oslo.cache/releasenotes/notes/enable_backend_expiration-252108d4f7bf3427.yaml
Takashi Kajinami 58b06c40d2 Support expiration time in backend
Current implementation of expiration time relies on the generation time
stored in actual cache data, thus expired cache records are not removed
from backends automatically.

Add the new option to additionally set the expiration time supported by
the cache backend, so that operators can limit amount of spaces
(especially memory spaces) used for cache data.

Closes-Bug: #1578401
Change-Id: If61871f030560079482ecbbefeb940d8d3c18968
2024-10-14 00:12:45 +09:00

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YAML

---
features:
- |
The new ``[cache] enable_backend_expiration`` option has been added. When
this option is set to ``True``, all cache records are added to the cache
backend in use with expiration time, so that expired records are
automatically purged by the reclaiming feature in the backend.