Redis

Last updated:

|Edit this page

On this page

Redis is an in-memory data structure store, used as a distributed, in-memory key–value database, cache and message broker, with optional durability.

Questions?

Was this page useful?

Next article

Zookeeper

ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services. At PostHog we use it to store metadata information for ClickHouse and Kafka . Failure modes Disk space usage increases rapidly It has been observed that Zookeepers can suddenly increase it's disk usage, after being in a stable state for some time. This can sometimes be resolved by ensuring that old Zookeeper snapshots are cleared. If you…

Read next article