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From Guangya Liu <gyliu...@gmail.com>
Subject Re: Review Request 51027: Track allocation candidates to bound allocator.
Date Tue, 30 Aug 2016 18:03:19 GMT

-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/51027/#review147321
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src/master/allocator/mesos/hierarchical.hpp (line 219)
<https://reviews.apache.org/r/51027/#comment214442>

    s/allocate()/`allocate()`



src/master/allocator/mesos/hierarchical.hpp (line 222)
<https://reviews.apache.org/r/51027/#comment214444>

    The comments should be updated as 
    
    ```
    Send inverse offers from the allocation candidates.
    ```



src/master/allocator/mesos/hierarchical.hpp (lines 225 - 226)
<https://reviews.apache.org/r/51027/#comment214446>

    Make this less jagged.
    
    ```
    // Ensure an allocation run is pending in the event
    // queue. An allocate will be dispatched otherwise.
    ```



src/master/allocator/mesos/hierarchical.hpp (lines 387 - 389)
<https://reviews.apache.org/r/51027/#comment214447>

    ```
    // A set of agents that are kept as allocation candidates. Events
    // triggering allocations will add or remove candidates to the set.
    // When an allocation is processed, the set of candidates is cleared.
    ```


- Guangya Liu


On 八月 30, 2016, 4:53 p.m., Jacob Janco wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/51027/
> -----------------------------------------------------------
> 
> (Updated 八月 30, 2016, 4:53 p.m.)
> 
> 
> Review request for mesos, Benjamin Mahler, Guangya Liu, James Peach, Klaus Ma, and Jiang
Yan Xu.
> 
> 
> Bugs: MESOS-3157
>     https://issues.apache.org/jira/browse/MESOS-3157
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> - Triggered allocations dispatch allocate() only
>   if there is no pending allocation in the queue.
> - Allocation candidates are accumulated and only
>   cleared when enqueued allocations are processed.
> - Batched allocations are handled synchronously.
> 
> 	 	
> - Carrying over work from 
>   https://reviews.apache.org/r/41658/ and added 
>   the previous reviewers
> - Specifically, this patch introduces the boolean 
>   flag pendingAllocation, which when set on event 
>   triggered allocations, will prevent additional 
>   no-op allocations: the flag is cleared when the 
>   enqueued allocation is processed, subsequent 
>   event triggered allocations will update a set
>   of allocation candidates rather than dispatching 
>   an additional allocate().
> 
> 
> Diffs
> -----
> 
>   src/master/allocator/mesos/hierarchical.hpp bdbc6d3b5b959990538f4e3b7b1a3b031d9aea05

>   src/master/allocator/mesos/hierarchical.cpp 234ef98529964a0b6d3f132426a6c8ccbb1263ee

> 
> Diff: https://reviews.apache.org/r/51027/diff/
> 
> 
> Testing
> -------
> 
> make check
> 
> note: check without filters depends on https://reviews.apache.org/r/51028
> 
> With new benchmark https://reviews.apache.org/r/49617: 
> Sample output without 51027:
> [ RUN      ] SlaveAndFrameworkCount/HierarchicalAllocator_BENCHMARK_Test.FrameworkFailover/22
> Using 10000 agents and 3000 frameworks
> Added 3000 frameworks in 57251us
> Added 10000 agents in 3.21345353333333mins
> allocator settled after  1.61236038333333mins
> [       OK ] SlaveAndFrameworkCount/HierarchicalAllocator_BENCHMARK_Test.FrameworkFailover/22
(290578 ms)
> 
> Sample output with 51027:
> [ RUN      ] SlaveAndFrameworkCount/HierarchicalAllocator_BENCHMARK_Test.FrameworkFailover/22
> Using 10000 agents and 3000 frameworks
> Added 3000 frameworks in 39817us
> Added 10000 agents in 3.22860541666667mins
> allocator settled after  25.525654secs
> [       OK ] SlaveAndFrameworkCount/HierarchicalAllocator_BENCHMARK_Test.FrameworkFailover/22
(220137 ms)
> 
> 
> Thanks,
> 
> Jacob Janco
> 
>


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