[GitHub] [arrow-ballista] collimarco commented on issue #645: Introduce a source data cache layer

["collimarco (via GitHub)" <gi...@apache.org>]

collimarco commented on issue #645:
URL: https://github.com/apache/arrow-ballista/issues/645#issuecomment-1612793857

   I am definitely interested in this feature, thanks for posting this. I came to the exact same conclusions while testing on large datasets stored on S3: the approach suggested here is definitely the best. The bandwidth is the bottleneck and sending the requests to the same executors, that cache on disk, using an hashing algorithm, is definitely the best solution.


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