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Exadata is a combined hardware and software platform that includes [[Scale out|scale-out]] [[x86-64]] compute and storage servers, [[RDMA over Converged Ethernet|RoCE]] networking, RDMA-addressable memory acceleration, [[NVM Express|NVMe]] flash, and specialized software.<ref name=":0">{{Cite web|last=Pedregal-Martin|first=Cristobal|title=Exadata: Why and What|url=https://blogs.oracle.com/exadata/exadata-why-and-what}}</ref>
Exadata was introduced in 2008 for on-premises deployment, and since October 2015, via the [[Oracle Cloud]] as a subscription service, known as the ''Exadata Database Service on Dedicated Infrastructure,''<ref>{{Cite web |last=Various |date=July 11, 2024 |title=Oracle Exadata Database Service on Dedicated Infrastructure |url=https://www.oracle.com/engineered-systems/exadata/#dedicated-infrastructure |access-date=July 11, 2024 |website=oracle.com}}</ref> and ''Exadata Database Service on Exascale Infrastructure''.<ref>{{Cite web |last=Various |date=July 11, 2024 |title=Exadata Database Service on Exascale Infrastructure |url=https://www.oracle.com/engineered-systems/exadata/#exascale |access-date=July 11, 2024 |website=oracle.com}}</ref> ''Exadata Cloud@Customer''<ref>{{Cite web |last=Various |date=July 11, 2024 |title=Oracle Exadata Cloud@Customer |url=https://www.oracle.com/engineered-systems/exadata/#exadata-cloudatcustomer |access-date=July 11, 2024 |website=oracle.com}}</ref> is a hybrid cloud (on-premises) deployment of Exadata Database Service.
Starting December, 2023, Exadata Database Service became available for Microsoft Azure, Google and AWS public clouds within the ''Oracle Database@Azure'', ''Oracle Database@Google Cloud'' and ''Oracle Database@AWS'' [https://www.oracle.com/cloud/multicloud/ multicloud partnerships].
==Use cases==
Exadata is designed to run all Oracle Database workloads, such as [[OLTP]], Data Warehousing, Analytics, and AI
Historically, specialized database computing platforms were designed for a particular workload, such as Data Warehousing, and poor or unusable for other workloads, such as OLTP. Exadata specializes in mixed workloads sharing system resources with resource management features for prioritization, such as favoring workloads servicing interactive users over reporting and batch. Long running requests, characterized by Data Warehouses, reports, batch jobs and Analytics, are reported to run many times faster compared to a conventional, non-Exadata database server.<ref>{{Cite web |last=Various |date=July 11, 2024 |title=Exadata Customer Success Stories |url=https://www.oracle.com/customers/?search=exadata |access-date=July 11, 2024 |website=oracle.com}}</ref><ref>{{Cite web |last=Various |date=July 11, 2024 |title=Gartner Peer Insights: Oracle Exadata Database Machine |url=https://www.gartner.com/reviews/market/integrated-systems/vendor/oracle/product/oracle-exadata-database-machine |access-date=July 11, 2024 |website=Gartner.com}}</ref>
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! Primary Software Enhancements
! Primary Hardware Enhancements
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|Database@AWS
|Exadata Database Service available with AWS
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| rowspan="6" |X11M - Jan 2025
|AI Vector search acceleration - up to 55% faster
|25% faster compute core performance
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|Analytics scan throughput increase - 2.2x faster
|33% greater server memory bandwidth
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|Transaction processing acceleration - 25% faster
|11% faster storage core performance
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|OLTP read latency acceleration - up to 21% faster (14 microseconds)
|PCIe 5 performance-optimized flash
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|Intelligent power management - reduce CPU cores, cap power consumption, optimize power utilization
|X11M-Z database and storage servers
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|Available on-premises, Oracle Cloud, Cloud@Customer and multicloud (Azure, Google Cloud, AWS)
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|Database@Google Cloud
|Exadata Database Service available with Google Cloud
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| rowspan="3" |Exadata Exascale
July, 2024
|Fully elastic pay-per-use architecture. Users specify the cores and storage capacity needed, reducing entry-level infrastructure costs for Exadata Database Service and aligning costs with usage
| rowspan="3" |None
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|Large pools of shared compute and storage allow databases to quickly scale over time without concern for server-based size limitations or disruptive migrations
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|Rapid and efficient database snapshots and thin cloning
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|Database@Azure
|Exadata Database Service available with Microsoft Azure
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| rowspan="5" |X10M - June 2023
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|2x increase in memory capacity
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|Exadata
|Exadata on Oracle Cloud Infrastructure (OCI)
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