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Compare different solutions to choose a bike on a website. Eco-design.

Kotlin 2.74% Java 96.58% Dockerfile 0.36% Shell 0.31%

bike-choose-study's Introduction

Bike Choose - Study

Compare different solutions to choose a bike on a website.

The objective is to illustrate, through an example of an e-commerce functional unit, the ecodesign of a digital service and to highlight some good practices.

Pre-requisites

You need to have the following applications to be installed:

Docker Engine 19.03.0+ Install Docker Engine
Docker Compose 1.25.5+ Install Docker Compose
Open JDK 13+

All tests were run on a Linux environment, so it is preferable to have a Linux environment (native or WSL Ubuntu on Windows).

Docker images

Some improvements can be made from the build of the Docker image of our application: Docker Optimization

Performance tests

The strategy of performance tests for backend servers can be found here: Tests Strategy

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bike-choose-study's Issues

Endpoint to get facets in Bikes filtering for Solr

search endpoint

Dockerize Spring Boot ES

Get filters available for all bikes

Improve Start of Spring Boot Elasticsearch

For Elasticsearch+Spring Boot, if Elasticsearch is not started we restart it via restart: on-failure. We should find a cleaner way to do that (via a script or dockerize?)

Create a Bike via HTTP API Rest and retrieve All

Use RestController of SpringBoot to call the repository

Add filters to the Facets Endpoint for ES

To get facets according to some provided filters

Limit CPU & Memory for Back-end Services

Get filters (aggregate) available for all bikes

Generate Bikes on a Json format

Record CPU energy consumption

And export to prometheus?

Use Http Java directly without Spring Data

Remove the Sprint Data Layer and use HTTP 11 Java and compare performances and resources consumption.

Optimize Generation

With no optimization: 10min for 10000 bikes (16 bikes/sec)
Parallelize?

Include Jqwik when it will be compatible with Spring Boot

See jqwik-team/jqwik#41

Replace org.jeasy usage by property test

Add Solr client and CRUD repository

Add Elasticsearch client and CRUD repository

See https://docs.spring.io/spring-data/elasticsearch/docs/current/reference/html/#elasticsearch.clients.rest

Init Spring Boot Solr and Build

Migrate to Vavr and compare

List to vavr list
foldLeft instead of forEach in BikeService
Compare performances and resources consumption without it

Filter bike according several filters and return them

Calculator for enery consumption of memory and disk activity

Docker-Compose for Solr

Init Model Bike and Docker-Compose for ES

Develop correct healthcheck for backend server

Healthcheck is currently managed by the "bikes" endpoint, it should be managed by a specific healthcheck endpoint.

Endpoint to get facets and bikes when filtering

use search resource (bikes/search)

Use constant timer to wait between two requests of a thread

Record disk activity of a docker container

Compare Tomcat and Jetty in Spring Boot

Tomcat is embedded by default, so compare with Jetty.

Dockerize Spring Boot Solr

Define with correct parameters the Jmeter files

Create the load test file
1000 users for stress test as a peak of activity
100 users in average for load test

Filter bike according several filters (aggregate) and return them

Add SonarCloud for all applications

Load Balancer for Spring Boot

Use same network via docker compose?
Elastiseach
Solr

2020-05-23 15:37:07.725  WARN 6364 --- [/O dispatcher 7] org.elasticsearch.client.RestClient      : request [POST http://localhost:9200/products/bike/_search?rest_total_hits_as_int=true&typed_keys=true&ignore_unavailable=false&expand_wildcards=open&allow_no_indices=true&ignore_throttled=true&search_type=dfs_query_then_fetch&batched_reduce_size=512] returned 1 warnings: [299 Elasticsearch-7.6.1-aa751e09be0a5072e8570670309b1f12348f023b "[types removal] Specifying types in search requests is deprecated."]
2020-05-23 15:37:07.725  WARN 6364 --- [O dispatcher 10] org.elasticsearch.client.RestClient      : request [POST http://localhost:9200/products/bike/_search?rest_total_hits_as_int=true&typed_keys=true&ignore_unavailable=false&expand_wildcards=open&allow_no_indices=true&ignore_throttled=true&search_type=dfs_query_then_fetch&batched_reduce_size=512] returned 1 warnings: [299 Elasticsearch-7.6.1-aa751e09be0a5072e8570670309b1f12348f023b "[types removal] Specifying types in search requests is deprecated."]
2020-05-23 15:37:07.729  WARN 6364 --- [/O dispatcher 9] org.elasticsearch.client.RestClient      : request [POST http://localhost:9200/products/bike/_search?rest_total_hits_as_int=true&typed_keys=true&ignore_unavailable=false&expand_wildcards=open&allow_no_indices=true&ignore_throttled=true&search_type=dfs_query_then_fetch&batched_reduce_size=512] returned 1 warnings: [299 Elasticsearch-7.6.1-aa751e09be0a5072e8570670309b1f12348f023b "[types removal] Specifying types in search requests is deprecated."]