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IBM Data and AI Ideas Portal for Customers


This portal is to open public enhancement requests against products and services offered by the IBM Data & AI organization. To view all of your ideas submitted to IBM, create and manage groups of Ideas, or create an idea explicitly set to be either visible by all (public) or visible only to you and IBM (private), use the IBM Unified Ideas Portal (https://ideas.ibm.com).


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Welcome to the IBM Ideas Portal (https://www.ibm.com/ideas) - Use this site to find out additional information and details about the IBM Ideas process and statuses.

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IBM Employees should enter Ideas at https://ideas.ibm.com


Status Not under consideration
Workspace Connectivity
Created by Guest
Created on Dec 6, 2019

Generate controlled number of rowgroups in parquet file

While creating a parquet file, datastage doesn't allow the user/developer to control the number rowgroups to be created per file. We have received following feedback and suggestion from the PMR support -

"The Parquet Parser / Builder implementation does not control the creation of the RowGroup and how the data is laid out on the disk. It passes the data onto the writer API and the rowgroups are decided at the API level. We are hearing about this requirement of creating one RowGroup per file. If this is a generic requirement for most of the Parquet format users, then we can pick this up when the AHA / RFE is raised after evaluating the technical feasibility of the requirement".

Needed by Date Jan 31, 2020