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Posted to issues@iceberg.apache.org by GitBox <gi...@apache.org> on 2019/07/04 19:37:37 UTC
[GitHub] [incubator-iceberg] vgankidi opened a new pull request #254:
Truncate stats from Parquet files
vgankidi opened a new pull request #254: Truncate stats from Parquet files
URL: https://github.com/apache/incubator-iceberg/pull/254
Lower and upper bound values from Parquet files are not currently truncated, which takes more space than necessary in manifests. Truncating strings and binary values will probably improve performance for large tables.
This PR adds a configurable table property "write.metadata.truncate-length" with a default value of 16. Default behavior is to truncate binary values to <= 16 bytes and strings to <= 16 unicode characters.
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