Redis combat: skillfully use Bitmap to achieve hundreds of millions of massive data statistics
This article will start with the binary state statistics type as the practical part of the series. This article will use the extended data type Bitmap other than String, Set, Zset, List and Hash to achieve.
Redis underlying dictionary
<< Redis design and Implementation >>, read books to learn knowledge, take notes, deepen the understanding of knowledge, strive to enrich their knowledge, to understand more places.
Redis Learning 3: Sentinel mode for Redis high availability
Monitoring: Sentinel continuously checks whether your primary and secondary servers are functioning properly. Notification: Sentinel can send notifications to administrators or other applications via the API when a monitored Redis server has a problem. Automatic failover (Auto...
Redis Basics series 1 - Redis objects and encodings
Redis uses objects to represent key pairs in the database. When a key-value is set to a Redis database, the database creates at least two objects, one for the key (key object) of the key-value pair and one for the value (value object) of the key-value pair.
Redis persistence
Talking about Redis RDB and AOP persistence, the advantages and disadvantages of the two ways, according to different scenarios using different persistence schemes.
Redis a dangerous command that directly causes a catastrophic failure of production Redis
As a result, many services in the production of redis set and GET values do not operate properly, resulting in a lot of throwing errors. But we didn't use this command. Through the search, it was found that it was operated by a certain IP machine, and the operator was actually the big guy around me, and I looked at him when he was operating. At that time, there was a throw error in the program, so the re was used in the production springboard...
Redis - persistence
This is the 19th day I participate in the redIS challenge, bgSave configure AOF persistent write policy rewrite RDB and AOF difference persistence application scenario 1, RDB who: redis operator what
Redis transactions implement the market for buying and selling goods in the game
To ensure that the data is correct, it is important to recognize that when multiple clients are working on the same data simultaneously, careless operations can easily lead to data errors. This article will introduce Redis transactions to prevent data errors and, in some cases, enable
Redis is most often asked to summarize knowledge points
Redis is a high performance key-value database based on memory. Redis is essentially a key-value in-memory database, much like memcached. The entire database is loaded into memory for operation, and periodically flushed to hard disk asynchronously. Because it is pure memory operation, Redis performance is very good...
Redis (nine) Redis optimization
To estimate the size of memory occupied by data in Redis, it is necessary to have a comprehensive understanding of the memory model of Redis