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Doc cautions about index repo with Redis Cluster

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Due to https://github.com/spring-projects/spring-data-redis/issues/1111, applications can suffer from missing important Keyspace events as described at https://github.com/spring-projects/spring-session/issues/2230.

This adds a caution to the docs to help others avoid running into this problem and suggests an alternative.

Mitigates #2230.
This commit is contained in:
Stephen Kinser
2024-03-25 17:18:30 -06:00
committed by Marcus Hert Da Coregio
parent 0db644b620
commit 8b485b6020
1 changed files with 2 additions and 0 deletions
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spring-session-docs/modules/ROOT/pages/configuration/redis.adoc
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@@ -122,6 +122,8 @@ For example, it may create indexes based on session attributes like user ID or l
These indexes allow for efficient querying of sessions based on specific criteria, enhancing performance and enabling advanced session management features.
In addition to that, `RedisIndexedSessionRepository` also supports session expiration and deletion.
CAUTION: When using `RedisIndexedSessionRepository` with Redis Cluster you must be aware that https://github.com/spring-projects/spring-data-redis/issues/1111[it only subscribe to events from one random redis node in the cluster], which can cause some session indexes not being cleaned up if the event happened in a different node.
=== Configuring the `RedisSessionRepository`
==== Using Spring Boot Properties