Apply cache for beginner#1
0 likes513 views
This document discusses caching strategies for beginners. It explains that caching can improve performance by checking the cache server first before reading from the database. It is easy to read from the cache but hard to update as it requires updating both the database and cache. If data is not important, cache updating is not critical, but for important data, keeping the cache updated is important. The document recommends retrying cache updates and using queuing services to batch updates to improve reliability of cache updates.
Apply cache for beginner#1
- 1. Apply Cache For Beginner #1 charsyam@naver.com
- 2. Key Value and KEY Value User_ID Profile - LastLoginTime - UserName - ETC
- 3. Key Value and 1. Check Cache Server -> Read Cache 2. Read DB -> Write Cache
- 4. Key Value – Easy to Read and 1. Check Cache Server -> Read Cache 2. Read DB -> Write Cache
- 5. Key Value – Hard to Update and 1. Update To DB 2. Update to Cache
- 7. Key Value – SYNC Easy and Fail!!! 1. Update To DB 2. Fail To Transaction
- 8. Key Value – SYNC HARD and 1. Update To DB Fail!!! 2. Update to Cache
- 9. Key Value – How and 1. Update To DB Fail!!! 2. Update to Cache RETRY BATCH
- 10. Data! The most important thing
- 11. If data is not important Cache Updating is not important Login Count Last Login Time ETC
- 12. BUT!
- 13. If data is important Cache Updating is important Server Address Data Path ETC
- 14. HOW!
- 15. RETRY! Retry, Retry, Retry Solve Over 9x%.
- 17. Error Log Queue Batch Error Log Processor Error Log Error Log Cache Error Log Server
- 18. Error Log Queue Batch Error Log Processor Error Log Error Log Error Log Cache Server
- 19. Error Log Queue Batch UPDATE Error Log Processor Error Log Error Log Cache Server Error Log
- 21. Thank you!