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Overview
The purpose of this test set is to compare different runs of CheckIn-CheckOut workflow test with different set of mod-pubsub. As we find - to enable multi node on mod-pubsub is needed to change NUMBER_OF_PARTITIONS value to bigger one. In test set we comparing different numbers of nodes and partitions.
Summary
Test set shows that optimal configuration is 2 containers with 2 KAFKA NUMBER_OF_PARTITIONS. 3 containers with 2 nodes shows higher response times than even one container with one partition. (same for 3 nodes with 3 partitions).
Version
mod-pubsub:1.3.3
Tests
| Test# | Virtual Users | Duration | mod-pubsub setup |
|---|---|---|---|
| 1 | 20 | 2 hours | 2 container 1 partition |
| 2 | 20 | 2 hours | 2 containers 2 partitions |
| 3 | 20 | 2 hours | 3 container 2 partitions |
| 4 | 20 | 2 hours | 3 containers 3 partitions |
Results comparison
For comparison purposes we'll use Check-In controller and Check-Out controller (summaries all calls) instead of using all calls list.
| 1 and 2 | 2 and 3 | 3 and 1 | |||||||||
| 50th pct | 75th pct | 2 and 3 | 50th pct | 75th pct | 3 and 1 | 50th pct | 75th pct | ||||
| Check-In Controller | -0.254 | -0.345 | -31% | Check-In Controller | 0.41 | 0.502 | 43% | Check-In Controller | -0.066 | -0.046 | 13% |
| Check-Out Controller | -0.717 | -0.743 | -30% | Check-Out Controller | 1.137 | 1.171 | 46% | Check-Out Controller | -2.859 | -7.347 | 16% |
CPU comparison during tests
Test 1: 2 containers, 1 partition
Node 1:
Node 2:
Test 2: 2 containers, 2 partitions
node 1:
node 2:
Test 3: 3 containers, 2 partitions
node 1:
node 2:
Test 4: 3 containers, 3 partitions
node 1
node 2
node 3
