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Memcache Basics

Key Features of Memcache.

  1. 1- It's open source.
  2. Memcache server is a big hash table
  3. it significantly reduces the database load
  4. it's perfect for a website which has High Database Load.
  5. its client-server application over TCP/UDP
How to Install it on Linux,
Sudo apt-get install Memcached

Default Port is - 11211

To connect to the Memcache server you need to use the Telnet command on HOST & PORT
cmd - $telnet HOST PORT
For exp - $ telnet 127.0.0.1 11211

Memcache set command is used to set a new value to a new or existing key.
Command:- 
set kEY FLAGS EXPTIME BYTES (noreplay)
Value

- KEY - name of the key
- FLAGS - Its 32-bit unassigned integer that the server stores with the data provided by the user, and returns along with the data during the fetch
- EXPTIME - expiration time in seconds
- BYTES - Length of data(in bytes) which need to store in Memcache
- noreplay - this parameter informs not to send any replay  from the server during the set
- VALUE - It is the data that we need to be stored. this we need to pass next line after passing all the above params

OUTPUT : 
Stored - indicates success 
Error - Indicates incorrect syntex or error while saving data.




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