major benefit of the spark stop() method in giving the ability to shut down the main topic gracefully. I have explained this in this SPIP
SPIP: Shutting down spark structured streaming when the streaming process completed current process<https://gbr01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fissues.apache.org%2Fjira%2Fbrowse%2FSPARK-42485&data=05%7C01%7Cmartin.andersson%40kambi.com%7C2dca72df238543466f2608db24a251fd%7Ce3ec1ec4b9944e9e82e080234621871f%7C0%7C0%7C638144051802324559%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=nZi1EIEwxao28460TFv0Brfd6qx52w8vi21dG2OlSo0%3D&reserved=0>
With regard to pause() I saw a request from a member
Spark Structured Streaming] Could we apply new options of readStream/writeStream without stopping spark application (zero downtime)?<https://gbr01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.apache.org%2Fthread%2Fynboft2lw1zot70b8rolonpb6mrprnro&data=05%7C01%7Cmartin.andersson%40kambi.com%7C2dca72df238543466f2608db24a251fd%7Ce3ec1ec4b9944e9e82e080234621871f%7C0%7C0%7C638144051802324559%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=N64dNtmy%2FC6yAXn8Ju4UjrZq129DksqG9u1nQynfCaY%3D&reserved=0>
I think it would be good to have this paus() added so we can adjust spark streaming parameters without shutting down the streaming process., effectively with zero streaming downtime. This "change" is a challenge because the parameters can only change at the start-up until now.
HTH
[https://ci3.googleusercontent.com/mail-sig/AIorK4zholKucR2Q9yMrKbHNn-o1TuS4mYXyi2KO6Xmx6ikHPySa9MLaLZ8t2hrA6AUcxSxDgHIwmKE] view my Linkedin profile<https://gbr01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.linkedin.com%2Fin%2Fmich-talebzadeh-ph-d-5205b2%2F&data=05%7C01%7Cmartin.andersson%40kambi.com%7C2dca72df238543466f2608db24a251fd%7Ce3ec1ec4b9944e9e82e080234621871f%7C0%7C0%7C638144051802324559%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Y13vHqLxjyBt1ONR80snOKIG28P%2BQz6GGIjjnYhyUjQ%3D&reserved=0>
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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.
On Tue, 14 Mar 2023 at 12:33, Martin Andersson <ma...@kambi.com>> wrote:
Hi Mich.
I'm trying to understand, can you please provide some use-cases where it would be beneficial with a pause and how a pause would differ functionally from a stop?
Best regards, Martin
________________________________
From: Mich Talebzadeh <mi...@gmail.com>>
Sent: Thursday, March 9, 2023 17:12
To: Spark dev list <de...@spark.apache.org>>
Subject: Adding pause() method to pyspark.sql.streaming.StreamingQuery
EXTERNAL SENDER. Do not click links or open attachments unless you recognize the sender and know the content is safe. DO NOT provide your username or password.
Hi,
Currently for Spark Streaming we have the following class:
pyspark.sql.streaming.StreamingQuery<https://gbr01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fpyspark.sql.streaming.streamingquery%2F&data=05%7C01%7Cmartin.andersson%40kambi.com%7C2dca72df238543466f2608db24a251fd%7Ce3ec1ec4b9944e9e82e080234621871f%7C0%7C0%7C638144051802324559%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=7fenpPrRk1OHAN3vdiXBKjHymExOxsW4rhl7EgBph8I%3D&reserved=0>
There are a number of useful methods, for example stop() which stops the streaming process gracefully.
Can we add another method pause() so w can pause the processing. This will come handy in a number of occasions?
Thanks
[https://ci3.googleusercontent.com/mail-sig/AIorK4zholKucR2Q9yMrKbHNn-o1TuS4mYXyi2KO6Xmx6ikHPySa9MLaLZ8t2hrA6AUcxSxDgHIwmKE] view my Linkedin profile<https://gbr01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.linkedin.com%2Fin%2Fmich-talebzadeh-ph-d-5205b2%2F&data=05%7C01%7Cmartin.andersson%40kambi.com%7C2dca72df238543466f2608db24a251fd%7Ce3ec1ec4b9944e9e82e080234621871f%7C0%7C0%7C638144051802324559%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Y13vHqLxjyBt1ONR80snOKIG28P%2BQz6GGIjjnYhyUjQ%3D&reserved=0>
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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.
Re: Adding pause() method to pyspark.sql.streaming.StreamingQuery
Posted by Mich Talebzadeh <mi...@gmail.com>.
