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From "Klaus Ma" <klaus1982...@gmail.com>
Subject Re: Review Request 41791: Updated allocation slack when dynamic reservation was updated.
Date Sun, 03 Jan 2016 10:43:54 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/41791/#review112443
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I think it's too early to update total allocation slack here; my suggestion to handle dynamic
reservation:

1. Did not reduce total allocation slack in updateAllocation/updateAvailable; but if no allocated
ALLOCATIONS_SLACK, it's fine to shrink it.
2. In agent, if new checkpointed resources is smaller, evict executors if necessary.
3. In allocator, did not send evicting unreserved resources (allocationSlack - stateless.reserved)
4. In Allocator::recoverResources, if total allocation slack is smaller than stateless.reserved,
shrink total allocation slack.

- Klaus Ma


On Jan. 3, 2016, 5:22 p.m., Guangya Liu wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/41791/
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> 
> (Updated Jan. 3, 2016, 5:22 p.m.)
> 
> 
> Review request for mesos, Ben Mahler, Artem Harutyunyan, Joris Van Remoortere, Joseph
Wu, Klaus Ma, and Jian Qiu.
> 
> 
> Bugs: MESOS-4145
>     https://issues.apache.org/jira/browse/MESOS-4145
> 
> 
> Repository: mesos
> 
> 
> Description
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> 
> Updated allocation slack when dynamic reservation was updated.
> 
> 
> Diffs
> -----
> 
>   src/master/allocator/mesos/hierarchical.cpp 7f900c4e024485704d79e57ae22407557598fe6c

>   src/tests/hierarchical_allocator_tests.cpp e044f832c2c16e53e663c6ced5452649bb0dcb59

> 
> Diff: https://reviews.apache.org/r/41791/diff/
> 
> 
> Testing
> -------
> 
> make
> make check
> 
> 
> Thanks,
> 
> Guangya Liu
> 
>


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