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Posted to gitbox@hive.apache.org by GitBox <gi...@apache.org> on 2019/06/04 21:42:40 UTC
[GitHub] [hive] sam-an-cloudera opened a new pull request #662: Hive-21787:
Metastore table cache enhancement
sam-an-cloudera opened a new pull request #662: Hive-21787: Metastore table cache enhancement
URL: https://github.com/apache/hive/pull/662
Metastore currently uses black/white list to specify patterns of tables to load into the cache. Cache is loaded in one shot "prewarm", and updated by a background thread. This is not a very efficient design.
In this feature, we try to enhance the cache for Tables with LRU to improve cache utilization.
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