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Table of Contents

Setting up Stability Tests in APEX

...

Code Block
mkdir jMeter


cd jMeter


wget http://mirrors.whoishostingthis.com/apache//jmeter/binaries/apache-jmeter-5.1.1.zip


unzip apache-jmeter-5.1.1.zip

Run JMeter

Code Block
/home/ubuntu/jMeter/apache-jmeter-5.1.1/bin/jmeter

The above command will load the JMeter UI. Then navigate to File → Open → Browse and select the test plan jmx file to open. The jmx file is present in the apex-pdp git repository - jmx file path

Install apex-pdp in virtual machine

...

Install apex-pdp in virtual machine

We will be running apex-pdp as docker container. So we need to first install docker and then create the container hosting apex-pdp by pulling the image from ONAP repository.

...

  1. Run the below command to create the container hosting apex-pdp by pulling the image from ONAP repository.

    Code Block
    languagebash
    docker run -d --name apex -p 12561:12561 -p 23324:23324 -it nexus3.onap.org:10001/onap/policy-apex-pdp:2.1.0-SNAPSHOT-latest /bin/bash -c "/opt/app/policy/apex-pdp/bin/apexApps.sh jmx-test -c /opt/app/policy/apex-pdp/examples/config/SampleDomain/RESTServerJsonEvent.json"
docker ps

    Note: If you observe that requests from JMeter client is failing due to timeout, then modify the "RESTServerJsonEvent.json" mentioned in the above command and increase the "synchronousTimeout" property as per needed.

...

  1. Right click on "Remote" in the left panel of the screen and select "Add Remote Host..."

  2. Enter the IP address of apex-pdp docker container.



    Code Block
    docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' container_name_or_id


  3. Right click on IP address, select "Add jstatd Connection..."
  4. In "jstatd Connections" tab, enter port 1111 and click OK.
  5. Right click on IP address, select "Add JMX Connection..."
  6. Enter the apex-pdp docker container IP Address (from step 2) <IP address>:9911 ( for example - 172.17.0.2:99919911) and click OK.
  7. Double click on the newly added nodes under "Remote" to start monitoring CPU, Memory & GC.

...

Sample Screenshot of visualVM

Image RemovedImage Added

Test Plan

The 72 hours stability test will run the following steps in 20 threaded loop.

...

  • HTTP Header Manager - used to store headers which will be used for making HTTP requests.
  • HTTP Request Defaults -  used to store HTTP request details like Server Name or IP, Port, Protocol etc.

  • User Defined Variables -  used to store following user defined parameters.

    NameDescriptionDefault Value
    waitWait time after each request (in milliseconds)500
    threadsNumber of threads to run test cases in parallel.20
    threadsTimeOutInMsSynchronization timer for threads running in parallel (in milliseconds).5000

             

Screenshot of Download and update the jmx file presented in the apex-pdp stability test plan

Image Removed

Setting up Performance Tests in APEX

The apex-pdp has built in support for performance testing. A special performance testing REST server is available in the code base for performance testing. It is in the module performance-benchmark-test. To execute a benchmark test, you start the REST server, and then configure and run APEX against the server. There are example configurations for running tests in the resources of this module.

In order to run the test for 72 hours, set the batch count in the EventGeneratorConfig.json file to zero, which causes the REST server to generate batches forever.

Here is an example of how to do this:

...

Go into the performance-benchmark-test module and run the REST server

Code Block
languagebash
cd testsuites/performance/performance-benchmark-test
mvn exec:java -Dexec.mainClass="org.onap.policy.apex.testsuites.performance.benchmark.eventgenerator.EventGenerator" -Dexec.args="-c  src/main/resources/examples/benchmark/EventGeneratorConfig.json"

Separately, create a local directory and unzip the APEX tarball

Code Block
languagebash
mkdir apex
cd apex
tar zxvf ~/git/onap/policy/apex-pdp/packages/apex-pdp-package-full/target/*gz

Run APEX with a configuration that runs against the benchmark REST server, select the configuration that is appropriate for the number of threads for the number of cores on the host on which APEX is running. For example on a 32 core machine, select the "32" configuration, on an 8 code machine, select the "08" configuration.

