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Posted to dev@mesos.apache.org by "Qinghe Jin (JIRA)" <ji...@apache.org> on 2012/06/20 09:23:42 UTC

[jira] [Comment Edited] (MESOS-191) Add support for disk spindles in resources

    [ https://issues.apache.org/jira/browse/MESOS-191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13397323#comment-13397323 ] 

Qinghe Jin edited comment on MESOS-191 at 6/20/12 7:22 AM:
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What do you mean by disk spindles? "a slave with multiple spindles" means "a slave with multiple disks" ? 

I share the same idea that mesos tasks should schedule mesos tasks with disk ability,especially for disk bound tasks. But compared to mem/cpu, disk is too compilicated. And it‘s not clear that how could we use IO scheduling strategy when we schedule mesos task. A possible way is to monitor the IO use rate when schedule mesos tasks. Another way is to use IO isolation to ensure the IO bandwidth for applications.
                
      was (Author: einstein_ict):
    What do you mean by disk spindles? "a slave with multiple spindles" means "a slave with multiple disks" ? 

I share the same idea that mesos tasks should schedule mesos tasks with disk ability,especially for disk bound tasks. But compared to mem/cpu, disk is too compilicated. And it‘s not clear that how could we use IO scheduling strategy when we schedule mesos task. A possible way
 is to monitor the IO use rate when schedule mesos tasks. Another way is to use IO isolation to ensure the IO bandwidth for applications.
                  
> Add support for disk spindles in resources
> ------------------------------------------
>
>                 Key: MESOS-191
>                 URL: https://issues.apache.org/jira/browse/MESOS-191
>             Project: Mesos
>          Issue Type: New Feature
>            Reporter: Vinod Kone
>
> It would be nice to schedule mesos tasks with fine-grained disk scheduling. The idea is, a slave with multiple spindles, would specify spindle specific config. Mesos would then include this info in its resource offers to frameworks. 

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