Hi Martin,
I see the major benefit of the spark stop() method in giving the ability to
shut down the main topic gracefully. I have explained this in this SPIP
SPIP: Shutting down spark structured streaming when the streaming process
completed current process
<https://issues.apache.org/jira/browse/SPARK-42485>
With regard to pause() I saw a request from a member
Spark Structured Streaming] Could we apply new options of
readStream/writeStream without stopping spark application (zero downtime)?
<https://lists.apache.org/thread/ynboft2lw1zot70b8rolonpb6mrprnro>
I think it would be good to have this paus() added so we can adjust spark
streaming parameters without shutting down the streaming process.,
effectively with zero streaming downtime. This "change" is a challenge
because the parameters can only change at the start-up until now.
HTH
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.
On Tue, 14 Mar 2023 at 12:33, Martin Andersson <ma...@kambi.com>
wrote:
> Hi Mich.
>
> I'm trying to understand, can you please provide some use-cases where it
> would be beneficial with a pause and how a pause would differ functionally
> from a stop?
>
> Best regards, Martin
> ------------------------------
> *From:* Mich Talebzadeh <mi...@gmail.com>
> *Sent:* Thursday, March 9, 2023 17:12
> *To:* Spark dev list <de...@spark.apache.org>
> *Subject:* Adding pause() method to pyspark.sql.streaming.StreamingQuery
>
>
> EXTERNAL SENDER. Do not click links or open attachments unless you
> recognize the sender and know the content is safe. DO NOT provide your
> username or password.
>
>
> Hi,
>
>
> Currently for Spark Streaming we have the following class:
>
>
> pyspark.sql.streaming.StreamingQuery
> <https://gbr01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fpyspark.sql.streaming.streamingquery%2F&data=05%7C01%7Cmartin.andersson%40kambi.com%7C4b333926c82b4f26df5508db20b94c61%7Ce3ec1ec4b9944e9e82e080234621871f%7C0%7C0%7C638139752435312700%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=dsDaR%2B9kyZ7DkD39%2BForsR5O3bUouxo7wDc6aD9R2Pk%3D&reserved=0>
>
>
> There are a number of useful methods, for example stop() which stops the
> streaming process gracefully.
>
>
> Can we add another method pause() so w can pause the processing. This will
> come handy in a number of occasions?
>
>
>
> Thanks
>
>
>
> view my Linkedin profile
> <https://gbr01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.linkedin.com%2Fin%2Fmich-talebzadeh-ph-d-5205b2%2F&data=05%7C01%7Cmartin.andersson%40kambi.com%7C4b333926c82b4f26df5508db20b94c61%7Ce3ec1ec4b9944e9e82e080234621871f%7C0%7C0%7C638139752435312700%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=XPBxiqT%2FUDAfzRMjoN9SK8Gs67f1tnGBmaUbLRL0WZo%3D&reserved=0>
>
>
> https://en.everybodywiki.com/Mich_Talebzadeh
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>
>
>
> *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.
>
>
>
Re: Adding pause() method to pyspark.sql.streaming.StreamingQuery
Posted by Martin Andersson <ma...@kambi.com>.
Hi Mich.
I'm trying to understand, can you please provide some use-cases where it would be beneficial with a pause and how a pause would differ functionally from a stop?
Best regards, Martin
________________________________
From: Mich Talebzadeh <mi...@gmail.com>
Sent: Thursday, March 9, 2023 17:12
To: Spark dev list <de...@spark.apache.org>
Subject: Adding pause() method to pyspark.sql.streaming.StreamingQuery
EXTERNAL SENDER. Do not click links or open attachments unless you recognize the sender and know the content is safe. DO NOT provide your username or password.
Hi,
Currently for Spark Streaming we have the following class:
pyspark.sql.streaming.StreamingQuery<https://gbr01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fpyspark.sql.streaming.streamingquery%2F&data=05%7C01%7Cmartin.andersson%40kambi.com%7C4b333926c82b4f26df5508db20b94c61%7Ce3ec1ec4b9944e9e82e080234621871f%7C0%7C0%7C638139752435312700%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=dsDaR%2B9kyZ7DkD39%2BForsR5O3bUouxo7wDc6aD9R2Pk%3D&reserved=0>
There are a number of useful methods, for example stop() which stops the streaming process gracefully.
Can we add another method pause() so w can pause the processing. This will come handy in a number of occasions?
Thanks
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