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The Hidden Cost of MAXDOP: CPU Spikes, Query Slowdowns, and What We Learned

Misusing MAXDOP can silently kill performance across your SQL Server. In this deep dive, we uncover how one bad query caused CPU meltdown, run real-world tests, and show how tuning—not parallelism—often holds the true fix.

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2025-06-23

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What are the Key DevOps Performance Metrics You Should Track?

Successful DevOps teams rely on data-driven decision-making to continuously improve software delivery and operational performance. Understanding the right DevOps performance metrics is crucial for identifying bottlenecks, improving efficiency, and maintaining high availability. Metrics provide insight into how well your team deploys software, how quickly issues are resolved, and how stable the production environment remains over time.

2025-06-16

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Question of the Day

The Maximum Value in the Identity Column

I have a table with this data:

TravelLogID CityID StartDate  EndDate
1           1      2025-01-01 2025-01-06
2           2      2025-01-01 2025-01-06
3           3      2025-01-01 2025-01-06
4           4      2025-01-01 2025-01-06
5           5      2025-01-01 2025-01-06
I run this code:
SELECT IDENT_CURRENT('TravelLog')
I get the value 5 back. Now I do this:
SET IDENTITY_INSERT dbo.TravelLog ON
INSERT dbo.TravelLog
(
    TravelLogID,
CityID,
    StartDate,
    EndDate
)
VALUES
(25, 5, '2025-09-12', '2025-09-17')
SET IDENTITY_INSERT dbo.TravelLog OFF
I now run this code.
DBCC CHECKIDENT(TravelLog)
GO
INSERT dbo.TravelLog
(
    CityID,
    StartDate,
    EndDate
)
VALUES
(4, '2025-10-14', '2025-10-17')
GO
What is the value for TravelLogID for the row I inserted for CityID 4 and dates starting on 14 Oct 2025?  

See possible answers