mapleFU commented on code in PR #45016:
URL: https://github.com/apache/arrow/pull/45016#discussion_r1883163907


##########
cpp/src/parquet/properties.h:
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@@ -56,6 +56,9 @@ constexpr int32_t kDefaultThriftStringSizeLimit = 100 * 1000 
* 1000;
 // kDefaultStringSizeLimit.
 constexpr int32_t kDefaultThriftContainerSizeLimit = 1000 * 1000;
 
+// PARQUET-978: Minimize footer reads by reading 64 KB from the end of the file
+static constexpr int64_t kDefaultFooterReadSize = 64 * 1024;

Review Comment:
   ```suggestion
   constexpr int64_t kDefaultFooterReadSize = 64 * 1024;
   ```



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