Tuesday, 23 October 2018 15:37

Oracle Autonomous Database does more, costs less: claim

Oracle CTO and chairman Larry Ellison Oracle CTO and chairman Larry Ellison

"We guarantee to cut your Amazon bill in half" if you move databases from AWS database management services to Oracle Autonomous Database running on Oracle Cloud, Oracle chief technology officer and chairman Larry Ellison has told the company's annual conference, Oracle Open World.

One reason for the saving is that Autonomous Database is genuinely elastic: when you're not actually using ADB you only pay for storage, nothing else, Ellison said.

"It is a true case of 'you only pay for what you use, while you're using it'," he said.

Automated features include provisioning, scaling, tuning, security, fault tolerance, and back-up and recovery.

Security features include automatic remediation while the database is running, helping to provide the 99.995% availability. It is at least 25 times more reliable than Amazon's database, Ellison said.

If a database failure does occur, all users see is a one to two second pause during the failover process.

"We've been working on this for a very long time," adding automation to every generation of the Oracle Database and to the infrastructure it runs on.

The result is "the world's first self-driving, autonomous database."

It frees database administrators to work on innovation for their organisations, and helps developers work faster and more productively, he said.

Autonomous Database is available in two versions. Autonomous Data Warehouse (for analytics)was released in March 2018, and Autonomous Transaction Processing (for transaction processing and mixed workloads) arrived in August 2018.

Databases are automatically tuned with the aid of machine learning. Identified changes are tested in the background, and if successful are executed once. In the event that performance decreases, the changes are backed out.

In practice, Autonomous Database is up to twice as fast as a human-tuned database for data warehouse workloads. "The automation is very effective," observed Ellison.

An expert-tuned database for complex Netsuite workloads was only slightly improved by Autonomous Transaction Processing, but that performance was achieved with a lot fewer indexes.

Planned features for Autonomous Data Warehouse include autonomous partitioning, and automatic scaling between user-selected upper and lower limits in the number of CPUs.

Among the new features coming for Autonomous Transaction Processing are the option of dedicated infrastructure (Exadata compute, storage and RDMA fabric) with isolation enforced in hardware, guaranteed 99.995% availability, support for Cloud@Customer, and additional self-tuning capabilities including automatic scaling in both directions.

The writer attended Oracle Open World as a guest of the company.


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Stephen Withers

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Stephen Withers is one of Australia¹s most experienced IT journalists, having begun his career in the days of 8-bit 'microcomputers'. He covers the gamut from gadgets to enterprise systems. In previous lives he has been an academic, a systems programmer, an IT support manager, and an online services manager. Stephen holds an honours degree in Management Sciences and a PhD in Industrial and Business Studies.



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