Sergey Chugunov created IGNITE-28692:
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Summary: Validate cache backup filters for caches started in
MultiDC environments
Key: IGNITE-28692
URL: https://issues.apache.org/jira/browse/IGNITE-28692
Project: Ignite
Issue Type: Task
Reporter: Sergey Chugunov
Assignee: Sergey Chugunov
Fix For: 2.19
MultiDC support enables stretching single Ignite cluster between 2+ data
centers which in turn allows increase data availability by having a copy of
data in each DC.
But spreading copies between DCs requires additional configuration on cache
level, and a user could forget or miss this part of configuration.
To prevent this we need to implement several things:
* A warning on cache start to reflect this lack of configuration in logs.
* A boolean cache metric indicating that configuration may be wrong.
* A boolean cache metric indicating that with current configuration actual
partition distribution between data centers does not have the property "one
copy of data in each DC".
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