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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 (

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Welcome to the IBM Ideas Portal ( - Use this site to find out additional information and details about the IBM Ideas process and statuses.

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Status Not under consideration
Created by Guest
Created on May 25, 2023

Fix code to address network bottleneck for backups

Running a backup of 70 TB currently takes up around 14 hours which is a lot.

With fast backup storage backup could be completed in 2-3 hours.

Problem is that despite the CPDS system having 2x25Gb network it should be able to write backups at 50Gb/s but it isn't able to go above 7,8 Gb/s with MTU 1500 or 10,5 Gb/s with MTU 9000.

On the connector nodes despite having 2x100Gb the maximum you can get is 15,6 Gb/s with MTU 1500 or 21 Gb/s with MTU 9000.

In case TS010074524 IBM confirmed the problem is in the NPS code as streams are incorrectly creating ending up with a limit for the whole backup process regardless in how many streams data is being written.

Needed By Quarter