![]() ![]() Set the Linux kernel overcommit memory setting to 1. Install Ubuntu 22.04 with swap enabled and equal to the amount of RAM on the system. The following guide lists down the procedure for installation of Redis on Ubuntu 22.04 server with Redis 7.0.7. Redis has an additional layer of Sentinel which can be used to configure High Availability of multiple Redis servers and perform fail-over in case of outage of the master Redis server. In case the replica is not able to perform partial sync the master provides a snapshot of all its data to the replica and after that incremental sync continues. The replica servers initially perform full data synchronizations and then perform incremental updates. ![]() The deployment supports a master Redis server which performs read/write operations and replica servers which perform synchronization of data from the master. Multiple Redis servers can be deployed to perform data replication. Redis also supports simple, powerful commands for working with data, such as “get”, “set”, “incr”, and “lpush”, among others. It supports various data structures such as strings, hashes, lists, sets, and sorted sets, with atomic operations for manipulating them. It can be used as a database, cache, and message broker. Redis is an open-source in-memory key-value data store. ![]()
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