Sybase 12.5.1, Руководство пользователя

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APPENDIX A Data Items
User’s Guide
111
Elapsed Time
Version: 11.0 and later
The time increment, in seconds, either from one data refresh to the next (sample) or
from the creation of the view to the present (session).
Type: Result
Engine Number
Version: 11.0 and later
Number of the Adaptive Server engine.
Type: Key
Host Name
Version: 11.0 and later
The name of the host computer that established a particular connection.
Type: Result
Index Logical Reads
Release: 11.0 and later
Number of index page reads satisfied from cache and from database devices.
Type: Result
Index Physical Reads
Version: 11.0 and later
Number of index page reads that could not be satisfied from the data cache.
Type: Result
Kernel Process ID
Version: 11.0 and later
An Adaptive Server process identifier that remains unique over long periods of time.
Type: Key
Kernel Structures
Memory Size
Version: 11.0 and later
Amount of memory in bytes allocated to the kernel structures.
Type: Result
Large I/O Denied
Version: 11.0 and later
The number of times the buffer manager did not satisfy requests (of the optimizer) to
load data into a buffer in this data cache by fetching more than one contiguous page
from disk at a time.
Type: Result
Large I/O Performed
Version: 11.0 and later
The number of times the buffer manager satisfied requests (of the optimizer) to load
data into a buffer in this data cache by fetching more than one contiguous page from
disk at a time.
Type: Result
Large I/O Requested
Version: 11.0 and later
The number of times the optimizer made requests (of the buffer manager) to load data
into a buffer in this data cache by fetching more than one contiguous page from disk at
a time.
Type: Result
Lock Count
Version: 11.0 and later
Number of locks.
Type: Result
Lock Hit Percent
Version: 11.0 and later
Percentage of successful requests for locks.
Type: Result
Data item Description