It’s a good suggestion, however I don’t think there is a mechanism for TTLs
in notebooks and most things in notebooks might not be safe to recompute,
unlike if we delete shuffle files.

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On Wed, Oct 16, 2024 at 11:55 AM Reynold Xin <r...@databricks.com> wrote:

> Thanks for bringing this up. Wouldn't it be better for the notebooks to
> control when these DFs/RDDs expire so they can do fine granular control?
>
> On Wed, Oct 16, 2024 at 7:51 AM Holden Karau <holden.ka...@gmail.com>
> wrote:
>
>> Hi Spark Devs,
>>
>> So back in Spark 1.X we had shuffle TTLs, but they did not take into
>> account last access times. With the increased use of notebooks where
>> dataframes & rdds are more likely to be defined at the global scope I was
>> thinking it could be a good time to try and re-introduce shuffle TTLs but
>> with a last accessed mechanism so I've filed
>> https://issues.apache.org/jira/browse/SPARK-49788 -- I'd love to get
>> folks feedback before I put in too much effort here.
>>
>> Cheers,
>>
>> Holden :)
>>
>> --
>> Twitter: https://twitter.com/holdenkarau
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>> Books (Learning Spark, High Performance Spark, etc.):
>> https://amzn.to/2MaRAG9  <https://amzn.to/2MaRAG9>
>> YouTube Live Streams: https://www.youtube.com/user/holdenkarau
>> Pronouns: she/her
>>
>

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