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Overview of XAM Technology and XReplicator for Data Replication Solutions

Discover XAM Technology, designed to provide a unified interface between applications and storage systems. Our XReplicator library enables efficient data replication, enhancing reliability, accessibility, performance, and security. The architecture supports versatile configurations and protocols for seamless integration and migration. With features like multithreading, scripting, and dynamic plugin loading, XUtility elevates developer productivity. Explore demonstration resources, industry standards, and community support to optimize your data storage strategies and application interoperability.

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Overview of XAM Technology and XReplicator for Data Replication Solutions

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  1. XAM XReplicator project Developers: Burmak AlexanderMirov YuriyKovalev Igor Trainer: Alexeev Peter

  2. Contents • About XAM Technology • Why replication? • What we’ve done • Architecture • XReplicator library • XUtility • Demonstration • Resources

  3. About XAM Technology • eXtensible Access Method • Technology providing a unified interface between applications and storage systems • Industry standard API for Fixed Content Aware Storage • Makes developers independent from hardware • Easy migration between storages and applications

  4. Why replication? • Benefits of data replication • Reliability • Accessibility • Performance • Security • Shortage of analogues of client applications for XAM Storage Systems replication

  5. What we’ve done • XReplicator library, which enables XAM storages replication • XUtility, which uses XReplicator API and provides console user interface • XOnce, a Domain-Specified Language to make easy query to storage

  6. Architecture XReplicator XUtility XAM VIM VIM VIM

  7. XReplicator library • Replication – use RBaseAlgorithm or algorithm from third-party developers • XSystems collection manipulation • Direction of replication – mode parameter (in, out, inout) • Constraint for XSystem synchronization data: • XAM Query • Set of XUID • Configuration (XConfig) • Logging

  8. Replication – RBaseAlgorithm • Uses replication history (state of storage after replication) • Serialization/Deserialization to/from file • Uses XAM import/export mechanism • Solves “dirty” commit time problem • Saves timeCommit and timeSynchronize parameters • Solves conflicts of similar XSets • Supports XReplicator modes and constraints

  9. Logger • Logs information about replication, exceptions and configuration changes • Logs statistics about replication • Two types of log format: • XML • Simple • Supports log levels • Log entry content – time, method, level, message • Uses proxy-classes for incapsulation • Log file(s) settings – path, append, size limit , count

  10. XReplicator API architecture RAlgorithm XConfig XReplicator factory XHashSet InvocationHandler XReplicator XReplicator Module (Guice) XAM

  11. XUtility features • Remote control • Banning enabled • Multiple connections • Scripting • Reading text file with XUtility commands and executing it (like a command language) • Program args enabled (e.g. for third party planners) • Encrypt • Blowfish encryption • Corporate security raise • Out of the box planner for replication

  12. XUtility features • Multithreading • Every command runs in a different thread • Enabled background threads (e.g remote control, planner) • Commands to manage threads (e.g monitor, kill) • Extensibility • Dynamic plugins loading enabled (plugin = simple impl. of XOperation)

  13. XUtility architecture Parameters XOp. Thread XOp. Thread Plugin 1 Plugin N XOperation Collector XUtility Operation Set XReplicator Thread Set XAM

  14. XReplicator Demonstration

  15. Resources • www.snia.org – XAM 1.0.1 • developer.emc.com – Many help about XAM • groups.google.com/groups/xam-developers-group – Many help too • code.google.com/p/google-guice/ – GuiceIoC and DI • www.jetbrains.com/mps/ – MPS. Needed to create DSL XOnce • maven.apache.org – Maven build manager • www.junit.org – Unit tests

  16. XReplicaton on Open Source XReplicator.sourceforge.net

  17. Thank you for attention! Questions?

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