MONITOR_CACHES 

This monitor system table contains information about the operations performed on the different caches.

DESCRIPTION column

Value

Explanation

Data cache accesses

Number of accesses to data pages in the data cache

Data cache accesses successful

Number of successful accesses to data pages in the data cache

Data cache accesses unsuccessful

Number of unsuccessful accesses to data pages in the data cache

Data cache hit rate (%)

Percentage of successful accesses to data pages in the data cache

File directory cache accesses

Number of accesses to the file directory cache

File directory cache accesses successful

Number of successful accesses to the file directory cache

File directory cache accesses unsuccessful

Number of unsuccessful accesses to the file directory cache

File directory cache hit rate (%)

Percentage of successful accesses to the file directory cache

FBM cache accesses

Number of accesses to the Free Block Management cache

FBM cache accesses successful

Number of successful accesses to the Free Block Management cache

FBM cache accesses unsuccessful

Number of unsuccessful accesses to the Free Block Management cache

FBM cache hit rate (%)

Percentage of successful accesses to the Free Block Management cache

Converter cache accesses

Number of accesses to the converter cache

Converter cache accesses successful

Number of successful accesses to the converter cache

Converter cache accesses unsuccessful

Number of unsuccessful accesses to the converter cache

Converter cache hit rate (%)

Percentage of successful accesses to the converter cache

USM cache accesses

Number of accesses to the User Space Management cache

USM cache accesses successful

Number of successful accesses to the User Space Management cache

USM cache accesses unsuccessful

Number of unsuccessful accesses to the User Space Management cache

USM cache hit rate (%)

Percentage of successful accesses to the User Space Management cache

Rollback cache accesses

Number of accesses to the rollback cache

Rollback cache accesses successful

Number of successful accesses to the rollback cache

Rollback cache accesses unsuccessful

Number of unsuccessful accesses to the rollback cache

Rollback cache hit rate (%)

Percentage of successful accesses to the rollback cache

Catalog cache accesses

Number of accesses to the session-specific catalog cache

Catalog cache accesses successful

Number of successful accesses to the session-specific catalog cache

Catalog cache accesses unsuccessful

Number of unsuccessful accesses to the session-specific catalog cache

Catalog cache hit rate (%)

Percentage of successful accesses to the session-specific catalog cache

Sequence cache accesses

Number of accesses to the sequence cache

Sequence cache accesses successful

Number of successful accesses to the sequence cache

Sequence cache accesses unsuccessful

Number of unsuccessful accesses to the sequence cache

Sequence cache hit rate (%)

Percentage of successful accesses to the sequence cache

Data cache logpage accesses

Number of accesses to log pages in the data cache

Data cache logpage accesses successful

Number of successful accesses to log pages in the data cache

Data cache logpage accesses unsuccessful

Number of unsuccessful accesses to log pages in the data cache

Data cache logpage hit rate (%)

Percentage of successful accesses to log pages in the data cache

 

If the Intel memory extension PSE36 is used on Windows NT, the table contains the following additional information:

 

DESCRIPTION column

Value

Explanation

PSE36 data cache accesses

Number of accesses to the PSE36 data cache

PSE36 data cache accesses successful

Number of successful accesses to the PSE36 data cache

PSE36 data cache accesses unsuccessful

Number of unsuccessful accesses to the PSE36 data cache

PSE36 data cache hit rate (%)

Percentage of successful accesses to the PSE36 data cache