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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2019/03/04 19:53:59 UTC
[GitHub] [incubator-druid] leventov opened a new issue #7186: Caffeine-based
remote cache with adaptive admission windows
leventov opened a new issue #7186: Caffeine-based remote cache with adaptive admission windows
URL: https://github.com/apache/incubator-druid/issues/7186
[Caffeine 2.7.0](https://github.com/ben-manes/caffeine/releases/tag/v2.7.0) introduces a cool feature of adaptive admission window size to balance between recency and frequency.
This issue is about the idea to apply this in Druid and have admission windows on Historical nodes to "prove" that segment results are "worth" to be propagated to remote dedicated cache nodes (be it memcached or Java servers running Caffeine).
This issue exists to track https://github.com/ben-manes/caffeine/issues/303, where I think the main discussion should happen.
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