alamb commented on a change in pull request #900:
URL: https://github.com/apache/arrow-rs/pull/900#discussion_r740266976



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File path: parquet/src/util/hash_util.rs
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@@ -49,7 +49,6 @@ const MURMUR_R: i32 = 47;
 
 /// Rust implementation of MurmurHash2, 64-bit version for 64-bit platforms
 fn murmur_hash2_64a(data_bytes: &[u8], seed: u64) -> u64 {

Review comment:
       @Jimexist  shall I file a ticket? I don't really know why the parquet 
implementation is using its own hash function rather than, say, `aHash` or some 
other standard hashing library in rust




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