shangxinli commented on code in PR #242: URL: https://github.com/apache/parquet-format/pull/242#discussion_r1616431626
########## README.md: ########## @@ -107,12 +113,97 @@ start locations. More details on what is contained in the metadata can be found in the Thrift definition. Metadata is written after the data to allow for single pass writing. +This is especially useful when writing to backends such as S3. Readers are expected to first read the file metadata to find all the column chunks they are interested in. The columns chunks should then be read sequentially.  +### Parquet 3 Review Comment: People, who are not involved in the discussion of Parquet 3, might wonder why suddenly Parquet '3'? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
