Hi,
please see Sean's answer and please read about parallelism in spark.
Regards,
Gourav Sengupta
On Mon, Jul 11, 2022 at 10:12 AM Tufan Rakshit wrote:
> so as an average every 4 core , you get back 3.6 core in Yarn , but you
> can use only 3 .
> in Kubernetes you get back 3.6 and also can use
so as an average every 4 core , you get back 3.6 core in Yarn , but you can
use only 3 .
in Kubernetes you get back 3.6 and also can use 3.6
Best
Tufan
On Mon, 11 Jul 2022 at 11:02, Yong Walt wrote:
> We were using Yarn. thanks.
>
> On Sun, Jul 10, 2022 at 9:02 PM Tufan Rakshit wrote:
>
>>
We were using Yarn. thanks.
On Sun, Jul 10, 2022 at 9:02 PM Tufan Rakshit wrote:
> Mainly depends what your cluster manager Yarn or kubernates ?
> Best
> Tufan
>
> On Sun, 10 Jul 2022 at 14:38, Sean Owen wrote:
>
>> Jobs consist of tasks, each of which consumes a core (can be set to >1
>> too,
Mainly depends what your cluster manager Yarn or kubernates ?
Best
Tufan
On Sun, 10 Jul 2022 at 14:38, Sean Owen wrote:
> Jobs consist of tasks, each of which consumes a core (can be set to >1
> too, but that's a different story). If there are more tasks ready to
> execute than available cores,
Jobs consist of tasks, each of which consumes a core (can be set to >1 too,
but that's a different story). If there are more tasks ready to execute
than available cores, some tasks simply wait.
On Sun, Jul 10, 2022 at 3:31 AM Yong Walt wrote:
> given my spark cluster has 128 cores totally.
> If
given my spark cluster has 128 cores totally.
If the jobs (each job was assigned only one core) I submitted to the
cluster are over 128, what will happen?
Thank you.