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perf_bench_test start #54

Merged
merged 14 commits into from
Nov 20, 2020
Merged

perf_bench_test start #54

merged 14 commits into from
Nov 20, 2020

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NiuJ1ao
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@NiuJ1ao NiuJ1ao commented Nov 11, 2020

Requests are injected every second and instance are served sequentially.

@NiuJ1ao NiuJ1ao self-assigned this Nov 11, 2020
@NiuJ1ao NiuJ1ao added this to In progress in Architectural implications of multi-tenancy via automation Nov 11, 2020
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good start and good coding style!

  1. Pulling images and creating snapshots, creating records must be outside of the measurement loop. In fact, the task was to profile warm invocations, not cold. Hence, snapshots, records are unnecessary at this point (but you can keep them for future).
  2. Place remove instance and flush caches calls under a runtime argument profile_cold_starts that you need to add

@NiuJ1ao NiuJ1ao removed their assignment Nov 15, 2020
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Need to test by validating the logs. Currently, you confuse images and functions. These are different concepts.

The structure of the benchmark needs correction:

  1. Pull all necessary images by invoking funcPool.Serve() once per image
  2. Boot all functions with a single image (for the first version)
  3. Start the measurement loop

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looks much better now, thanks.

  1. Why do you need the semaphore?
  2. your benchmark sends a potentially large burst once per second. This may result in a high load period followed by a low load period each second. You should modify the code so that your benchmark injects 1 RPC per timeInterval=second/TargetReqPerSec

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minor corrections are needed

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While there are few minor comments (mostly cleaning), you need to add a test for your benchmark, basically here

For example, you can invoke your benchmark to run load over 2 VMs for 2 seconds

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ok, hopefully last changes. the code looks very good now, good job

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ustiugov
ustiugov previously approved these changes Nov 20, 2020
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@ustiugov ustiugov merged commit 75a4486 into master Nov 20, 2020
Architectural implications of multi-tenancy automation moved this from In progress to Done Nov 20, 2020
@ustiugov ustiugov deleted the perf_bench_test branch November 20, 2020 18:12
HermioneKT pushed a commit that referenced this pull request Jan 31, 2024
@KTCyber @HermioneKT
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