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2   sql explore - replication
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2 sql explore - replication

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  • For Netapp snapshots / or for detach attach copies
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  • Transcript

    • 1. Replication types
      Replication Monitoring Insights
      Distribution database
      Monitoring
      TimeStamp replication
      Insights
      Unused Section Space 1
    • 2. Replication Monitoring Insights
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    • 3. Replication Monitoring Insights
      Zakourdaev Maria| Infrastructure DBA | Conduit
    • 4. What should be monitored
      Distribution database & queries
      Additional insights
    • 5. Replication types
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    • 6. Replication types
      Publisher
      Distributor
      Subscriber
      Snapshot replication
      Full data copy
      Subscriber
      Publisher
      Distributor
      Transactionalreplication
      Transactions
      Distributor
      Subscriber
      Publisher
      Merge replication
      Changes merged
    • 7. Transactional replication
      Distributor
      Distribution Agent
      pull
      Distribution Agent
      push
      Log Reader Agent
      Subscriber
      Publisher
    • 8. Monitoring
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    • 9. What should be monitored ?
    • 10. Undelivered statements
      Distributor to Subscriber latency
      Distributor
      Replication errors
      Publisher to Distributor latency
      Subscription statuses
      Distribution database sizes
      Log Reader Agent errors
      Subscriber
      Tables that are not replicated
      Publisher
      Distribution Agent errors
      Log files growth
    • 11. Distribution database
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    • 12. Distribution database & queries
    • 13. MSarticles
    • 14. MSpublications
      Keep the replicated transactions in the Distribution database, just-in-case, a new subscriber is added
    • 15. MSlogreader_agents
    • 16. MSlogreader_history
    • 17. MSdistribution_agents
    • 18. MSdistribution_status
    • 19. MSreplication_monitordata
    • 20. MSRepl_commands
    • 21. Latency
    • 22. TimeStamp replication
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    • 23. TimeStamp table replication
    • 24. Distributor
      Replicated timestamp table
      Compare
      Subscriber
      Table with timestamp
      Publisher
      Update every n sec
      SQL Agent Job
    • 25. Insights
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    • 26. Additional Insights
    • 27. Replication Alerts
    • 28. Capturing more information
    • 29. Replicate schema only
    • 30. Remove replication
      EXEC Sys_removedbreplication ‘Dbname’
    • 31. Skip integrity errors
    • 32. By trusting noone, you make your own decisions.
      So choose wisely because either way, there’s no one to blame around you.