Redis
Redis is an open-source in-memory database project released in 2009 implementing a distributed, in-memory key-value store with optional durability. Redis supports different kinds of abstract data structures, such as strings, lists, maps, sets, sorted sets, hyperloglogs, bitmaps and spatial indexes.
Redis is also provided as a service in different Cloud providers ElastiCache from Amazon Web Services and Azure Cache from Microsoft Azure.
Basic commands
- Connect to Redis database:
$ redis-cli 127.0.0.1:6379> ping PONG
- Get a list of keys:
redis-cli --scan
- Get redis information:
redis-cli $127.0.0.1:6379> info
Windows:
redis-server --service-install redis.windows-service.conf --loglevel verbose
Redis Enterprise
Redis Enterprise is a commercial version of Redis including replication capabilities.
K8s operator for Redis Enterprise was released in October 2018.
CRDB (Conflict-free Replicated Redis Database) allows to run an application in a distributed manner across cloud and on-prem.
Activities
- Read Redis release Notes https://raw.githubusercontent.com/antirez/redis/5.0/00-RELEASENOTES
See also
- RedisInsight, a GUI management client for Windows, Linux and Mac announced in November 2019
- Key-value databases: Berkeley DB, Redis,
etcd, leveldb, RocksDB (MyRocks), Infinispan, Amazon DynamoDB, Apache Zookeeper, LevelDB, RocksDB, Pebble - Databases: Database management, SQL, NoSQL, Wide column, PostgreSQL, MariaDB, MySQL, Derby DB, MongoDB, Cassandra, SQLite, HSQL2, H2, RocksDB, Microsoft SQL Server, DB2, Oracle Database, Memcached, Berkeley DB, Collation, SingleStore, Amazon Aurora, Graph database, Amazon DynamoDB, PrestoDB, Cache hit ratio, ACID, WAL, ARIES, DBMS, OLTP, OLAP, Database Schema, CockroachDB, Tables, Views, Apache Druid, RDMS
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