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https://issues.apache.org/jira/browse/CASSANDRA-17831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brad Schoening updated CASSANDRA-17831:
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Resolution: Won't Fix
Status: Resolved (was: Open)
> Add support in CQLSH for COPY FROM / TO in compact Parquet format
> -----------------------------------------------------------------
>
> Key: CASSANDRA-17831
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17831
> Project: Apache Cassandra
> Issue Type: Improvement
> Components: Tool/cqlsh
> Reporter: Brad Schoening
> Priority: Normal
>
> CQL supports only CSV as a format for import and export. A binary big data
> format such as Avro and/or Parquet would be more compact and highly portable
> to other platforms.
> Parquet does not require a schema, so it appears the easier format to support.
> The existing syntax supports adding key value pair options, such as FORMAT =
> PARQUET
> {{ COPY table_name ... FROM 'file_name'[, 'file2_name', ...] }}
> {{[WITH option = 'value' [AND ...]]}}
> Side by side comparisons of CSV and Parquet show a 80% plus saving in disk
> space.
> [https://towardsdatascience.com/csv-files-for-storage-no-thanks-theres-a-better-option-72c78a414d1d]
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