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Exadata

The machine built for the database: intelligent storage, RDMA and offload — the performance a generic x86 can't deliver.

FOCUS · THE DATABASE IRONConsolidating dozens of databases on a machine designed to do it
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01 · What it is

Oracle Exadata, made clear.

Exadata is hardware and software co-designed for Oracle Database: storage servers execute part of the queries (Smart Scan), the RDMA network removes the bottlenecks, the flash cache understands database blocks. The result: massive consolidation, extreme-OLTP latencies and the reports that used to finish overnight closed in minutes.

Smart Scan
queries filtered in the storage: the result travels, not the data
X11M
the current generation: columnar memory, RDMA, flash and tailored capacity
10:1
the typical consolidation: dozens of databases on a single machine
Oracle Exadata
OFFICIAL ORACLE BRANDING · EXADATA
FOTO UFFICIALE ORACLE · EXADATA X11M DATABASE SERVER · FONTE: ORACLE DOCS
OFFICIAL ORACLE PHOTO · EXADATA X11M DATABASE SERVER · SOURCE: ORACLE DOCS
02 · How to use it well

The things that make the difference.

Inside the machine

The databases (OLTP + analytics)consolidated, isolated, governed
DB servers
RDMA fabric
Intelligent storage servers
compute · transport · filter
Smart Scan & flash cachethe offload that makes the difference
Exadata X11Mthe co-designed iron
The database at its peak, by design

Consolidation with isolation

CDBs/PDBs and governed resources: many databases, one iron, zero fights.

Platform patching

Quarterly bundles across iron, storage and database, orchestrated: maintenance as a process.

Capacity planning

IORM and real metrics: the machine grows on facts, not on fear.

Native HA

RAC on top, redundant storage underneath: the single failure is a non-event.

03 · In depth

RDMA, Smart Scan and the storage that thinks

Exadata X11M pushes on the System Software: database servers talk to storage servers via RDMA over Converged Ethernet (microsecond latencies), Smart Scan filters rows and columns right on the storage returning only the result, the flash cache and XRMEM cache keep hot blocks close to the compute, storage indexes skip whole ranges of data. IORM regulates resources across databases: consolidation without a brawl.

  • Smart Scan — the WHERE executed on the storage: the CPU receives the result, not the blocks
  • RDMA (RoCE) — memory-to-memory across nodes: microsecond latencies on redo and cache fusion
  • XRMEM cache — the memory-latency cache on the storage servers: OLTP that flies
  • Storage index — min/max per region: whole GBs skipped without reading them
  • IORM — the I/O resource manager: batch doesn't drown OLTP
  • Columnar flash — data reorganized columnar in flash: analytics accelerated on its own
04 · Numbers and lifecycle

The numbers that matter.

μs
the I/O latencies with RDMA and XRMEM
~10x
the typical database consolidation factor
100%
compatible: it's Oracle Database, no rewrites
X11M
the current generation: ~18-month refresh
Exadata pays off with the right tuning: IORM, services and consolidation plans designed by us — and the DBA sleeps again.
05 · Use cases

Where it really pays off.

Core banking & ERP

The databases that can never slow down.

License consolidation

Fewer cores, more yield: the Oracle bill optimized.

Analytics on live data

Heavy reports without copying the data elsewhere.

Exadata pays off if it's governed by people who know it: we manage it as a platform, not as a server.