Django blog - ElasticSearch + MySQL + Redis 🚀

• Most of us use wordpress 🥱 for blogs (so do I: https://pyblog.xyz). The search operation in wordpress takes forever, because it's a simple column like '%<complete input string>% 🤕
• To perform faster search operations on tags, categories and other key-words. While it can be achieved with Relational and other NoSQL data stores, Elastic Search is the best when it comes to SEARCH 😎

• Tap the Elastic Homebrew repository: brew tap elastic/tap
• brew install elastic/tap/elasticsearch-full
• pip install elasticsearch-dsl

• cd /usr/local/var/homebrew/linked/elasticsearch-full/bin
• ./elasticsearch To start ES from GUI, follow: https://opensource.com/article/19/7/installing-elasticsearch-macos

• curl -XGET http://localhost:9200 Expected Response (Similar):

{ "name": "PP-C02Z66CALVCG.local", "cluster_name": "elasticsearch_adesh.nalpet", "cluster_uuid": "E_543bFmSUqO7dXwzjE1WQ", "version": { "number": "7.8.1", "build_flavor": "default", "build_type": "tar", "build_hash": "b5ca9c58fb664ca8bf9e4057fc229b3396bf3a89", "build_date": "2020-07-21T16:40:44.668009Z", "build_snapshot": false, "lucene_version": "8.5.1", "minimum_wire_compatibility_version": "6.8.0", "minimum_index_compatibility_version": "6.0.0-beta1" }, "tagline": "You Know, for Search" } 

• brew install redis
• brew services start redis or redis-server /usr/local/etc/redis.conf
• pip install django-redis

• redis-cli ping

For details on how to set-up a django project with best practices: https://pyblog.xyz/django-initial-setup/

• Update ES and Redis - host and port in settings.py

ELASTICSEARCH_DSL = { 'default': { 'hosts': 'localhost:9200' }, } 

CACHES = { "default": { "BACKEND": "django_redis.cache.RedisCache", "LOCATION": "redis://127.0.0.1:6379/1", "OPTIONS": { "CLIENT_CLASS": "django_redis.client.DefaultClient" }, "KEY_PREFIX": "pyblog" } } 

• bulk indexing: search.bulk_indexing
• On every post_save: signals.py More details on Django Signals: https://pyblog.xyz/events-using-django-signals/

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