Sybase 12.5.1, User Manual, Page: 75 / 210

CHAPTER 4 Command Reference
User’s Guide
61
summarization_interval
a required parameter (no default exists) that specifies the level of detail
of the playback. Valid values are:
•
raw
– plays back data as it was collected, using the same sample
intervals. Choose this option to view raw data as it was recorded.
Also, this is the only option available for playing back snapshot
data, such as current SQL statement data and status information on
locks or processes. See Table C-2 on page 165 for a definitive list
of the snapshot data items. (They are the ones with “no” in the
“Allowed for Non-raw” column.)
This option is valid only when target is
client
.
•
actual
– plays back data using the same sample intervals as the
input recording sessions.
This option allows you to specify some data item changes in the
playback view. Also, Historical Server makes appropriate
adjustments to the first and last samples when the recording session
times do not align with the requested playback session times.
Choose this option to add or change certain data items when
summarization is not required. Also, when target is set to file, this
option provides a way to concatenate the non-snapshot data in
multiple recording sessions.
This option is valid only when target is
client
.
•
entire
– plays back data for each input recording session
summarized as a single sample. The sample interval is the timespan
between the requested playback start_time and end_time.
This option allows you to specify some data item changes in the
playback view. Also, Historical Server makes appropriate
adjustments to the data values to accurately reflect the requested
playback session start and end times.
Choose this option to consolidate recorded data, rolling up details
into overviews of activity over longer time periods.
sample_interval
plays back data summarized into sample intervals of the specified
length. The parameter value is the sample interval length, specified as:
" S "
" M : S "
" H : M : S "