Comments (1)
sathyaphoenix
commented on April 16, 2024
The easiest way to do this would be to have an epoch for all the cache items that is bumped up on version change and let your application code do epoch checks after find() while having some background thread purge expired epochs or let them fall out of cache as the reads taper off. This does not accomplish your goal as you outline it above on how it can be done, but wonder if this meet the application level requirement to wipe out the cache. Few more questions
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what's the intent with clearing the cache on leader change ? Is it purely for coeherence to avoid stale reads from being served while routing change propagates ?
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do you have additional requirement to reclaim the cache space within a certain timeframe to make space for new data ?
from cachelib.
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from cachelib.