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SQL Performance

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bublik
Valued Contributor

SQL Performance

I have these messages in event viewer on SQL 2005 SP3

"SQL Server has encountered 3 occurrence(s) of I/O requests taking longer than 15 seconds to complete on file"

Usually during this type we have some queries ruinning on the SQL server....

 

Has anyone seen these messages before?

2 REPLIES
bryan_hadzik
Frequent Advisor

Re: SQL Performance

Does the SQL server have its own volume for data files, and another one for logs? Are you using the mpio plugin?

bublik
Valued Contributor
Solution

Re: SQL Performance

found the bottleneck on the network. Throughput of 120 MB per second on 1 GB network.