February 13, 2013
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1 Comment | 6,800 views

VN:RO [1.9.17_1161]

Low physical/external memory

Determining if your operating system is causing memory issues within your SQL Server instance can be a challenge. One way around it is to use the sys.dm_os_ring_buffers to show when server memory is low. Read more

January 15, 2013
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2 Comments | 4,857 views

VN:RO [1.9.17_1161]

Low virtual memory

Determining if your SQL Server instance is experiencing memory issues within the SQL Server Virtual Address Space (VAS) can be a challenge. One way around it is to use the sys.dm_os_ring_buffers. Read more

July 4, 2012
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0 comments | 7,981 views

VN:RO [1.9.17_1161]

Top buffer cache object

This metric measures the amount of memory used in the buffer cache by the largest object (based on the number of pages). It checks the sys.dm_os_buffer_descriptors to identify the object, and returns the relative percentage used. Read more

July 4, 2012
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0 comments | 7,546 views

VN:RO [1.9.17_1161]

Out of memory errors

The number of out of memory errors that have occurred within a rolling five minute window. If you just want to keep an eye out for any memory errors, you can watch the ring buffers for the Out of Memory error alert when it gets registered there. Read more

July 4, 2012
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5 Comments | 8,591 views

VN:RO [1.9.17_1161]

Buffer pressure

Trying to determine if you have pressure in your buffer allocations can be difficult. Buffer cache hit ratio is an almost useless metric, so you need a mechanism to let you know if there‚Äôs a problem in that area. Read more