Redis Strings as Counters
We can use Redis strings as counters, we can initialize a Redis variable, increment the value, and decrement the value by using INCR and DECR commands. we can use counters in order to achieve the counter for tracking the number of website visitors. we can also use INCRBY command to increase the integer by a specific value.
Example:
SET total_users 0
INCR total_users ( 0+1 =1 )
GET total_usersOutput: 1
INCR total_users (1+1 =2)
DECR total_users ( 2 – 1 = 1)
GET total_usersOutput: 1
INCRBY total_users 20
GET total_usersOutput: 21
Complete Guide on Redis Strings
Redis String is a sequence of bytes that can store a sequence of bytes, including text, Object, and binary arrays. which can store a maximum of 512 megabytes in one string. Redis String can also be used like a Redis Key for mapping a string to another string. String Data Types are useful in different types of use cases like caching HTML fragments or different pages.
Important Topics on Redis Strings
- SET and GET Command
- Basic Command Used in String Data Structure in Redis:
- Redis Strings as Counters
- How to manage counters?
- Performance
- Alternatives of String in Redis
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