ion), not cross jobs.
> --
> *From:* Koert Kuipers
> *Sent:* Saturday, July 16, 2022 6:43 PM
> *To:* user
> *Subject:* [EXTERNAL] spark re-use shuffle files not happening
>
>
> *ATTENTION:* This email originated from outside of GM.
>
>
>
Spark can reuse shuffle stages in the same job (action), not cross jobs.
From: Koert Kuipers
Sent: Saturday, July 16, 2022 6:43 PM
To: user
Subject: [EXTERNAL] spark re-use shuffle files not happening
ATTENTION: This email originated from outside of GM.
i
i have seen many jobs where spark re-uses shuffle files (and skips a stage
of a job), which is an awesome feature given how expensive shuffles are,
and i generally now assume this will happen.
however i feel like i am going a little crazy today. i did the simplest
test in spark 3.3.0, basically i