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https://issues.apache.org/jira/browse/MESOS-7132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benjamin Mahler updated MESOS-7132:
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Priority: Major (was: Critical)
Description:
The current implementation of fair share allocation allocates the entire
available resources on an agent when trying to satisfy the fair share. What
this means is that the fair share can be exceeded by the size of an agent.
This is especially problematic for large machines, consider a 48 core, 512 GB
memory server where a role's share is 4 cores and 4GB of memory. Given our
current approach, we will send an offer for the entire 48 cores and 512 GB of
memory!
This ticket is to perform fine grained offers when the allocation will exceed
the fair share.
was:
The current implementation of quota allocation allocates the entire available
resources on an agent when trying to satisfy the quota. What this means is that
quota can be exceeded by the size of an agent.
This is especially problematic for large machines, consider a 48 core, 512 GB
memory server where a role is given 4 cores and 4GB of memory. Given our
current approach, we will send an offer for the entire 48 cores and 512 GB of
memory!
This ticket is to perform fine grained offers when the allocation will exceed
the quota.
> Fair share can be exceeded due to coarse-grained offer technique.
> -----------------------------------------------------------------
>
> Key: MESOS-7132
> URL: https://issues.apache.org/jira/browse/MESOS-7132
> Project: Mesos
> Issue Type: Bug
> Components: allocation
> Reporter: Benjamin Mahler
>
> The current implementation of fair share allocation allocates the entire
> available resources on an agent when trying to satisfy the fair share. What
> this means is that the fair share can be exceeded by the size of an agent.
> This is especially problematic for large machines, consider a 48 core, 512 GB
> memory server where a role's share is 4 cores and 4GB of memory. Given our
> current approach, we will send an offer for the entire 48 cores and 512 GB of
> memory!
> This ticket is to perform fine grained offers when the allocation will exceed
> the fair share.
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