Code Block
languagebash
bin/apexApps.sh engine -c ~/git/onap/policy/apex-pdp/testsuites/performance/performance-benchmark-test/src/main/resources/examples/benchmark/Javascript64.json

To get the test results, Issue the following command using CURL or from a browser

Code Block
languagebash
curl http://localhost:32801/EventGenerator/Stats

The results are similar to those below:

...

languagejs
titleExample APEX performance metrics
collapsetrue

...

git repository - jmx file path.

  • HTTPSampler.domain - The ip address of VM which the apex container is running
  • HTTPSampler.port      -  The  listening port, here is 23324
  • ThreadGroup.druation - Set the duration to 72 hours (in seconds)

Use the CLI mode to start the test

Code Block
languagebash
./jmeter.sh -n -t ~/apexPdpStabilityTestPlan.jmx -Jusers=1 -l ~/stability.log

Stability Test Result

Summary

Stability test plan was triggered for 72 hours injecting input events to apex-pdp from 20 client threads running in JMeter.

After the test stop, we can generate a HTML testreport via command

Code Block
~/jMeter/apache-jmeter-5.1.1/bin/jmeter -g stability.log -o ./result/

result.zip  stability.zip  onap.zip

Number of Client Threads running in JMeter

Number of Server Threads running in Apex engine

Total number of input events

Success Percentage

Error Percentage

20 4 639460299.999971%0.0029%

Setting up Performance Tests in APEX

The apex-pdp has built in support for performance testing. A special performance testing REST server is available in the code base for performance testing. It is in the module performance-benchmark-test. To execute a benchmark test, you start the REST server, and then configure and run APEX against the server. There are example configurations for running tests in the resources of this module.

In order to run the test for 72 hours, set the batch count in the EventGeneratorConfig.json file to zero, which causes the REST server to generate batches forever.


Here is an example of how to do this:

  1. Clone and build the apex-pdp git repo

  2. Go into the performance-benchmark-test module and run the REST server

    Code Block
    languagebash
    cd testsuites/performance/performance-benchmark-test
mvn exec:java -Dexec.mainClass="org.onap.policy.apex.testsuites.performance.benchmark.eventgenerator.EventGenerator" -Dexec.args="-c  src/main/resources/examples/benchmark/EventGeneratorConfig.json"


  3. Separately, create a local directory and unzip the APEX tarball

    Code Block
    languagebash
    mkdir apex
cd apex
tar zxvf ~/git/onap/policy/apex-pdp/packages/apex-pdp-package-full/target/*gz


  4. Run APEX with a configuration that runs against the benchmark REST server, select the configuration that is appropriate for the number of threads for the number of cores on the host on which APEX is running. For example on a 32 core machine, select the "32" configuration, on an 8 core machine, select the "08" configuration.

    Code Block
    languagebash
    bin/apexApps.sh engine -c ~/git/onap/policy/apex-pdp/testsuites/performance/performance-benchmark-test/src/main/resources/examples/benchmark/Javascript64.json


  5. To get the test results, Issue the following command using CURL or from a browser(also can store the result into a file by setting outfile in the EventGeneratorConfig.json file, statistics would be written into this file after event generator terminated)

    Code Block
    languagebash
    curl http://localhost:32801/EventGenerator/Stats


The results are similar to those below:

Code Block
languagejs
titleExample APEX performance metrics
collapsetrue
 {
  "totalStats": {
    "batchNumber": -1,
    "batchSize": 1000,
    "apexClient": "TOTAL",
    "eventsNotSent": 0,
    "eventsSent": 1000,
    "eventsNotReceived": 0,
    "eventsReceived": 1000,
    "averageRoundTripNano": 159434725,
    "shortestRoundTripNano": 23059921,
    "longestRoundTripNano": 1106994552,
    "averageApexExecutionNano": 26780360,
    "shortestApexExecutionNano": 1066002,
    "longestApexExecutionNano": 323934929
  },
  "batchStatsList": [
    {
      "batchNumber": 0,
      "

...

batchSize":

...

