Oracle TimesTen Scaleout: Revolutionizing In-Memory Transaction Processing

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Oracle Scaleout: Revolutionizing In-Memory Transaction Processing Scaleout is a brand new, shared nothing scale-out in-memory database designed for next generation extreme OLTP workloads. Featuring elastic scalability, full SQL, standard database APIs, ACID transactions, and built-in fault tolerance, Scaleout allows databases to transparently scale out to hundreds of terabytes in size and supports extremely high OLTP throughputs exceeding hundreds of millions of transactions per second. Scaleout Scaleout is based on the Oracle In-Memory Database, the industry-leading in-memory database for OLTP applications which is used by thousands of customers across many different industries. Scaleout therefore benefits from all of the industrial-strength functionality of. For instance, Scaleout features a sophisticated SQL processing engine with a full-featured cost based optimizer, far more advanced than offerings from so-called NewSQL databases. Scaleout also supports standard APIs such as JDBC, ODBC, OCI and Oracle Database compatible SQL, PL/SQL and datatypes. W H A T I S T I M E S T E N S C A L E O U T? A scale-out, shared nothing, in-memory SQL database architecture New in release 18.1 of the Oracle In-Memory Database Based on the class-leading In-Memory Database Scales out to a currently supported maximum of 64 hosts Supports very large in-memory databases up to 100s of Terabytes Supports very high transaction rates exceeding hundreds of millions per second Extremely simple to install, configure and manage Also, unlike many NewSQL databases, Scaleout supports full ACID properties, multi-statement distributed transactions, distributed joins, constraints, and global secondary indexes. These capabilities make it easy for existing applications as well as for new applications to adopt Scaleout, since no compromises are required by the application to evolve from a single node to this scale-out architecture. This new scale-out architecture provides transparent scaling across a currently supported maximum of 64 independent hosts. Data is both distributed for scalability (with a choice of multiple distribution schemes), as well as duplicated for fault tolerance, with active-active copies. Scaleout is also extremely simple to deploy and manage. The steps beginning from performing the initial installation, to having a scale-out database up and running, can be accomplished in under 15 minutes.

Transparent Scale-Out K E Y F E A T U R E S : Scales database size and throughput using a scale out, shared-nothing inmemory architecture Transactions with full ACID properties Built-in automatic high availability with active-active reads & writes Oracle compatible SQL, datatypes and APIs Elastic reconfiguration of hosts Commodity platforms: Oracle Linux, Red Hat Linux, CentOS, SuSE and Ubuntu on Bare Metal, VMs, containers and OpenStack on x86 The architecture for Scaleout enables simple and transparent scale-out across a distributed collection of compute and storage units, referred to as elements. Adding more elements to a Scaleout database enables higher read/write transaction throughput as well as greater capacity for the In-Memory Database. Elements may themselves run on a variety of host types including containers, virtual machines, or physical hosts. Large hosts enable scale-up processing in addition to scale-out processing, and allow higher peak throughputs to be achieved with fewer elements. This is because each element is based on the In-Memory Database which scales extremely well on multi-core architectures. With its elastically scalable architecture and strong HA, Scaleout is a very attractive solution for the next generation of network systems! Applications do not need to be aware of the location of the data in the database: All data in the database is accessible from any element, and a data request is automatically forwarded to the correct element(s) if that data is not present locally. However, Scaleout also provides a Data Dependent Routing API that applications can optionally use to send operations directly to the optimal element. SHIN DONGKEUN PRINCIPAL ENGINEER, SAMSUNG High Availability Scaleout high availability is simple and automatic: Each element is automatically duplicated via a transparent fault tolerance mechanism known as k- safety: Changes made by transactions are automatically replicated across all the copies of an element. This set of copies of an element is known as a replica set. All elements in a replica set are fully active and fully consistent; all data can be read and modified from any element. As long as at least one element in each replica set is available, the database continues to be fully available.

Data Distribution As the world's first Scaleout go live customer, our marketing service system was successfully deployed under the new Scaleout architecture with almost no application code changes! Not only has performance improved by more than three times, but now we can successfully support a number of new high concurrency business modules! This fully demonstrates that Oracle Scaleout is an excellent distributed relational in-memory database product for OLTP SQL based applications! TANG TANG HEAD OF CONSTRUCTION AND MAINTENANCE, CHINA MOBILE (CHONGQING) Scaleout can distribute the rows in each table in multiple ways to accommodate different application data placement scenarios: Distribution by Hash: For larger tables that need to be accessed from multiple elements, the most scalable distribution mechanism is hash based distribution (using a variant of consistent hash). This allows the contents of the table to be uniformly distributed by the hash of a distribution key in the table; e.g. distribute rows in the CUSTOMER table by hash of the CUSTOMER_ID column. This distribution is the default. Distribution by Reference: In order to minimize remote element accesses, it may be desirable to co-locate child table rows with their parent rows; for instance to have the ORDERS rows associated with a given CUSTOMER row on the same element. This is possible by distributing the ORDERS rows by the hash of the customer_id foreign key column. Duplication: Small, frequently accessed reference tables, such as a CATALOG table, can be fully duplicated on all elements. This allows all lookups and joins involving the CATALOG table to be processed locally. Duplication is ideal for small, read mostly tables (such as dimension tables). S Q L, P L / S Q L A N D S T A N D A R D A P I S Oracle compatible Datatypes Oracle compatible SQL, PL/SQL Standard APIs: JDBC, ODBC Oracle APIs: Pro*C, OCI Open Source APIs: ODPI-C, Oracle R, Node.js, Python, Ruby, Go & PHP proprietary C++ API (TTClasses)

