--The SQL Query Language DML--1 The SQL Query Language DML The SQL Query Language DML (SELECT)
Query Progress Tracking in SQL Server · 2019. 3. 8. · Query Progress Tracking in SQL Server ......
Transcript of Query Progress Tracking in SQL Server · 2019. 3. 8. · Query Progress Tracking in SQL Server ......
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Query Progress Tracking in SQL Server
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• Name: Matan Yungman
• Role: Technical Evangelist at Madeira SQL Server Services
• Website: www.madeirasql.com
• Mail: [email protected]
• Twitter: @MatanYungman
• Podcast: www.SQLServerRadio.co.il
• www.SQLServerRadio.com
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It’s Friday
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Just One More Thing
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Rollback?
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• Percent_Complete
• Index Build Tracking
• Identifying Executing Batch and Statements
• Monitoring Query Progress
• Surprise
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Producer Thread
Producer Thread
Producer Thread
Producer Thread
Consumer
Buffer
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Producer Thread
Producer Thread
Producer Thread
Producer Thread
Consumer
Buffer
• No New Packets from Producers
• e_waitPipeGetRow
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Producer Thread
Producer Thread
Producer Thread
Producer Thread
Consumer
Buffer
• No Room in Buffer for New Packets
• e_waitPipeNewRow
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• Usually Not the Problem
• Actual Problems: IO, Locks, Network, Etc..
• Query sys.dm_os_waiting_tasks to Get Node Id
• Indication of the Subtree Currently Processed
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Thank You