https://www.ibm.com/docs/en/ims/15.3.0?topic=sets-changing-rdds-block-sizes
IMS 15.3 - System definition - Changing RDDS block sizes
You can change the block size of the RDDS without bringing down IMS.
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https://www.rachelduarteds.com/
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https://www.identity.digital/policies/whois-layered-access
Policies | Requests for Non-Public RDDS Data
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https://www.ibm.com/docs/en/ims/15.2.0?topic=drdmc-migrating-non-drd-enabled-ims-system-drd-rdds
IMS 15.2 - Release planning - Migrating a non-DRD-enabled IMS system to DRD and an RDDS
To enable dynamic resource definition (DRD) with an resource definition data set (RDDS), you need to enable DRD, specify and allocate the RDDS, and import the...
https://www.analyticsvidhya.com/blog/2016/09/comprehensive-introduction-to-apache-spark-rdds-dataframes-using-pyspark/
Comprehensive Introduction - Apache Spark, RDDs & Dataframes (PySpark)
apache sparkcomprehensiveintroductionrddsdataframes
https://www.databricks.com/blog/2015/11/10/succinct-spark-from-amplab-queries-on-compressed-rdds.html
Succinct Spark from AMPLab: Queries on Compressed RDDs | Databricks Blog
The UC Berkeley AMPLab is very excited to release Succinct Spark, as an Apache Spark package, that enables search, count, range and random access queries on...
succinctsparkamplabqueriescompressed
https://www.ibm.com/docs/en/ims/15.5.0?topic=definition-cold-starting-ims-system-that-uses-rdds
IMS 15.5 - Operations and automation - Cold starting an IMS system that uses an RDDS
IMS systems that use dynamic resource definition to manage application programs, databases, Fast Path routing codes, and transactions can save resource...
operations and automation