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| <div class="section"> |
| <h1 id="realtime-results"> |
| 15. Real-time results<a class="sectionlink" href="#realtime-results" title="Link to here">¶</a> |
| </h1> |
| |
| <p> |
| Since JMeter 2.13 you can get real-time results sent to a backend through the |
| <a href="component_reference.html#Backend_Listener">Backend Listener</a> using potentially any backend (JDBC, JMS, Webservice, …) |
| by providing a class which implements <a href="../api/org/apache/jmeter/visualizers/backend/AbstractBackendListenerClient.html">AbstractBackendListenerClient</a>. |
| <br> |
| JMeter ships with: |
| |
| <ul> |
| |
| <li> |
| a GraphiteBackendListenerClient which allows you to send metrics to a Graphite Backend. |
| <br> |
| This feature provides: |
| |
| <ul> |
| |
| <li>Live results</li> |
| |
| <li>Nice graphs for metrics</li> |
| |
| <li>Ability to compare 2 or more load tests</li> |
| |
| <li>Storing monitoring data as long as JMeter results in the same backend</li> |
| |
| <li>…</li> |
| |
| </ul> |
| |
| </li> |
| |
| <li> |
| an InfluxDBBackendListenerClient introduced in JMeter 3.2 which allows you to send metrics to an InfluxDB Backend using UDP or HTTP protocols |
| This feature provides: |
| |
| <ul> |
| |
| <li>Live results</li> |
| |
| <li>Nice graphs for metrics</li> |
| |
| <li>Ability to compare 2 or more load tests</li> |
| |
| <li>Ability to add annotations to graphs</li> |
| |
| <li>Storing monitoring data as long as JMeter results in the same backend</li> |
| |
| <li>…</li> |
| |
| </ul> |
| |
| </li> |
| |
| </ul> |
| In this document we will present the configuration setup to graph and historize the data in different backends: |
| |
| <ul> |
| |
| <li>InfluxDB setup for InfluxDBBackendListenerClient</li> |
| |
| <li>InfluxDB setup for GraphiteBackendListenerClient</li> |
| |
| <li>Grafana</li> |
| |
| <li>Graphite</li> |
| |
| </ul> |
| |
| </p> |
| |
| <div class="subsection"> |
| <h2 id="metrics"> |
| 15.1 Metrics exposed<a class="sectionlink" href="#metrics" title="Link to here">¶</a> |
| </h2> |
| |
| <div class="subsection"> |
| <h2 id="metrics-threads"> |
| 15.1.1 Thread/Virtual Users metrics<a class="sectionlink" href="#metrics-threads" title="Link to here">¶</a> |
| </h2> |
| |
| <p> |
| Thread metrics are the following: |
| </p> |
| |
| <dl> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix>test.minAT</span> |
| </dt> |
| <dd>Min active threads</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix>test.maxAT</span> |
| </dt> |
| <dd>Max active threads</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix>test.meanAT</span> |
| </dt> |
| <dd>Mean active threads</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix>test.startedT</span> |
| </dt> |
| <dd>Started threads</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix>test.endedT</span> |
| </dt> |
| <dd>Finished threads</dd> |
| |
| </dl> |
| |
| </div> |
| |
| <div class="subsection"> |
| <h2 id="metrics-response-times"> |
| 15.1.2 Response times metrics<a class="sectionlink" href="#metrics-response-times" title="Link to here">¶</a> |
| </h2> |
| |
| <p>Response related metrics are the following:</p> |
| |
| <dl> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.ok.count</span> |
| </dt> |
| |
| <dd>Number of successful responses for sampler name</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.h.count</span> |
| </dt> |
| |
| <dd>Server hits per seconds, this metric cumulates Sample Result and Sub results (if using Transaction Controller, "Generate parent sampler" should be unchecked)</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.ok.min</span> |
| </dt> |
| |
| <dd>Min response time for successful responses of sampler name</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.ok.max</span> |
| </dt> |
| |
| <dd>Max response time for successful responses of sampler name</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.ok.avg</span> |
| </dt> |
| |
| <dd>Average response time for successful responses of sampler name.</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.ok.pct<percentileValue></span> |
| </dt> |
| |
| <dd>Percentile computed for successful responses of sampler name. There will be one metric for each calculated value.</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.ko.count</span> |
| </dt> |
| |
| <dd>Number of failed responses for sampler name</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.ko.min</span> |
| </dt> |
| |
| <dd>Min response time for failed responses of sampler name</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.ko.max</span> |
| </dt> |
