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Trim common hdfs prefix in index DF #13

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shay1bz opened this issue Jul 28, 2021 · 0 comments
Open

Trim common hdfs prefix in index DF #13

shay1bz opened this issue Jul 28, 2021 · 0 comments

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@shay1bz
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shay1bz commented Jul 28, 2021

Try to recognize common path prefixes on runtime, and trim them.
For example, files in a standard table might look like:

hdfs://my_cluster/foo/bar/my_table/dt=2020-01-01/part-0000.parquet
hdfs://my_cluster/foo/bar/my_table/dt=2020-01-01/part-0001.parquet
...

On read, before the shuffle, we can trim the common prefix to reduce the shuffle size.
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