HP Intelligent Management Center v5.2 Application Performance Manager Administrator Guide

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select an icon from the list. Available options include Last 6 Hours , Today , Yesterday ,
This Week , This Month , and This Year . Hover the cursor over a spot on the curve to view
the application traffic at the specific time point. Click Rx or Tx to display or hide the corresponding
monitor index in the graph.
 Attribute/Value—Monitor index name and data that was obtained when APM last polled Oracle.
 Last Hour's Traffic—Total traffic sent and received by Oracle over the last 1 hour.
 Today's Traffic—Total traffic sent and received by Oracle since 00:00 today.
Rollback
The Rollback area layout is shown in Figure 166.
Figure 166 Rollback area layout
Rollback area fields:
 Segment—Name of the rollback segment.
 Tablespace—Name of the tablespace to which the rollback segment belongs.
 State—Status of rollback segment when APM last polled Oracle. The rollback segment state include
the following types:
 ONLINE—The segment is in online state.
 PENDING OFFLINE—The segment is in offline state, but some transactions are still using the
rollback segment.
 OFFLINE—State that the pending offline segment goes to when the transactions are over.
 Current Size—Size of the rollback segment when APM last polled Oracle.
 Current Blocks—Number of the current blocks used by rollback segment when APM last polled
Oracle.
 Initial Extent Segment—Size of the first extent segment allocated for the rollback segment.
 Next Extent Segment—Size of the second extent segment allocated for the rollback segment.
 Min Extent Segment—Minimum number of extents allocated for the rollback segment.
 Max Extent Segment—Maximum number of extents allocated for the rollback segment.
 Rollback Segment Get—Times of getting rollback segment headers.
 Rollback Segment Wait—Waiting times of the rollback segment headers.
 HWM—High-water mark of the rollback segment. HWM indicates the position of the last data
block in the current segment.
 Shrinks—Shrinking times of the rollback segment.
 Wraps—Warping times of the rollback segment.
 Extends—Extending times of the rollback segment.
 Hit Ratio—How often the rollback segment headers have been obtained. Hit Ratio = Rollback
Segment Get/(Rollback Segment Get+ Rollback Segment Wait) *100%.
Tablespace Details
The Tablespace Details area layout is shown in Figure 167.