| |
| <dd>Max response time for failed responses of sampler name</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.ko.avg</span> |
| </dt> |
| |
| <dd>Average response time for failed responses of sampler name.</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.ko.pct<percentileValue></span> |
| </dt> |
| |
| <dd>Percentile computed for failed responses of sampler name. There will be one metric for each calculated value.</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.a.count</span> |
| </dt> |
| |
| <dd>Number of responses for sampler name (sum of ok.count and ko.count)</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.sb.bytes</span> |
| </dt> |
| |
| <dd>Sent Bytes</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.rb.bytes</span> |
| </dt> |
| |
| <dd>Received Bytes</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.a.min</span> |
| </dt> |
| |
| <dd>Min response time for responses of sampler name (min of ok.count and ko.count)</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.a.max</span> |
| </dt> |
| |
| <dd>Max response time for responses of sampler name (max of ok.count and ko.count)</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.a.avg</span> |
| </dt> |
| |
| <dd>Average response time for responses of sampler name (avg of ok.count and ko.count)</dd> |
| |
| <dt> |
| <span class="code"><rootMetricsPrefix><samplerName>.a.pct<percentileValue></span> |
| </dt> |
| |
| <dd>Percentile computed for responses of sampler name. There will be one metric for each calculated value. (calculated on the totals for OK and failed samples)</dd> |
| |
| </dl> |
| |
| <p> |
| The default <span class="code">percentiles</span> setting on the <a href="../usermanual/component_reference.html#Backend_Listener">Backend Listener</a> is "90;95;99", |
| i.e. the 3 percentiles 90%, 95% and 99%. |
| |
| </p> |
| |
| <p> |
| The <a href="https://graphite.readthedocs.io/en/latest/feeding-carbon.html#step-1-plan-a-naming-hierarchy">Graphite naming hierarchy</a> |
| uses dot (".") to separate elements. This could be confused with decimal percentile values. |
| JMeter converts any such values, replacing dot (".") with underscore ("-"). |
| For example, "<span class="code">99.9</span>" becomes "<span class="code">99_9</span>" |
| |
| </p> |
| |
| <p> |
| By default JMeter sends metrics for all samplers accumulated under the samplerName "<span class="code">all</span>". |
| If the Backend Listener <span class="code">samplersList</span> is configured, then JMeter also sends the metrics |
| for the matching sample names unless <span class="code">summaryOnly=true</span> |
| |
| </p> |
| |
| </div> |
| |
| </div> |
| |
| <div class="subsection"> |
| <h2 id="jmeter-configuration"> |
| 15.2 JMeter configuration<a class="sectionlink" href="#jmeter-configuration" title="Link to here">¶</a> |
| </h2> |
| |
| <p> |
| To make JMeter send metrics to backend add a <a href="./component_reference.html#Backend_Listener">BackendListener</a> using the InfluxDBBackendListenerClient. |
| |
| </p> |
| |
| <figure> |
| <a href="../images/screenshots/backend_listener.png"><img src="../images/screenshots/backend_listener.png" width="902" height="341" alt="InfluxDB configuration"></a> |
| <figcaption>InfluxDB configuration</figcaption> |
| </figure> |
| |
| </div> |
| |
| <div class="subsection"> |
| <h2 id="influxdb_db_configuration"> |
| 15.3 InfluxDB configuration<a class="sectionlink" href="#influxdb_db_configuration" title="Link to here">¶</a> |
| </h2> |
| |
| <p> |
| Do one of the following to store data sent by the Backend Listener: |
| |
| <ul> |
| |
| <li> |
| For InfluxDB 2 setup, create a <span class="code">jmeter</span> <a href="https://v2.docs.influxdata.com/v2.0/organizations/buckets/create-bucket/" target="_blank">bucket</a> |
| </li> |
| |
| <li> |
| For InfluxDB 1.x setup, create a <span class="code">jmeter</span> database using the <a href="https://docs.influxdata.com/influxdb/v1.8/introduction/get-started/" target="_blank">Influx CLI</a> |
| </li> |
| |
| </ul> |
| You can also use the HTTP API i.e. |
| <span class="code">curl -i -XPOST http://localhost:8086/query --data-urlencode "q=CREATE DATABASE jmeter"</span> |
| |
| </p> |
| |
| <div class="subsection"> |
| <h2 id="influxdb"> |
| 15.3.1 InfluxDB setup for InfluxDBBackendListenerClient<a class="sectionlink" href="#influxdb" title="Link to here">¶</a> |
| </h2> |
| |
| <p> |
| InfluxDB is an open-source, distributed, time-series database that allows to |
| easily store metrics. |
| Installation and configuration is very easy, read this for more details <a href="https://docs.influxdata.com/influxdb/latest/introduction/installation/" target="_blank">InfluxDB documentation</a>. |
