Presto: What is the difference between Physical Input Data and Input Data in Presto-dashboard?

Created on 21 Jun 2019  路  2Comments  路  Source: prestodb/presto

Hello everyone!
I just used Presto. I don't understand the difference between the following parameters on the Presto panel. Please help me, thank you!
image

picture groobyming

Most helpful comment

My understanding is that input data is the size after decompression, while physical input data is the size before decompression.

picture shixuan-fan on 21 Jun 2019
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My understanding is that input data is the size after decompression, while physical input data is the size before decompression.

shixuan-fan picture shixuan-fan on 21 Jun 2019
👍4

@shixuan-fan Thanks. I found the raw data is parquet with snappy compression mode, and I This is the reason for the difference .

groobyming picture groobyming on 24 Jun 2019
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