This report summarizes the success of transactions
in the run, graphs the response trend of each transaction during a specific
sample interval, and shows the transaction throughput.
This report graphs sample intervals within a run. You set the Statistics
sample interval value in the schedule, as a schedule property.
Overall page
The Overall Transaction Rate graph shows
the average execution time for all transactions during a specific sample interval.
Execution
time is the actual time spent within the transaction container. If
you have set staged loads in the schedule, this graph also delineates the
stages with time range markers, in various colors, at the top.
The table
under the graph lists the following information:
- The average execution time for all transactions in the entire run.
- The standard deviation of the average execution
time. The standard deviation tells you how tightly the data is grouped
about the mean. For example, System A and System B both have an average
execution time of 12 ms. However, this does not mean that the execution
times are similar. System A might have execution times of 11, 12,
13, and 12 ms. System B might have execution times of 1, 20, 25, and
2. Although the mean time is the same, the standard deviation of System
B is greater—and the execution time is more varied.
- The longest transaction in the entire run.
- The shortest transaction in the entire run.
Duration vs. Time page
The Transaction Duration vs.
Time graph shows the average response of each transaction during a specific
sample interval. Each transaction is represented by a separate line. If you
have set staged loads in the schedule, this graph also delineates the stages
with time range markers, in various colors, at the top.
The table under
the graph lists the following information for each transaction:
- The minimum execution time for the entire run.
- The average execution time for the entire run. This is similar to the
graph, but the information in the table is the average for the entire run
rather than the average per sample interval.
- The standard deviation of the average response time.
The standard deviation tells you how tightly the data is grouped about
the mean. For example, System A and System B both have an average
response time of 12 ms. However, this does not mean that the response
times are similar. System A might have response times of 11, 12, 13,
and 12 ms. System B might have response times of 1, 20, 25, and 2.
Although the mean time is the same, the standard deviation of System
B is greater—and the response time is more varied.
- The maximum execution time for the entire run.
- The rate, per second, at which the transaction was completed.
- The number of attempts for the transaction.
Transaction Throughput page
These line graphs provide
an overview of the transaction frequency and the number of users that are
adding load, both over the course of a run.
- The Transaction Hit Rate graph shows the overall rates for starting and
completing transactions during a specified sample interval. If you have set
staged loads in the schedule, this graph also delineates the stages with time
range markers, in various colors, at the top. The summary table under the
graph lists the transaction rate per second and the number of transactions
that were completed for the entire run.
- The User Load graph shows the number of active users and the number of
users that completed testing over the course of the run. The summary table
under the graph lists the number of active users, the number of users that
completed testing, and the total number of users for the latest sample interval.