kylebarron commented on code in PR #6157:
URL: https://github.com/apache/arrow-rs/pull/6157#discussion_r1725671718
##########
parquet/src/arrow/async_reader/metadata.rs:
##########
@@ -52,7 +51,44 @@ impl<F: MetadataFetch> MetadataLoader<F> {
/// Create a new [`MetadataLoader`] by reading the footer information
///
/// See [`fetch_parquet_metadata`] for the meaning of the individual
parameters
- pub async fn load(mut fetch: F, file_size: usize, prefetch: Option<usize>)
-> Result<Self> {
+ pub async fn load(mut fetch: F, prefetch: Option<usize>) -> Result<Self> {
+ let suffix =
fetch.fetch(GetRange::Suffix(prefetch.unwrap_or(8))).await?;
Review Comment:
As described
[here](https://github.com/apache/arrow-rs/pull/5222#issuecomment-1874131333),
the default implementation for azure is to make two requests: one for the the
length and another for the suffix data. But then this is much more performant
on all other platforms
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