MS Exchange DB attributes

This group of attributes represents MS Exchange Server Database activity.

Note:
If the public folder database is dismounted, the value for all the attributes is displayed as 0

Cache % Hit The percentage of database file page requests that were fulfilled by the database cache without causing a file operation since the server was started. If the percentage is too low, the database cache size might be too small. The value format is a decimal.

Cache Page Fault Stalls/Sec The number of page faults per second that cannot be serviced because no pages are available for allocation from the database cache since the server was started. If this counter is greater than zero most of the time, the clean threshold might be too low. The value format is a decimal.

Cache Page Faults/Sec The number of database page requests per second that require the database cache manager to allocate a new page from the database cache since the server was started. If this rate is too high, the database cache size might be too small. The value format is a decimal.

Cache Size The amount of system memory in kilobytes that the database cache manager used to hold frequently accessed information from the database files and prevent file operations.

If the database cache size seems to be too small for optimal performance and very little memory is available on the system, add more memory to the system to increase performance. If a lot of memory is on the system and the database cache size is not growing beyond a certain point, the database cache size might be capped at an artificially low limit. Increasing this limit might increase performance. The value format is a 4-byte integer.

Database Name The name of the database instance. The value format is an alphanumeric string with a maximum of 60 characters.

Log Record Stalls/Sec The number of records that cannot be added to the log buffers per second because the buffers are full since the server was started. If this counter is greater than zero most of the time, the log buffer size might be a bottleneck. The value format is a decimal.

Log Threads Waiting The number of threads waiting for their data to be written to the log to complete an update of the database since the server was started. If this number is too high, the log might be a bottleneck. The value format is a 4-byte integer.

Log Writes/Sec The number of times that log buffers are written to the log files per second since the server was started. If this number approaches the maximum rate for the media that is holding the log files, the log might be a bottleneck. The value format is a decimal.

System Name The key for the table view in the format hostname: EX. This character string provides a unique identifier for each server across an enterprise. The value is alphanumeric with a maximum of 64 characters.

Table Open Cache % Hit The percent of operations that return a handle to a previously opened table since the server was started. The value format is a decimal.

Table Open Cache Hits/Sec The number of OpenTable operations per second that were issued on tables that were previously opened since the server was started. The value format is a decimal.

Table Open Cache Misses/Sec The number of OpenTable operations per second that were issued on tables that were not previously opened since the server was started. The value format is a decimal.

Table Opens/Sec The total number of issued OpenTable operations per second since the server was started. The value format is a decimal.

Timestamp The time when this data was collected. The format is MM/DD/YY HH:mm:SS, where the following measures apply:

MM
Month
DD
Day
YY
Year
HH
Hour
mm
Minute
SS
Second

Version Buckets Allocated The total number of buckets that are allocated.