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From Andrei Sekretenko <asekrete...@mesosphere.io>
Subject Re: Review Request 71750: Improved performance of v1 operator API GetAgents call.
Date Wed, 20 Nov 2019 20:05:22 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/71750/#review218725
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Fix it, then Ship it!





src/master/http.cpp
Lines 2141 (patched)
<https://reviews.apache.org/r/71750/#comment306591>

    `NotAccepatble()` instead of `BadRequest()`? (Applies to the follow-up patches too - sorry,
didn't notice earlier.)


- Andrei Sekretenko


On Nov. 12, 2019, 12:03 a.m., Benjamin Mahler wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/71750/
> -----------------------------------------------------------
> 
> (Updated Nov. 12, 2019, 12:03 a.m.)
> 
> 
> Review request for mesos, Andrei Sekretenko, Greg Mann, and Meng Zhu.
> 
> 
> Bugs: MESOS-10026
>     https://issues.apache.org/jira/browse/MESOS-10026
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> This updates the handling to serialize directly to protobuf or json
> from the in-memory v0 state, bypassing expensive intermediate
> serialization / de-serialization / object construction / object
> destruction.
> 
> This initial patch shows the approach that will be used for the
> other expensive calls. Note that this type of manual writing is
> more brittle and complex, but it can be mostly eliminated if we
> keep an up-to-date v1 GetState in memory in the future.
> 
> When this approach is applied fully to GetState, it leads to the
> following improvement:
> 
> Before:
> v0 '/state' response took 6.55 secs
> v1 'GetState' application/x-protobuf response took 24.08 secs
> v1 'GetState' application/json response took 22.76 secs
> 
> After:
> v0 '/state' response took 8.00 secs
> v1 'GetState' application/x-protobuf response took 5.73 secs
> v1 'GetState' application/json response took 9.62 secs
> 
> 
> Diffs
> -----
> 
>   src/master/http.cpp 60765c9b9d6903f6ed94fa8c614055698caad0da 
>   src/master/master.hpp dc45028d2ecfb61bf9ea82d90d2393af648a6023 
> 
> 
> Diff: https://reviews.apache.org/r/71750/diff/1/
> 
> 
> Testing
> -------
> 
> make check
> 
> 
> Thanks,
> 
> Benjamin Mahler
> 
>


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