Maksim Davydov created IGNITE-22189:
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Summary: Display Expiry Policy information in the system view
Key: IGNITE-22189
URL: https://issues.apache.org/jira/browse/IGNITE-22189
Project: Ignite
Issue Type: Improvement
Reporter: Maksim Davydov
Assignee: Maksim Davydov
The {{CacheView#expiryPolicyFactory}} method returns the ExpiryPolicyFactory
string representation, which at this point is a simple className +@ + hashCode
in hex, that is default {{Object#toString()}} behaviour. This is not
informative for an end user of the API.
In addition, it is useful to have information about existing cache entries that
are about to expire (eligible for cache expiry policy).
{*}TODO{*}:
* To make the {{CacheView#expiryPolicyFactory}} method return readable,
human-oriented output, one should refactor the method or
{{Factory<ExpiryPolicy>}} child classes to provide the cache expiry policy
setting in readable form with policy type and ttl.
* Within the cache group view ({{CacheGroupView}}), check the entries presence
eligible for expiry policy. It can be done with O(1) time complexity for
in-memory, and O(number of partitions) for persistent mode.
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