Transactional Replication Series: Log Reader Agent - Approximately 9500000 log records have been scanned in pass # 4, 0 of which were marked for replication.
Approximately 9500000 log records have been scanned in pass # 4, 0 of which were marked for replication.
Msg 18752, Level 16, State 1, Procedure sp_replcmds, Line 1 [Batch Start Line 0]
Only one Log Reader Agent or log-related procedure (sp_repldone, sp_replcmds, and sp_replshowcmds) can connect to a database at a time. If you executed a log-related procedure, drop the connection with session ID 89 over which the procedure was executed or execute sp_replflush over that connection before starting the Log Reader Agent or executing another log-related procedure.
Error messages:
⦁ The process could not execute 'sp_repldone/sp_replcounters' on 'JBSWIKI'. (Source: MSSQL_REPL, Error number: MSSQL_REPL20011)
Get help: [ Ссылка ]
⦁ Only one Log Reader Agent or log-related procedure (sp_repldone, sp_replcmds, and sp_replshowcmds) can connect to a database at a time. If you executed a log-related procedure, drop the connection with session ID 54 over which the procedure was executed or execute sp_replflush over that connection before starting the Log Reader Agent or executing another log-related procedure. (Source: MSSQLServer, Error number: 18752)
Get help: [ Ссылка ]
⦁ The process could not set the last distributed transaction. (Source: MSSQL_REPL, Error number: MSSQL_REPL22017)
Get help: [ Ссылка ]
⦁ The process could not execute 'sp_repldone/sp_replcounters' on 'JBSWIKI'. (Source: MSSQL_REPL, Error number: MSSQL_REPL22037)
Get help: [ Ссылка ]
🌟 Unlock the Secrets of SQL Server Transactional Replication: A Comprehensive Guide to the Log Reader Agent's Message 🌟
Welcome to our deep-dive exploration into one of SQL Server's most pivotal components - Transactional Replication. Today, we're zeroing in on a message that often baffles even seasoned database administrators: "Approximately 9500000 log records have been scanned in pass # 4, 0 of which were marked for replication." This message is more than just a routine notification; it's a window into the operational nuances of your replication setup. If you've ever encountered this message and pondered its implications, you're about to uncover its mysteries.
🔎 What You Will Learn:
Introduction to Transactional Replication: We start at the foundation, explaining transactional replication's role in ensuring data consistency and availability across different SQL Server databases. Ideal for newcomers and a refresher for the pros!
Demystifying the Log Reader Agent: Discover the critical functions this agent serves in your replication architecture, how it scans transaction logs, and the importance of transactions being marked for replication.
Deep Dive into the Message: Each part of the message is unpacked and analyzed. We'll explain what it means when millions of log records are scanned but none are marked for replication, reflecting on your system's current state and what actions to consider.
Expert Troubleshooting Guide: Encounter practical solutions to common problems that might lead to this scenario. From article configuration missteps to overlooked transaction types, we cover a broad spectrum of troubleshooting techniques.
Optimization Strategies for Replication: Elevate your replication setup with our advanced strategies for performance tuning, monitoring, and configuration. Ensure your system is not just operational but optimized for peak efficiency.
Interactive Q&A Session: We've included a segment dedicated to answering your most pressing questions. Compiled from comments on previous videos and direct submissions, we tackle the challenges you face in real-time.
🎯 Who Should Watch?
This video is tailored for database professionals, including administrators, architects, and developers, who work with or are interested in SQL Server's replication capabilities. Whether you're aiming to troubleshoot an existing setup or optimize your replication strategy, this guide is packed with valuable insights.
✅ Takeaways:
Master the log reader agent's functionality and message significance.
Navigate common challenges and implement best practices for robust replication.
Leverage our expert tips to optimize your SQL Server replication for better performance and reliability.
👉 Engage With Us: If you found this video enlightening, give it a thumbs up, share it with your network, and subscribe for more content like this. We're here to empower you with the knowledge you need to excel in your database endeavors.
💬 Join the Conversation: Have insights or questions about SQL Server transactional replication? Drop a comment below. Our community thrives on shared knowledge and experiences, and your input could be the key to someone else's solution.
