Think we can allow for different images and default to them being the same. Apologize if I missed that as being the original intention though.
-Matt Cheah
On 1/8/18, 1:45 PM, "Marcelo Vanzin" <van...@cloudera.com> wrote:
On Mon, Jan 8, 2018 at 1:39 PM, Matt Cheah <mch...@palantir.com> wrote:
> We would still want images to be able to be uniquely specified for the
> driver vs. the executors. For example, not all of the libraries required
on
> the driver may be required on the executors, so the user would want to
> specify a different custom driver image from their custom executor image.
Are you saying that we should *require* different images for driver
and executor, as is the case today, or that we should *allow*
different images, but default to the same, as I'm proposing?
I see zero reason to require different images. While it's true that
the driver may need more libraries than the executor, 99% of the time
it's ok to just have those libraries everywhere - it makes
configuration easier and doesn't do any harm.
--
Marcelo
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