2. Oracle Database via Direct NFS Client
Ideal for your high performance database environment
Bryce Cracco
Senior Product Manager – Storage
Kevin Jernigan
Senior Director Product Management – Database
Rob Giltrap
Senior Storage Sales Consultant

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4. Fast. Simple. Efficient. Co-Engineered for Optimal Performance.
Oracle ZFS Storage Appliance has Delivered Record Performance and Efficiency with both NAS and SAN Protocols
Oracle Database Direct NFS Client is the Most Intelligent and Most Convenient Storage Interface
Fast. Simple. Efficient. Co-Engineered for Optimal Performance.

5. Direct NFS/NAS is a Best Practice for Modern Database Storage
Easy to deploy and administer
Easy to expand and change as application needs change
Simple networking: Runs over standard Ethernet
Less expensive (CAPEX and OPEX) than FC SAN
Shared filesystem for Real Application Cluster environments
Fast: Industry-leading “SAN” results on Oracle ZFS Storage Appliance with Ethernet

6. Oracle IT and Oracle Cloud usage
Global IT
Customer IT
Product Development IT
Global voice, network infrastructure and data center operations
IT risk and compliance
Supporting 100K+ internal users and 1.2M+ external users in 145 countries
Comprehensive Cloud Products and Services for Business and IT
Supporting over 25M users in more than 4,000 environments
~ 3.2 billion database transactions per hour; ~ 5.5 million business transactions per day
Product development operations
Supporting 22K+ developers building over 3K products globally
10K hosts executing 90K jobs per day
235K compute hours per day
200PBs of Oracle ZFS Storage Appliance accessed via NAS

7. Legacy Perception of NAS is Not Accurate
Perception of slower performance for NAS vs. SAN/FC
Used to be true, but things have changed, let’s get back to that in a minute…
Client configuration complexity
Used to need to tune and configure Database host OS NFS client
Higher CPU utilization
Belief this could be significant in highly resource constrained systems
Note that this was a much bigger deal in the ‘90s
Enterprise storage systems “worked better” as block arrays than as filers
These assertions are based on antiquated storage architectures

8. Standard NFS Architecture
Standard NFS client
NAS Storage
Database
Linux NFS client RPC daemon …
LGWR I/O queue …
DBWR I/O queue
Just 1 TCP connection per mount …
PQ slave I/O queue …
RMAN I/O queue
Each Oracle process can issue 100s of concurrent I/Os
RPC I/O daemon limits number of concurrent I/Os

9. Oracle Direct NFS Eliminates Database NAS Challenges
An advanced NFS client inside Oracle Database
Dramatic performance improvements versus host OS NFS clients
Improves high availability of Database NAS implementations
Vastly reduces NAS CPU utilization impact
Simplifies NFS client management uniformly across different host OS platforms
SAN (FC) Performance with NAS Cost and Manageability

10. Direct NFS Architecture
Direct NFS client
NAS Storage
Database …
LGWR I/O queue
LGWR TCP connection …
DBWR I/O queue
DBWR TCP connection …
PQ slave I/O queue
PQ slave TCP connection …
RMAN I/O queue
RMAN TCP connection
Direct NFS can issue 1000s of concurrent operations due to the parallel architecture
Every Oracle process has its own TCP connection

11. Direct NFS Scalability and High Availability
Direct NFS improves HA and optimizes server scalability
Supports up to 4 parallel network paths to storage
Displays linear scaling over both 1GbE and 10GbE paths
Automatically load balances across all network paths
No extra configuration necessary
Failover messages in the event of a path failure 3 5 1
Automatic load balancing across all paths 7 6 2
Path 3 goes down 7 3 8 4

12. Overcoming Traditional Database NAS Challenges
Evolution of Enterprise NAS Systems
Enterprise NAS System evolution
Some modern NAS systems offer remarkable performance
Oracle ZFS Storage Appliance smashing benchmark results, supplanting FC arrays
200 PBs of Oracle ZFS Storage Appliance, all NAS, at Oracle IT’s own data centers

13. Original NAS Architecture
NAS Clients
Front End NAS Gateway
Back End FC Arrays
Ethernet FC
Gateway is a “bump in the wire”
May as well go straight to FC

14. Antiquated NAS Architecture
NAS Clients
Storage “Product”
Front End NAS Gateway
Back End FC Arrays
Ethernet FC
Sold as single system
But still really a gateway
Still a “bump in the wire”

