Hi.

I am having trouble understanding my sample result times.  It's very
possible I am just structuring my tests incorrectly.

I have a test with a number of http samplers.  The first few are just
authenticate and redirects and they go very quickly.  One test reads a
back end data source and should take about 2.5 seconds to return.

The sample time seem to increase toward the end of the test.  That is,
the initial samples take an expected amount of time to complete, while
the rest take progressively longer.

Setting timers does not seem to have any effect.  The number of threads
also does not improve.  I have a feeling I am just setting things up
wrong, but I'm not sure what.   Is my sample just sitting there waiting
for a long time while contending for a thread?  It's a servlet app, so
I'm assuming everything should be thread-safe.

I realize everyone's scenarios are different, but I feel like this is
something basic I am missing.  I would be very happy with any simple
explanations regarding latency/load vs elapsed times.  Any examples as
to how you have structured similar tests would also be extremely
helpful.

This is the result of the data access sampler.  The Thread Group is set
to 10 users with 10 seconds of ramp-up time.   The Load time and the
Latency are either identical or 1 or 2 ms variation.

1
11:30:35.154
1-1
A017D4B-122CCED7210-1AA7FE9-6AA0D37F
2714
Success
8164
2
11:30:36.136
1-2
A017D4B-122CCED7602-143153C-187ADA67
3769
Success
8176
3
11:30:39.134
1-5
A017D4B-122CCED81BC-8987B7645C76D8
3584
Success
8162
4
11:30:38.131
1-4
A017D4B-122CCED7DD2-BD39DC45774B9
6301
Success
8154
5
11:30:37.131
1-3
A017D4B-122CCED79E9-31300D3896E19E
10276
Success
8181
6
11:30:44.148
1-10
A017D4B-122CCED954F-1C04E10-6A78C28F
4744
Success
8156
7
11:30:43.412
1-9
A017D4B-122CCED9165-1489B30-10ED2EE1
8335
Success
8179
8
11:30:42.879
1-8
A017D4B-122CCED8D7A-468AE375783718
10552
Success
8164
9
11:30:41.141
1-7
A017D4B-122CCED898F-1D0E77E-56485C06
15434
Success
8166
10
11:30:40.135
1-6
A017D4B-122CCED85A4-B3EDDB-2208EF21
17770
Success
8171

Thanks for any assistance ...
--sidd



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