50,
      "

...

apexClient":

...

"localhost(127.0.0.1):38428",
      "

...

eventsNotSent":

...

0,
      "

...

eventsSent":

...

50,
      "

...

eventsNotReceived":

...

0,

...

  "eventsReceived": 50,

...

...

"

...

averageRoundTripNano":

...

995018520,
      "

...

shortestRoundTripNano":

...

835971769,
      "

...

longestRoundTripNano":

...

1106994552,
      "

...

averageApexExecutionNano":

...

241706832,
      "

...

shortestApexExecutionNano":

...

73723978,
      "

...

longestApexExecutionNano":

...

 323934929
    },
    {
      "

...

batchNumber":

...

1,
      "

...

batchSize":

...

50,
      "

...

apexClient":

...

"localhost(127.0.0.1):38428",
      "

...

eventsNotSent":

...

0,
      "

...

eventsSent":

...

50,
      "

...

eventsNotReceived":

...

0,
      "

...

eventsReceived":

...

50,

...

  "averageRoundTripNano": 204429789,

...

...

"

...

shortestRoundTripNano":

...

56234319,
      "

...

longestRoundTripNano":

...

305690768,
      "

...

averageApexExecutionNano":

...

89544892,
      "

...

shortestApexExecutionNano":

...

7785682,
      "

...

longestApexExecutionNano":

...

177171848
    },

...

 {
      "

...

batchNumber":

...

2,
      "

...

batchSize":

...

50,
      "

...

apexClient":

...

"localhost(127.0.0.1):38430",
      "

...

eventsNotSent":

...

