[GitHub] [iceberg] melin commented on pull request #4518: core: Provide mechanism to cache manifest file content

[GitBox <gi...@apache.org>]

melin commented on PR #4518:
URL: https://github.com/apache/iceberg/pull/4518#issuecomment-1131536413

   CachedFileIO caches the data accessed for the first time. For the mpp database, it affects the corresponding time of the first access. Can snapshot changes be notified to CachedFileIO? Clean cached data, metadata can be cached for a long time. 
   All metadata is cached in dremio and updated regularly. Snapshot changes, update time is not timely, avoid reading metadata and cause query delay


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