| <br> |
| InfluxDB data can be easily viewed in a browser through <a href="http://grafana.org/" target="_blank">Grafana</a>. |
| |
| </p> |
| |
| </div> |
| |
| <div class="subsection"> |
| <h2 id="influxdb_v2"> |
| 15.3.2 InfluxDB 2 setup for InfluxDBBackendListenerClient<a class="sectionlink" href="#influxdb_v2" title="Link to here">¶</a> |
| </h2> |
| |
| <p> |
| The configuration should specify the <span class="code">influxdbToken</span> parameter and also specify <span class="code">bucket</span> and <span class="code">org</span> as query parameters in the <span class="code">influxdbUrl</span>. See the <a href="https://v2.docs.influxdata.com/v2.0/api/#operation/PostWrite" target="_blank">InfluxDB v2 API</a> for more details. |
| |
| </p> |
| |
| <p> |
| How to retrieve the required information in the InfluxDB UI: |
| |
| <ul> |
| |
| <li> |
| <a target="_blank" href="https://v2.docs.influxdata.com/v2.0/security/tokens/view-tokens/">influxdbToken</a> |
| </li> |
| |
| <li> |
| <a target="_blank" href="https://v2.docs.influxdata.com/v2.0/organizations/buckets/view-buckets/">bucket</a> |
| </li> |
| |
| <li> |
| <a target="_blank" href="https://v2.docs.influxdata.com/v2.0/organizations/view-orgs/">org</a> |
| </li> |
| |
| </ul> |
| |
| </p> |
| |
| <figure> |
| <a href="../images/screenshots/backend_listener_influxdb_v2.png"><img src="../images/screenshots/backend_listener_influxdb_v2.png" width="882" height="428" alt="InfluxDB 2 configuration"></a> |
| <figcaption>InfluxDB 2 configuration</figcaption> |
| </figure> |
| |
| </div> |
| |
| </div> |
| |
| <div class="subsection"> |
| <h2 id="grafana_configuration"> |
| 15.4 Grafana configuration<a class="sectionlink" href="#grafana_configuration" title="Link to here">¶</a> |
| </h2> |
| |
| <p> |
| Installing grafana |
| <br> |
| Read <a href="https://docs.grafana.org/" target="_blank">documentation</a> for more details. |
| Add the <a href="https://docs.grafana.org/features/datasources/influxdb/" target="_blank">datasource</a> |
| <br> |
| |
| </p> |
| Here is the kind of dashboard that you could obtain: |
| |
| <figure> |
| <a href="../images/screenshots/grafana_dashboard.png"><img src="../images/screenshots/grafana_dashboard.png" width="1265" height="581" alt="Grafana dashboard"></a> |
| <figcaption>Grafana dashboard</figcaption> |
| </figure> |
| |
| </div> |
| |
| <div class="subsection"> |
| <h2 id="graphite_configuration"> |
| 15.5 Graphite Configuration<a class="sectionlink" href="#graphite_configuration" title="Link to here">¶</a> |
| </h2> |
| |
| <p>To make JMeter send metrics to backend, add a BackendListener using the GraphiteBackendListenerClient.</p> |
| |
| <p> |
| <a href="./component_reference.html#Backend_Listener">GraphiteBackendListenerClient</a> section will help you do the configuration. |
| </p> |
| |
| <figure> |
| <a href="../images/screenshots/backend_listener_graphite.png"><img src="../images/screenshots/backend_listener_graphite.png" width="902" height="341" alt="Graphite configuration"></a> |
| <figcaption>Graphite configuration</figcaption> |
| </figure> |
| |
| </div> |
| |
| <div class="subsection"> |
| <h2 id="graphite_sendor"> |
| 15.5.1 Graphite Sender<a class="sectionlink" href="#graphite_sendor" title="Link to here">¶</a> |
| </h2> |
| |
| <p>Two types of Senders are available. TextGraphiteMetricsSender, PickleGraphiteMetricsSender</p> |
| |
| <ul> |
| |
| <li> |
| For plaintext protocol, set graphiteMetricsSender parameter to <span class="code">org.apache.jmeter.visualizers.backend.graphite.TextGraphiteMetricsSender</span> |
| </li> |
| |
| <li> |
| For pickle protocol, set graphiteMetricsSender parameter to <span class="code">org.apache.jmeter.visualizers.backend.graphite.PickleGraphiteMetricsSender</span> |
| </li> |
| |
| </ul> |
| |
| <p> |
| To send large amounts of data, use the Pickle sender. It is a more efficient transmission method compared to textplain. |
| Read <a href="https://graphite.readthedocs.io/en/latest/feeding-carbon.html" target="_blank">the Graphite documentation</a> for more details. |
| </p> |
| |
| <figure> |
| <a href="../images/screenshots/backend_listener_graphite_pickle.png"><img src="../images/screenshots/backend_listener_graphite_pickle.png" width="902" height="341" alt="Graphite pickle sender"></a> |
| <figcaption>Graphite pickle sender</figcaption> |
| </figure> |
| |
| </div> |
| |
| </div> |
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| <a href="generating-dashboard.html">< Prev</a> |
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