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Posted to commits@arrow.apache.org by GitBox <gi...@apache.org> on 2021/04/15 10:42:41 UTC

[GitHub] [arrow-site] pitrou commented on a change in pull request #97: ARROW-11911: [Website] Add protobuf vs arrow to FAQ

pitrou commented on a change in pull request #97:
URL: https://github.com/apache/arrow-site/pull/97#discussion_r613960336



##########
File path: faq.md
##########
@@ -211,6 +211,31 @@ the Arrow format to disk prior to the development of the Arrow IPC file format.
 "Feather version 2" is now exactly the Arrow IPC file format and we have
 retained the "Feather" name and APIs for backwards compatibility.
 
+#### **How does Arrow relate to Protobuf?**
+
+Google's protocol buffers library (Protobuf) is not a "runtime in-memory
+format."  Similar to Parquet, Protobuf's representation is not suitable for
+processing.  Data must be deserialized into an in-memory representation like
+Arrow for processing.
+
+For example, unsigned integers in Protobuf are encoded as varint where each

Review comment:
       "varint" can be cryptic to the reader




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