Application Development We are very excited by the Scaleout Product! During beta testing, we successfully deployed our existing HLR/HSS application (C/ODBC) running against the Scaleout Beta product in both direct mode and C/S mode just within one hour without any code or schema change! SUNGTAE KIM CHIEF ENGINEER, ELUON Scaleout supports Oracle Database compatible datatypes, SQL and PL/SQL. It also provides many different APIs to facilitate easy development: ODBC (C/C++) TTClasses (proprietary JDBC like C++ API) JDBC (Java) OCI (C/C++) Pro*C (C/C++) ODP.NET (.NET) In addition, many open source database APIs and adapters also work with including ODPI-C, PHP, Node.js, Ruby, Python, Go, and Oracle R. Management All installation, configuration and management tasks for Scaleout are conveniently centralized and are performed from a single management instance. This instance does not participate in application SQL or transaction execution; rather it stores metadata about the configuration and topology of the system as well as the state of various components. It orchestrates the installation and configuration of the software across all the configured hosts. The administrator never has to log into the other hosts to perform these management operations. To improve availability a second management instance can be configured. SQL Developer provides a graphical dashboard for installation, configuration and monitoring of Scaleout; command line interfaces are also provided. Use Cases Scaleout is optimized primarily for OLTP and IoT style workloads. Scaleout also supports hybrid analytic (HTAP) workloads although high bandwidth OLTP is the primary focus. Example use cases include (but are not limited to) the following: Real Time Billing Real-Time Fraud Detection Real-Time Trading Real-Time Authorization Real-Time Device Tracking

Benchmarks Scaleout delivers class leading throughput for OLTP workloads. The following numbers are for the Throughput Benchmark (TPTBM) which models a typical Telecommunications application, with both read/write and read-only workloads. Read- Write workloads (with an 80-20 read to write ratio) achieved a peak of 144 Million SQL transactions per second while a read only workload achieved an astonishing 1.2 Billion SQL Selects per second. Both TPBM workloads used the same hardware: Oracle Cloud Infrastructure, 64 * BM.HighIO1.36, 10G Ethernet with NVMe SSDs

Summary of Scaleout New scale-out In-Memory Database Intended for Extreme OLTP applications Based on class-leading In- Memory Database Flexible Data Distribution schemes for all Application Scenarios Built-In High Availability with full ACID properties and Global Secondary Indexes Simple and Standard Application Development Simple to deploy and manage Scaleout supports hundreds of millions of transactions per second and allows in-memory databases to reach hundreds of terabytes in size. A Scaleout deployment supports up to 64 independent hosts, where each host can be a small VM or a large server with multiple CPU sockets. Scaleout is optimized for extremely high volume OLTP and IoT workloads such as Telecommunications real-time billing and device tracking, Financial Services - real-time trading and fraud detection, Smart Metering, etc. Scaleout is based on In-Memory Database, which is the industry leading in-memory database for OLTP workloads with thousands of customers in many different industries. As a result, Scaleout benefits from the many innovations in such as scale-up processing on multi-core servers, a sophisticated cost based query optimizer, advanced SQL functionality, multiple indexing techniques, etc. The different data distribution schemes in Scaleout support most, if not all, application requirements: Hash distribution across nodes for large tables Co-located distribution of related tables (for instance, co-located distribution of orders with customers) Fully duplicated small reference tables, such as price lists, or a list of categories. Scaleout provides a strongly consistent distributed database architecture with active active copies of data for fault tolerance. Scaleout supports fully distributed multi-statement transactions as well as global secondary indexes and global constraints. Since Scaleout is based on In-Memory Database, it supports Oracle compatible SQL and PL/SQL, Oracle compatible datatypes, as well as standard APIs such as OCI (Oracle Call Interface), JDBC, ODBC, ODP.NET. Scaleout is a very simple product to install and manage. It has a centralized management repository, a simple command line utility for all Scaleout configuration and deployment operations, and SQL Developer integration. C O N T A C T US For more information about Oracle Scaleout, visit oracle.com or call +1.800.ORACLE1 to speak to an Oracle representative. C O N N E C T W I T H U S Copyright 2018, Oracle and/or its affiliates. All rights reserved. This document is provided for information purposes only, and the contents hereof are subject to change without notice. This document is not warranted to be error-free, nor subject to any other warranties or conditions, whether expressed orally or implied in law, including implied warranties and conditions of merchantability or fitness for a particular purpose. We specifically disclaim any liability with respect to this document, and no contractual obligations are formed either directly or indirectly by this document. This document may not be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without our prior written permission. Oracle and Java are registered trademarks of Oracle and/or its affiliates. Other names may be trademarks of their respective owners. Intel and Intel Xeon are trademarks or registered trademarks of Intel Corporation. All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International, Inc. AMD, Opteron, the AMD logo, and the AMD Opteron logo are trademarks or registered trademarks of Advanced Micro Devices. UNIX is a registered trademark of The Open Group. 0718