Data compression is a technique that reduces the size of data by removing redundant or unnecessary information, such as repeated values, spaces, or symbols. Data compression can save storage space, ...

When table has a big string column and we want to explicitly set a big compression block size for that column. Tuning min_compress_block_size and max_compress_block_size but it's hard to get the ...

It's possible that compression size is greater than it's size before compression. Parquet has two versions of data pages. In Page Version1, all page in a column chunk should share same compression and ...