Improve performance for line-oriented Hive formats #18703
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File system implementations are expected to return suitably buffered input streams, thus the read sizes do not reflect calls to the underlying storage and should not be monitored. The overhead of statistics for small reads exceeded the cost of the reads.
dain
approved these changes
Aug 16, 2023
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File system implementations are expected to return suitably buffered input streams, thus the read sizes do not reflect calls to the underlying storage and should not be monitored. The overhead of statistics for small reads exceeded the cost of the reads.
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