The document discusses the key features and capabilities of Oracle NoSQL database including its flexible key-value data model, ACID transactions, horizontal scalability, high availability, elastic configuration, and integration with other Oracle products. It provides examples of using Oracle NoSQL for CRUD operations and defining schemas using Apache Avro. Performance testing results are shown demonstrating predictable and scalable performance as the cluster is expanded.

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Oracle NoSQL
O que o Oracle NoSQL tem para oferecer?
Bruno Borges
Principal Product Manager
Oracle Latin America
Agosto, 2014
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•Bruno Borges
–Principal Product Manager, Java Evangelist
–Oracle Latin America
–@brunoborges
–bruno.borges@oracle.com
Speaker

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Embedded
+Light weight
Web Scale-out & Real-time events
+Schema-less
+Relaxed consistency
+Built-in availability
Web & Departmental
+SQL and NoSQL
+Basic security
Mission Critical OLTP and Data Warehousing
+SQL, Transactions
+High Availability and Security
+Multitenant architecture
Oracle Enterprise Manager
Oracle Enterprise Manager
Providing the right database technology for the job
Oracle Databases

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Oracle NoSQL Database
•Key Features
–Flexible Key-Value Data Model
–ACID transactions
–Horizontally Scalable
–Highly Available
–Elastic Configuration
–Simple administration
–Intelligent Driver
–Commercial grade software and support
Scalable, Highly Available, Key-Value Database
Application
Storage Nodes Datacenter B
Storage Nodes Datacenter A
Application
NoSQL DB Driver
Application
NoSQL DB Driver
Application

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Key-Value Database, Escalável, Distribuido
Oracle NoSQL Database
•Topologia Inteligente
–Reliability process placement
–Integrated load balancing
–Data center awareness
–Multi-master, wide partitioning
•Elastic Expansion
–Auto rebalance & compaction
•Base and ACID
–Rollback on failures
Application
Smart Topology Driver

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Oracle NoSQL Database by the Numbers
•Predictable performance over time
–No planned outages required
•Smart resource management
–Scale JUST when needed
•Upgrade releases with no outage
Performance, Scale and Manageability Testing

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Performance Previsível
•Qual a importância?
–360 clientes utilizados
–Geração de dados contínua
–Cluster expandido em 50%
–Baixa latência
–Alto throughput
–Sistema sempre online
–Pronto para mais clientes
Expansão de Cluster Online
0
1
2
3
4
5
6
7
8
0
10.000
20.000
30.000
40.000
50.000
60.000
70.000
144 (48x3)
20%
40%
60%
80%
216 (72x3)
Average Latency (ms)
Throughput (ops/sec)
95/5 Read/Update Throughput
Throughput (ops/sec)
Read Latency (ms)
Update Latency (ms)

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Gestão Inteligente de Recursos
•Qual a importância?
–Prepare-se para o Natal
•Aumento em número de clientes para 540
•Escala linear de throughput
•Latência permanece a mesma: 6ms
•Sistema sempre online
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Escale somente quando necessário
0
10.000
20.000
30.000
40.000
50.000
60.000
70.000
80.000
90.000
144 (48x3)
216* (72x3)
Throughput (ops/sec)
12->18 Machines, 144->216 Nodes
95/5 Read/Update Throughput

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Exemplos e Demos
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Conecanto ao Oracle NoSQL
String storeName = "kvstore";
String hostName = "localhost:5000";
KVStoreConfig kvConfig = new KVStoreConfig(storeName, hostName);
try (KVStore store = KVStoreFactory.getStore(kvConfig)) {
// ... Manipula a store
}
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Exemplo de CRUD
// Coloca nova chave/valor se ainda não existe
Key key = Key.createKey("Katana");
String valString = "sword";
store.putIfAbsent(key, Value.createValue(valString.getBytes()));
// Deleta esta chave (e valor) do banco de dados
store.delete(key);
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Exemplo de CRUD
// Leitura de dados do banco
ValueVersion retValue = store.get(key);
// Atualiza este item somente se a versão for a mesma que a lida
String newvalString = "Really nice sword";
Value newval = Value.createValue(newvalString.getBytes());
store.putIfVersion(key, newval, retValue.getVersion());
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Apache Avron – Definição de Schemas
•Framework para serialização de dados
•Features
–Estruturas de dados ricas
–Compacta, rápida, formato de dados binário
–Container file para persistir dados
–Suporte a RPC
–Integrado ao Oracle NoSQL
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JSON format

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Schema Definition em JSON
{
"type": "record",
"namespace": "schema.namespace",
"name": "schema.name",
"fields": [
{ "name": "field1", "type": "string" },
{ "name": "field2", "type": "int" }
]
}
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Com Apache Avron
$> java -jar lib/kvstore.jar runadmin -host localhost -port 5000
kv-> ddl add-schema -file sample-schema.avsc

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Incluindo JSON dentro do Oracle NoSQL
ObjectNode name = JsonNodeFactory.instance.objectNode(); name.put("first", "Percival"); name.put("last", "Lowell"); JsonRecord record = new JsonRecord(member, memberInfoSchema); store.put(key, binding.toValue(record));
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Bonus: Acesso via REST
•fka Oracle APEX Listener
•Futura versão 3.0 do Oracle REST Data Services – Roadmap
–Oracle NoSQL
–Oracle Database
–JSON format
–Automatic linkage master-detail
–PL/SQL API to generate REST services
–Test environment on Oracle SQL Developer
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Oracle NoSQL Database
Fully integrated for the Enterprise
Real Time Access
External Tables
MapReduce, OLH, ODC, ODI
NoSQL DB Driver
Application
GRAPH

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oracle.com/goto/nosql
Para saber mais, visite o site.

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