Should I use memcached?

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2. What is Redis memcached?
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4. How do I flush Redis?
5. Is Redis fast?
6. What is Nginx Docker?
7. Which one is a difference between Memcached and Redis?
8. Why do I need nginx?
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Tags

1. #introducing
2. #every
3. #visitor
4. #update
5. #source
6. #product
7. #object
8. #performance
9. #database
10. #memcached
11. #distributed
12. #necessary
13. #minutes
14. #query
15. #memory
16. #enters
17. #their
18. #caching
19. #improve
20. #shops