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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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IBM Employees should enter Ideas at https://hybridcloudunit-internal.ideas.aha.io/


Status Not under consideration
Workspace Spectrum LSF
Created by Guest
Created on Dec 12, 2018

To enable increase in the memory for a job when overall memory resource limit is in place in lsb.resources

Case#Case number TS001621460 can be referred for this RFE.

Explanation was: I have discussed with development team again, currently, LSF can not satisfy the increase memory request by bmod command for a running job when there is a general limit defined in lsb.resources. This should be a limitation. Because the general limit defined in lsb.resources which is handled by scheduler, but bmod is handled by mbatchd. When bmod a job, mbatchd cannot know whether the operation will break general limit, so it rejects the request directly. This behavior is introduced together with lsb.resources and hasn't changed ever since. I totally agree with you that it should be re-considered from user point of view especially when the user just have one job running and want to enlarger the memory usage.