disable versioning in mongoDB,improved performance.

[socool]

Fixed error "No matching document found for id" when running on production by disable versioning and save function improvement.

Description

• Run performance test by using jmeter [superscript-performance.jmx] result are in [Before Improve]
• Improve save user following from this thread version-error-on-saving-mongoose-docs
• Disable versioning in user.js and run performance test again result are in [After Improve]

Motivation and Context

Because application is too slow to run in production (Apdex:7.22),then we need to fixed performance issued by improve save function and disable versioning.

How Has This Been Tested?

Initial bot

bot-init myBotName --clients express

Setup bot

cd myBotName
npm install
parse
npm run build
npm run start-express

Run jmeter (5.0 r1840935) using this command

./jmeter -n -t [YOUR_DIRECTORY]/superscript-performance.jmx] -l [YOUR_DIRECTORY]/superscript-5000.csv-e -o [YOUR_DIRECTORY]/superscript-5000-report

superscript-performance.jmx

The code is tested with existing test cases. All test cases pass.

• src/bot/db/models/user.js

Screenshots (if appropriate):

Before Improve

After Improve

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have added tests to cover my changes.
• [x] All new and existing tests passed.

[coveralls]

Coverage increased (+0.07%) to 80.624% when pulling 6eba919d598f85967a6cf82bcad4592e786cb721 on socool:master into 37f2be9c149112db924f817faa3726ed2c648c27 on superscriptjs:master.