Avoid duplicated Cached promises when invalidating expanded postings cache #6452
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What this PR does:
Store the seed directly in the cacheEntryPromise struct. By doing this, we can reuse the same cache key instead of generating a new one for cache invalidation. This approach prevents obsolete cache entries from lingering until they expire and allows for the creation of a new metric to track the number of keys that were invalidated.
Which issue(s) this PR fixes:
Fixes #
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX]