asfimport commented on issue #405:
URL: https://github.com/apache/parquet-format/issues/405#issuecomment-2184154115

   [Xuwei 
Fu](https://issues.apache.org/jira/browse/PARQUET-2222?#comment-17693874) / 
@mapleFU:
   ok, I got it. Previously I found `RLE` format requires a length here:
   
   ```
   
   `rle-bit-packed-hybrid: <length> <encoded-data>`
   
   `length := length of the <encoded-data> in bytes stored as 4 bytes little 
endian (unsigned int32)`
   
   `encoded-data := <run>*`
   
   `````
   
   So I thought it already has `length` in encoded data, but actually, in data 
page v2's rep-levels and def-levels, length is not included?


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