nuno-faria commented on code in PR #17031:
URL: https://github.com/apache/datafusion/pull/17031#discussion_r2253600445
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datafusion/datasource-parquet/src/file_format.rs:
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@@ -449,17 +449,14 @@ impl FileFormat for ParquetFormat {
// Use the CachedParquetFileReaderFactory when metadata caching is
enabled
if self.options.global.cache_metadata {
Review Comment:
I think caching by default would be good. The only situation where it
wouldn't help would be one-time scans of parquet files that do not require the
page index, but for large files the scan should largely outweigh the page index
retrieval anyway.
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