execution/README.md

@@ -120,7 +120,7 @@ can be installed via Helm. We also provide a [default configuration](infrastruct
 To install it:
 
 ```sh
-helm install kafka-lag-exporter https://github.com/lightbend/kafka-lag-exporter/releases/download/v0.6.0/kafka-lag-exporter-0.6.0.tgz -f infrastructure/kafka-lag-exporter/values.yaml
+helm install kafka-lag-exporter https://github.com/lightbend/kafka-lag-exporter/releases/download/v0.6.3/kafka-lag-exporter-0.6.3.tgz -f infrastructure/kafka-lag-exporter/values.yaml
 ```
 
 
@@ -157,8 +157,8 @@ The `./theodolite.sh` is the entrypoint for all benchmark executions. Is has to
 ```
 
 * `<use-case>`: Stream processing use case to be benchmarked. Has to be one of `1`, `2`, `3` or `4`.
-* `<wl-values>`: Values for the workload generator to be tested, separated by commas. For example `100000, 200000, 300000`.
-* `<instances>`: Numbers of instances to be benchmarked, separated by commas. For example `1, 2, 3, 4`.
+* `<wl-values>`: Values for the workload generator to be tested, separated by commas and quoted. For example `"100000, 200000, 300000"`.
+* `<instances>`: Numbers of instances to be benchmarked, separated by commas and quoted. For example `"1, 2, 3, 4"`.
 * `<partitions>`: Number of partitions for Kafka topics. Optional. Default `40`.
 * `<cpu-limit>`: Kubernetes CPU limit. Optional. Default `1000m`.
 * `<memory-limit>`: Kubernetes memory limit. Optional. Default `4Gi`.

execution/run_uc1.sh

@@ -76,7 +76,7 @@ echo "Finished execution, print topics:"
 #kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(titan-.*|input|output|configuration)( - marked for deletion)?$/p'
 while test $(kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(theodolite-.*|input|output|configuration)( - marked for deletion)?$/p' | wc -l) -gt 0
 do
-    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input|output|configuration|theodolite-.*'"
+    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input|output|configuration|theodolite-.*' --if-exists"
     echo "Wait for topic deletion"
     sleep 5s
     #echo "Finished waiting, print topics:"
@@ -90,25 +90,10 @@ echo "Finish topic deletion, print topics:"
 echo "Delete ZooKeeper configurations used for workload generation"
 kubectl exec zookeeper-client -- bash -c "zookeeper-shell my-confluent-cp-zookeeper:2181 deleteall /workload-generation"
 echo "Waiting for deletion"
-
-while [ true ]
+while kubectl exec zookeeper-client -- bash -c "zookeeper-shell my-confluent-cp-zookeeper:2181 get /workload-generation"
 do
-    IFS=', ' read -r -a array <<< $(kubectl exec zookeeper-client -- bash -c "zookeeper-shell my-confluent-cp-zookeeper:2181 ls /" | tail -n 1 | awk -F[\]\[] '{print $2}')
-    found=0
-    for element in "${array[@]}"
-    do
-        if [ "$element" == "workload-generation" ]; then
-                found=1
-                break
-        fi
-    done
-    if [ $found -ne 1 ]; then
-        echo "ZooKeeper reset was successful."
-        break
-    else 
-        echo "ZooKeeper reset was not successful. Retrying in 5s."
-        sleep 5s
-    fi
+    echo "Wait for ZooKeeper state deletion."
+    sleep 5s
 done
 echo "Deletion finished"
 

execution/run_uc2.sh

@@ -75,7 +75,7 @@ echo "Finished execution, print topics:"
 #kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(titan-.*|input|output|configuration)( - marked for deletion)?$/p'
 while test $(kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(theodolite-.*|input|aggregation-feedback|output|configuration)( - marked for deletion)?$/p' | wc -l) -gt 0
 do
-    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input|aggregation-feedback|output|configuration|theodolite-.*'"
+    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input|aggregation-feedback|output|configuration|theodolite-.*' --if-exists"
     echo "Wait for topic deletion"
     sleep 5s
     #echo "Finished waiting, print topics:"
@@ -89,25 +89,10 @@ echo "Finish topic deletion, print topics:"
 echo "Delete ZooKeeper configurations used for workload generation"
 kubectl exec zookeeper-client -- bash -c "zookeeper-shell my-confluent-cp-zookeeper:2181 deleteall /workload-generation"
 echo "Waiting for deletion"
-
-while [ true ]
+while kubectl exec zookeeper-client -- bash -c "zookeeper-shell my-confluent-cp-zookeeper:2181 get /workload-generation"
 do
-    IFS=', ' read -r -a array <<< $(kubectl exec zookeeper-client -- bash -c "zookeeper-shell my-confluent-cp-zookeeper:2181 ls /" | tail -n 1 | awk -F[\]\[] '{print $2}')
-    found=0
-    for element in "${array[@]}"
-    do
-        if [ "$element" == "workload-generation" ]; then
-                found=1
-                break
-        fi
-    done
-    if [ $found -ne 1 ]; then
-        echo "ZooKeeper reset was successful."
