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Added docs to use TTL on AWS ElastiCache #2181

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Added docs to use TTL on AWS ElastiCache #2181

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2 changes: 1 addition & 1 deletion src/main/asciidoc/reference/redis-repositories.adoc
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Expand Up @@ -592,7 +592,7 @@ The `RedisKeyExpiredEvent` holds a copy of the expired domain object as well as

NOTE: Delaying or disabling the expiry event listener startup impacts `RedisKeyExpiredEvent` publishing. A disabled event listener does not publish expiry events. A delayed startup can cause loss of events because of the delayed listener initialization.

NOTE: The keyspace notification message listener alters `notify-keyspace-events` settings in Redis, if those are not already set. Existing settings are not overridden, so you must set up those settings correctly (or leave them empty). Note that `CONFIG` is disabled on AWS ElastiCache, and enabling the listener leads to an error.
NOTE: The keyspace notification message listener alters `notify-keyspace-events` settings in Redis, if those are not already set. Existing settings are not overridden, so you must set up those settings correctly (or leave them empty). Note that `CONFIG` is disabled on AWS ElastiCache, and enabling the listener leads to an error. To work around this error the `keyspaceNotificationsConfigParameter` parameter must be set to `null` or empty string. This prevents Spring Data Redis from using the `CONFIG` command.

NOTE: Redis Pub/Sub messages are not persistent. If a key expires while the application is down, the expiry event is not processed, which may lead to secondary indexes containing references to the expired object.

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