03 December 2020

#MemcacheDB

MemcacheDB
What are the drawbacks/ limitations of Memcached?
What happens to the data stored in Memcached when server accidentally gets shut down?
What is Dogpile effect? How can you prevent this effect?
What is Memcached?
What is the best usage of Memcached?
What is the difference between Memcache and Memcached?
What is the usage of Memcached? In which types of websites, it is generally used?
Explain the differences between SAP HANA and Memcached?
How can you minimize the Memcached server outages?
How Memcached works?
How to add value in the key?
How to append the value of the key?
How to close the connection?
How to connect Memcached server with telnet command?
How to delete the key?
How to get the value of key?
How to get the versions?
How to prepend value of key?
How to replace the value of the key?
How to set the value of key?
How to show the stats?
How would you update Memcached when data changes?
When was the first version of Memcached launched?
In which conditions cache cannot retain the stored information?
In which language Memcached is written and who is the author?
Can we share a single instance of Memcache between multiple projects?
MemcacheDB
  • Memcached is developed by Danga Interactive. (2003) (C language)
  • It is in-memory key-value store, originally intended for caching purpose.
  • It follows Key-value store database model.
  • Memcached is a free and open source, high-performance, distributed memory object caching system.
  • The primary objective of Memcached is to enhance the response time for data that can otherwise be recovered or constructed from some other source or database.
  • Reduce the number of retrieval requests to the database.
  • It is not a persistent data store & database.
  • It is not an application specific.
  • It cannot cache large object.
  • There is no triggers.
  • Social Networking - Profile Caching
  • Content Aggregation - HTML/ Page Caching
  • Ad targeting - Cookie/profile tracking
  • Relationship - Session caching
  • E-commerce - Session and HTML caching
  • Location-based services - Data-base query scaling
  • Gaming and entertainment - Session caching

PROS
  • Simple and Lightweight
  • Scalability
  • Multi-Threaded architecture

No comments:

Post a Comment

Most views on this month