-        break
-    else
-        echo "ZooKeeper reset was not successful. Retrying in 5s."
-        sleep 5s
-    fi
+    echo "Wait for ZooKeeper state deletion."
+    sleep 5s
 done
 echo "Deletion finished"
 

execution/run_uc3.sh

@@ -77,7 +77,7 @@ echo "Finished execution, print topics:"
 #kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(titan-.*|input|output|configuration)( - marked for deletion)?$/p'
 while test $(kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(theodolite-.*|input|output|configuration)( - marked for deletion)?$/p' | wc -l) -gt 0
 do
-    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input|output|configuration|theodolite-.*'"
+    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input|output|configuration|theodolite-.*' --if-exists"
     echo "Wait for topic deletion"
     sleep 5s
     #echo "Finished waiting, print topics:"
@@ -91,25 +91,10 @@ echo "Finish topic deletion, print topics:"
 echo "Delete ZooKeeper configurations used for workload generation"
 kubectl exec zookeeper-client -- bash -c "zookeeper-shell my-confluent-cp-zookeeper:2181 deleteall /workload-generation"
 echo "Waiting for deletion"
-
-while [ true ]
+while kubectl exec zookeeper-client -- bash -c "zookeeper-shell my-confluent-cp-zookeeper:2181 get /workload-generation"
 do
-    IFS=', ' read -r -a array <<< $(kubectl exec zookeeper-client -- bash -c "zookeeper-shell my-confluent-cp-zookeeper:2181 ls /" | tail -n 1 | awk -F[\]\[] '{print $2}')
-    found=0
-    for element in "${array[@]}"
-    do
-        if [ "$element" == "workload-generation" ]; then
-                found=1
-                break
-        fi
-    done
-    if [ $found -ne 1 ]; then
-        echo "ZooKeeper reset was successful."
-        break
-    else 
-        echo "ZooKeeper reset was not successful. Retrying in 5s."
-        sleep 5s
-    fi
+    echo "Wait for ZooKeeper state deletion."
+    sleep 5s
 done
 echo "Deletion finished"
 

execution/run_uc4.sh

@@ -76,7 +76,7 @@ echo "Finished execution, print topics:"
 #kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(titan-.*|input|output|configuration)( - marked for deletion)?$/p'
 while test $(kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --list" | sed -n -E '/^(theodolite-.*|input|output|configuration)( - marked for deletion)?$/p' | wc -l) -gt 0
 do
-    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input|output|configuration|theodolite-.*'"
+    kubectl exec kafka-client -- bash -c "kafka-topics --zookeeper my-confluent-cp-zookeeper:2181 --delete --topic 'input|output|configuration|theodolite-.*' --if-exists"
     echo "Wait for topic deletion"
     sleep 5s
     #echo "Finished waiting, print topics:"
@@ -90,25 +90,10 @@ echo "Finish topic deletion, print topics:"
 echo "Delete ZooKeeper configurations used for workload generation"
 kubectl exec zookeeper-client -- bash -c "zookeeper-shell my-confluent-cp-zookeeper:2181 deleteall /workload-generation"
 echo "Waiting for deletion"
-
-while [ true ]
+while kubectl exec zookeeper-client -- bash -c "zookeeper-shell my-confluent-cp-zookeeper:2181 get /workload-generation"
 do
-    IFS=', ' read -r -a array <<< $(kubectl exec zookeeper-client -- bash -c "zookeeper-shell my-confluent-cp-zookeeper:2181 ls /" | tail -n 1 | awk -F[\]\[] '{print $2}')
-    found=0
-    for element in "${array[@]}"
-    do
-        if [ "$element" == "workload-generation" ]; then
-                found=1
-                break
-        fi
-    done
-    if [ $found -ne 1 ]; then
-        echo "ZooKeeper reset was successful."
-        break
-    else 
-        echo "ZooKeeper reset was not successful. Retrying in 5s."
-        sleep 5s
-    fi
+    echo "Wait for ZooKeeper state deletion."
+    sleep 5s
 done
 echo "Deletion finished"
 

workload-generator-commons/src/main/java/theodolite/commons/workloadgeneration/generators/AbstractWorkloadGenerator.java

@@ -98,9 +98,8 @@ public abstract class AbstractWorkloadGenerator<T>
       LOGGER.info("Experiment is going to be executed for the specified duration...");
 
       entities.forEach(entity -> {
-        final T message = entity.generateMessage();
         final long initialDelay = random.nextInt(periodMs);
-        final Runnable task = () -> this.transport.transport(message);
+        final Runnable task = () -> this.transport.transport(entity.generateMessage());
         this.executor.scheduleAtFixedRate(task, initialDelay, periodMs, TimeUnit.MILLISECONDS);
       });