0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 160524927,
      "shortestRoundTripNano": 41179914,
      "longestRoundTripNano": 266809149,
      "averageApexExecutionNano": 68178648,
      "shortestApexExecutionNano": 2784005,
      "longestApexExecutionNano": 160119899
    },
    {
      "batchNumber": 3,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38428",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 123442425,
      "shortestRoundTripNano": 32320688,
      "longestRoundTripNano": 204549694,
      "averageApexExecutionNano": 35810567,
      "shortestApexExecutionNano": 2325630,
      "longestApexExecutionNano": 102168076
    },
    {
      "batchNumber": 4,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38430",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 134903088,
      "shortestRoundTripNano": 61195662,
      "longestRoundTripNano": 205959446,
      "averageApexExecutionNano": 17987078,
      "shortestApexExecutionNano": 2243213,
      "longestApexExecutionNano": 39218327
    },
    {
      "batchNumber": 5,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38428",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 115759297,
      "shortestRoundTripNano": 46415800,
      "longestRoundTripNano": 180262438,
      "averageApexExecutionNano": 12719990,
      "shortestApexExecutionNano": 1868046,
      "longestApexExecutionNano": 32387313
    },
    {
      "batchNumber": 6,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38430",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 130974073,
      "shortestRoundTripNano": 60415786,
      "longestRoundTripNano": 191390626,
      "averageApexExecutionNano": 7577036,
      "shortestApexExecutionNano": 1888337,
      "longestApexExecutionNano": 21813501
    },
    {
      "batchNumber": 7,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38428",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 115724681,
      "shortestRoundTripNano": 23059921,
      "longestRoundTripNano": 170915878,
      "averageApexExecutionNano": 14406756,
      "shortestApexExecutionNano": 1402961,
      "longestApexExecutionNano": 57016237
    },
    {
      "batchNumber": 8,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38430",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 87268333,
      "shortestRoundTripNano": 29857934,
      "longestRoundTripNano": 142114113,
      "averageApexExecutionNano": 8295938,
      "shortestApexExecutionNano": 1292335,
      "longestApexExecutionNano": 22250460
    },
    {
      "batchNumber": 9,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38430",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 89515572,
      "shortestRoundTripNano": 27979472,
      "longestRoundTripNano": 151246340,
      "averageApexExecutionNano": 2988598,
      "shortestApexExecutionNano": 1251419,
      "longestApexExecutionNano": 10779438
    },
    {
      "batchNumber": 10,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38428",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 161559717,
      "shortestRoundTripNano": 54052523,
      "longestRoundTripNano": 220095891,
      "averageApexExecutionNano": 2439668,
      "shortestApexExecutionNano": 1413877,
      "longestApexExecutionNano": 7713140
    },
    {
      "batchNumber": 11,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38428",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 102126750,
      "shortestRoundTripNano": 43249960,
      "longestRoundTripNano": 147393457,
      "averageApexExecutionNano": 4201824,
      "shortestApexExecutionNano": 1343794,
      "longestApexExecutionNano": 20132831
    },
    {
      "batchNumber": 12,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38432",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 94621079,
      "shortestRoundTripNano": 44447504,
      "longestRoundTripNano": 136784978,
      "averageApexExecutionNano": 2053586,
      "shortestApexExecutionNano": 1314753,
      "longestApexExecutionNano": 4677176
    },
    {
      "batchNumber": 13,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38432",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 95569040,
      "shortestRoundTripNano": 45539798,
      "longestRoundTripNano": 131660842,
      "averageApexExecutionNano": 3325890,
      "shortestApexExecutionNano": 1711712,
      "longestApexExecutionNano": 14248153
    },
    {
      "batchNumber": 14,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38432",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 118841955,
      "shortestRoundTripNano": 41387040,
      "longestRoundTripNano": 164058281,
      "averageApexExecutionNano": 8456753,
      "shortestApexExecutionNano": 1066002,
      "longestApexExecutionNano": 40687580
    },
    {
      "batchNumber": 15,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38432",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 98047224,
      "shortestRoundTripNano": 53382064,
      "longestRoundTripNano": 137689355,
      "averageApexExecutionNano": 3103221,
      "shortestApexExecutionNano": 1642711,
      "longestApexExecutionNano": 13629027
    },
    {
      "batchNumber": 16,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38432",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 89551458,
      "shortestRoundTripNano": 43607586,
      "longestRoundTripNano": 125304371,
      "averageApexExecutionNano": 4844014,
      "shortestApexExecutionNano": 1753670,
      "longestApexExecutionNano": 18681287
    },
    {
      "batchNumber": 17,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38432",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 98811396,
      "shortestRoundTripNano": 41244373,
      "longestRoundTripNano": 141306528,
      "averageApexExecutionNano": 2908269,
      "shortestApexExecutionNano": 1398919,
      "longestApexExecutionNano": 10733647
    },
    {
      "batchNumber": 18,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38450",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 85947612,
      "shortestRoundTripNano": 40228871,
      "longestRoundTripNano": 124690954,
      "averageApexExecutionNano": 2324032,
      "shortestApexExecutionNano": 1478128,
      "longestApexExecutionNano": 5606719
    },
    {
      "batchNumber": 19,
      "batchSize": 50,
      "apexClient": "localhost(127.0.0.1):38432",
      "eventsNotSent": 0,
      "eventsSent": 50,
      "eventsNotReceived": 0,
      "eventsReceived": 50,
      "averageRoundTripNano": 86057583,
      "shortestRoundTripNano": 45376757,
      "longestRoundTripNano": 119651361,
      "averageApexExecutionNano": 2733608,
      "shortestApexExecutionNano": 1704628,
      "longestApexExecutionNano": 12086274
    }
  ]
}

Performance Test Result

Summary

Performance test was triggered for 2 hours on a 4 core, 4GB RAM virtual machine. 

Test Statistics

Attached result log.


batchNumberbatchSizeeventsNotSenteventsSenteventsNotReceivedeventsReceivedaverageRoundTripNanoshortestRoundTripNanolongestRoundTripNanoaverageApexExecutionNanoshortestApexExecutionNanolongestApexExecutionNanoSuccess Percentage

Error Percentage

365018250001825000182500400246237439158516137448613356225136505104326434100%0%