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Coherence 12.1.2 Hidden Gems
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A description of some of the hidden gems that were released as a part of Coherence 12.1.2.
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Coherence 12.1.2 Hidden Gems
1.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 121
2.
Coherence 12.1.2 –
Hidden Gems Harvey Raja Principal Member Technical Staff Oracle Coherence
3.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 123 3 Copyright © 2011, Oracle and/or its affiliates. All rights reserved. The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle’s products remain at the sole discretion of Oracle.
4.
4 Copyright ©
2011, Oracle and/or its affiliates. All rights reserved. Coherence Roadmap Coherence 3.7.1 • POF Enhancements • Query Explain Plan • REST API • Pluggable Par>>oning Schemes • Elas>c Data Improvements (Journal-‐based Flash Storage) • Delta Backups • Leverage Exalogic Exabus Technology Apr 2011 Sept 2011 NOW!! Coherence 3.7.0 • Automa>c Proxy Discovery for Clients • Auto Re-‐connect for Clients • Dynamic Load Balancing for Clients • XML Schema for Config • Load Balancer Integra>on (F5) • Na>ve Coherence*Web Glassfish Integra>on • Query Monitoring • Par>>on-‐Level Transac>ons • Elas>c Data Coherence 12c (12.1.2) • Golden Gate Adapter for Coherence • REST security and usability improvements • Live Events • Configura>on Moderniza>on • Asynchronous Backups • Backup Management Improvements • Maven Support • Exalogic performance op>miza>ons • Coherence Container • Dynamic Thread Pooling for Proxy Servers • OUI/Opatch Integra>on • ECID Support • OSGi Support
5.
5 Copyright ©
2011, Oracle and/or its affiliates. All rights reserved. Coherence 12.1.2 • New major release of Coherence 12c • Key Themes • Container Management with WLS • Con>nued Investment in Exalogic • Database Synchroniza>on • Configura>on and Usability Improvements • Oracle Fusion Middleware Convergence 2013 Coherence 12c (12.1.2) • Golden Gate Adapter for Coherence • REST security and usability improvements • Live Events • Configura>on Moderniza>on • Asynchronous Backups • Backup Management Improvements • Maven Support • Exalogic performance op>miza>ons • Coherence Container • Dynamic Thread Pooling for Proxy Servers • OUI/Opatch Integra>on • ECID Support • OSGi Support
6.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 126 A Deeper Look § Asynchronous Backups § Backup Management Improvements
7.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 127 Hidden Gems § NameService § TransactionEvent in Live Events § POF Configuration Generator § BinaryEntry synthetic ops § Poll logging § TcpRing improvements § SLF4J native support § WKA address resolution carried out on separate thread § Preprocessing § NearCache invalidation strategy
8.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 128 Current Backup Approach Client Primary Backup put(K,V) backup(K,V) backup complete return old value § A put request from the client is entirely synchronous § Client thread blocked until backup message received by primary § Once received by primary client is responded to with the old value § Provides consistency guarantees
9.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 129 12c Backup Approach (Asynchronous) § Opt-in strategy § Client request sent to primary & in parallel backup message and client response is sent § ~40 – 50% latency reduction Client Primary Backup put(K,V) backup(K,V) backup complete return old value
10.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 1210 12c Backup Approach (Asynchronous) § Speed vs Consistency § Adaptive switch back to synchronous – Based on partition load – Falls back to async once un-clogged Client Primary Backup put(K,V) backup(K,V) return old value
11.
11 Copyright ©
2011, Oracle and/or its affiliates. All rights reserved. Pre-12c Backup Management Client Primary Backup 1 Backup N Backup 1 • Fan-out approach • Requires coordination • What if coordinator leaves? – Which backup received the message?
12.
12 Copyright ©
2011, Oracle and/or its affiliates. All rights reserved. 12c Backup Management • Chained mechanics ensures prior node in the chain is responsible for ensuring delivery • Departure of node in the chain ensures they are skipped • Pre-process response from forwarded message Client Primary Backup 1 Backup N
13.
13 Copyright ©
2011, Oracle and/or its affiliates. All rights reserved. Backup Management Improvements • As well as Machine, 12c now supports Rack & Site safety • Goal is to reach highest level of safety (Site | Rack | Machine) 1 (Site | Rack | Machine) 2 (Site | Rack | Machine) 3 Distribution Coordinator analyzeDistribution Pass 1 Safety Strength Load Pass 2 Safety Load Strength B a l a n c e d Distribu>on Plan Update
14.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 1214 Backup Management Improvements § Mirroring Strategy – Attempt to mirror assignments of another service § JMX Enhancements – Pending distributions – PartitionLost JMX Notification
15.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 1215 Coherence *Extend - NameService Coherence 3.6 • List of InetAddresses on the client Apr 2011Apr 2010 2013 Coherence 3.7.0 • Automatic Proxy Discovery for Clients • Dynamic Load Balancing for Clients Coherence 12c (12.1.2) • NameService
16.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 1216 Coherence *Extend - NameService § Allows discovery of proxies using logical names (service names) § Handshake takes place during connection establishment § Uses well known cluster sub-port to discover proxy end points § Could be considered as ClusterNameService (CNS ≈ DNS)
17.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 1217 Coherence *Extend - NameService Cluster Preferred Port::8089 Cluster Port::8088 NameService SubPort:: 8088.3 Host1:8088 Operational Config cluster-1 -> Host1:8088 openConnection Extend Client Proxy Port::9100 Host1:9100
18.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 1218 Coherence *Extend - NameService § Service name must be the same § Discovers all proxy addresses for the same service name § Proxy service can use ephemeral ports
19.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 1219 LiveEvents – TransactionEvent § Ability to intercept events as they occur in the grid – Fine grained events with logical causality § 12.1.2 introduces a TransactionEvent – Partition Lite transaction event § Receives all enlisted entries in a single event § Can enlist more entries
20.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 1220 POF Configuration Generator § Generates POF configuration file based on classes § Predictable type-id generation § Generational – Accepts previous POF configuration file § Operates against a GAR and supported by maven GAR plugin dependency-1.jar @Portable Atom @Portable Nucleus dependency-2.jar @Portable Electron dependency-3.jar @Portable Neutron @Portable Proton POF Configuration Generator
21.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 1221 12c - Loose Change § BinaryEntry synthetic operations – updateBinaryValue(Binary, boolean) // new – setValue(Object, boolean) – remove(boolean) § SLF4J logger – SLF4J libraries must be on classpath and logger destination be slf4j § WKA host name lookup now on a separate thread § NearCache default invalidation strategy is now PRESENT
22.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 1222 12c - Loose Change § Log Cluster State – Role based – Distributed Thread Dump – Includes outstanding Polls § Log Node State – Node Thread dump – Includes outstanding Polls § Responsibility MBeans
23.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 1223 12c - Loose Change § TcpRing improvements – Death broadcast is communicated across the cluster § Message preprocessing where possible
24.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 1224
25.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 1225 Q & A
26.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 1226
27.
Copyright © 2013,
Oracle and/or its affiliates. All rights reserved. Insert Information Protection Policy Classification from Slide 1227
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