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Object Storage

Observations About the Scalability of Data Loads in ADWC

In the last days, I am running a number of tests based on the TPC-DS benchmark against Oracle’s Autonomous Data Warehouse Cloud service (ADWC). One of the first thing I did is of course to create the TPC-DS schema and populate it. The aim of this blog post is to share some observations related to the population step.

I started by generating the data with the tool provided by TPC-DS: dsdgen. With the following command, I generated 1TB of data:

$ dsdgen -scale 1000 -dir /data/tpcdsdata

The tool generated, in about 24 hours, the following files:

DBMS_CLOUD Package – A Reference Guide

The Appendix A of the Using Oracle Autonomous Data Warehouse Cloud guide describes the DBMS_CLOUD package. Unfortunately, it documents only a subset of the subroutines. And, for some of them, the description could also be enhanced. Therefore, while I was testing all the subroutines the DBMS_CLOUD package provides, I took a number of notes. By the end of my tests, I got what I can call my personal reference guide to the package. Since it might help others, here it is…