15. Modern NAS / Unified Architecture
No “bump in the wire” for NAS
Less distinction between File versus Block data paths
High performance for both Block and File workloads
Protocol choice becomes a matter of management preference

16. Direct NFS vs. FC Performance Compared
Oracle ZFS Storage Appliance performance result example
The performance of FC with the management simplicity and economics of NFS

17. Evolution of Direct NFS – Database Aware Storage
Building Intelligence Into Database Storage
File protocols (NAS) allow the Database to access an actual filesystem on storage, not just a LUN or abstracted volume
Possible to use a NAS framework to embed information that the storage can understand
Requires intelligence engineered into both the Database and storage to work as one system
Integration is an Oracle-on-Oracle advantage
How can we leverage the unique architecture of Oracle ZFS Storage?

18. Oracle ZFS Storage Appliance Performance Architecture
Powerful Enterprise Hardware
Hybrid Storage Pool
2TB
DRAM
12TB
READ
FLASH
4 Write SSDs per Tray (max)
7.2K
SAS-2
10K
WRITE FLASH
SLC NAND Sync I/O Only
2TB DRAM
Adaptive I/O Staging
SAS-2 (15K, 10K, 7K)
LRU
MRU
Adaptive Throttle Algorithm Determines Pipe Size
80 Cores Processing Power
2TB DRAM
LFU
MFU
READ FLASH
12.8TB Read Flash
(Evicted)
MLC NAND L2ARC
10.5TB Write Flash
Highly dynamic, tunable system for optimized performance
Advanced caching and intent logging features accelerate system performance

19. Oracle Intelligent Storage Protocol
Database and Storage Co-engineering
Intelligence is in the code within both the database and storage
Available ONLY with Oracle Database 12c and Oracle ZFS Storage Appliance OS 8 and above
Storage Awareness of Database Workload
Database sends cues about each IO to the storage
Over 70 database IO types are recognized
Cues grouped into 5 distinct categories by storage
Information used by storage to adaptively and automatically adjust for optimal efficiency

20. Get the most out of Oracle Database 12c
Oracle ZFS Storage Appliance with Direct NFS – Start testing it now!
Proven, enterprise ready solutions with single point of support
Advanced Hybrid Storage Pool architecture
Optimal performance while minimizing hardware costs
Advanced storage snapshot integration, including at PDB level
Native Infiniband support for superior throughput
Oracle Intelligent Storage Protocol
Automated storage tuning
Hybrid Columnar Compression for data warehousing and archiving
Uniquely available with Oracle storage
Pair with ADO and Heat Map features for automated tiering

21. Get the most out of Oracle Database 12c
Direct NFS with Remote Direct Memory Access (RDMA)
New in Oracle Database 12c; available with next release of Exadata software
Retains all Direct NFS benefits
Implements NFS RDMA protocol over Infiniband
RDMA zero copy transfers eliminate buffer copies resulting in memory bus savings
RDMA hardware offloading frees up main system CPUs from networking tasks
Drastically reduced CPU utilization and improved response times
Increased bandwidth utilization due to massively parallel IO operations
Use Case: RMAN backup to ZFS Storage Appliance
Direct NFS over RDMA saturates Infiniband QDR (40Gb/s) pipes
High performance backup solution for Exadata systems

22. “Using Direct NFS for our Oracle Database 12c environment with the Oracle ZFS Storage Appliance accelerated our database performance while simplifying storage management.”
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Duanne O’Brien, CTO, Loyalty NZ

23. Loyalty New Zealand – Who We Are
Specialist loyalty marketing and data analytics company
Flagship programme, Fly Buys, is one of the world’s most successful loyalty programmes
Partnered with New Zealand’s leading brands
2.5 million active card holders
Data is collected from around 100 million transactions every year
Over 400 million points given to cardholders every year

24. Our Data Warehouse Environment
16 Years of Data
2.5 Million Active Cardholders
9TB and Growing 800GB per Year
5,767 Million Rows SKU
1,240 Million Rows Points Transactions

25. Transition From Old to New
Oracle DB 11g R1
Oracle Linux 5
HP Servers
EMC SAN
ASM
Oracle DB 12C
Oracle Linux 6.5
Oracle X4-2 Server
Oracle ZS3-2 Storage
Direct NFS

26. The Results Basic Compression 3:1 Total Space Reduction 9.7TB to 3.3TB
Full 1GB/s Throughput Over 10GbE
Warehouse query runtime reduction by 6x

27. Storage Performance