Save a performance counter baseline every 15 minutes, calculate interval rates, detect resets, and compare a defined week with last month.
SQL SERVER – WARNING – SQL Server Has Encountered N Occurrence(s) of I/O Requests Taking Longer Than 15 Seconds
Seeing ‘I/O requests taking longer than 15 seconds’ in the ERRORLOG? Here is what this common warning means and where to look for the slow disk behind it.
Target Server Memory vs Total: Is SQL Server Still Growing
A big gap between target and total memory is often just room to grow. Here is how to check it before you call a server starved.
Buffer Cache Hit Ratio: Why a Healthy Number Can Lie
A 99 percent ratio does not mean your memory is fine. Here is how to read the counter correctly and what to check beside it.
Page View Counters: Avoiding Hot Row Contention on Busy Rows
One counter row means every visitor waits in line. See how buckets spread the locks, and why rows on one page can still crowd each other.