From: Kai Moritz <kai@juplo.de>
Date: Sat, 23 Jul 2022 10:48:22 +0000 (+0200)
Subject: Merge der überarbeiteten Compose-Konfiguration ('setup-partitionierung')
X-Git-Url: https://juplo.de/gitweb/?a=commitdiff_plain;h=refs%2Fheads%2Fround-robin;p=demos%2Fkafka%2Ftraining

Merge der überarbeiteten Compose-Konfiguration ('setup-partitionierung')

* Diese Übung war zuvor noch nicht auf den letzten Stand (gemeinsames
  Basis-Setup 'setup-partitionierung' angehoben worden.
* Hintergrund: `RoundRobinPartitioner` ist veraltet!
---

053b38adcd1607bf4ddac5bd7039bd05dd3f55c7
diff --cc README.sh
index 9190bf0,3ec2781..f00b917
--- a/README.sh
+++ b/README.sh
@@@ -35,12 -35,16 +35,16 @@@ kafka-topics --bootstrap-server kafka:9
  kafka-topics --bootstrap-server kafka:9092 --describe --topic test
  EOF
  
- docker-compose up -d producer
+ docker-compose up -d producer consumer
+ 
  sleep 10
- docker-compose stop producer
- docker-compose up count-0
- docker-compose up count-1
- docker-compose up count-2
 -http :8081/seen
++http -v :8081/seen
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
  
  docker-compose exec -T cli bash << 'EOF'
  echo "Altering number of partitions from 3 to 7..."
@@@ -50,35 -54,37 +54,37 @@@ kafka-topics --bootstrap-server kafka:9
  # end::altertopic[]
  EOF
  
- docker-compose up -d producer
- sleep 10
- docker-compose stop producer
- docker-compose up count-0
- docker-compose up count-1
- docker-compose up count-2
- docker-compose up count-3
- docker-compose up count-4
- docker-compose up count-5
- docker-compose up count-6
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
  
- docker-compose exec -T cli bash << 'EOF'
- echo "Recreating topic with 7 partitions..."
- # tag::recreatetopic[]
- kafka-topics --bootstrap-server kafka:9092 --delete --topic test
- kafka-topics --bootstrap-server kafka:9092 --create --topic test --partitions 7
- kafka-topics --bootstrap-server kafka:9092 --describe --topic test
- # end::recreatetopic[]
- EOF
 -http post :8081/stop
 -http post :8081/start
++http -v post :8081/stop
++http -v post :8081/start
  
- docker-compose up -d producer
- sleep 10
- docker-compose stop producer
- docker-compose up count-0
- docker-compose up count-1
- docker-compose up count-2
- docker-compose up count-3
- docker-compose up count-4
- docker-compose up count-5
- docker-compose up count-6
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
+ sleep 1
 -http :8081/seen
++http -v :8081/seen
  
- docker-compose stop producer
+ docker-compose stop producer consumer
diff --cc docker-compose.yml
index c2c9bd6,de99240..4ace0e1
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@@ -46,114 -47,14 +47,14 @@@ services
        producer.topic: test
        producer.throttle-ms: 10
  
-   count-0:
-     image: juplo/toolbox
-     command: >
-       bash -c "
-         kafka-console-consumer \
-           --bootstrap-server kafka:9092 \
-           --topic test \
-           --partition 0 \
-           --property print.key=true \
-           --property print.value=false \
-           --from-beginning \
-           --timeout-ms 1000 2>/dev/null | sort | uniq -c
-       "
- 
-   count-1:
-     image: juplo/toolbox
-     command: >
-       bash -c "
-         kafka-console-consumer \
-           --bootstrap-server kafka:9092 \
-           --topic test \
-           --partition 1 \
-           --property print.key=true \
-           --property print.value=false \
-           --from-beginning \
-           --timeout-ms 1000 2>/dev/null | sort | uniq -c
-       "
- 
-   count-2:
-     image: juplo/toolbox
-     command: >
-       bash -c "
-         kafka-console-consumer \
-           --bootstrap-server kafka:9092 \
-           --topic test \
-           --partition 2 \
-           --property print.key=true \
-           --property print.value=false \
-           --from-beginning \
-           --timeout-ms 1000 2>/dev/null | sort | uniq -c
-       "
- 
-   count-3:
-     image: juplo/toolbox
-     command: >
-       bash -c "
-         kafka-console-consumer \
-           --bootstrap-server kafka:9092 \
-           --topic test \
-           --partition 3 \
-           --property print.key=true \
-           --property print.value=false \
-           --from-beginning \
-           --timeout-ms 1000 2>/dev/null | sort | uniq -c
-       "
- 
-   count-4:
-     image: juplo/toolbox
-     command: >
-       bash -c "
-         kafka-console-consumer \
-           --bootstrap-server kafka:9092 \
-           --topic test \
-           --partition 4 \
-           --property print.key=true \
-           --property print.value=false \
-           --from-beginning \
-           --timeout-ms 1000 2>/dev/null | sort | uniq -c
-       "
- 
-   count-5:
-     image: juplo/toolbox
-     command: >
-       bash -c "
-         kafka-console-consumer \
-           --bootstrap-server kafka:9092 \
-           --topic test \
-           --partition 5 \
-           --property print.key=true \
-           --property print.value=false \
-           --from-beginning \
-           --timeout-ms 1000 2>/dev/null | sort | uniq -c
-       "
- 
-   count-6:
-     image: juplo/toolbox
-     command: >
-       bash -c "
-         kafka-console-consumer \
-           --bootstrap-server kafka:9092 \
-           --topic test \
-           --partition 6 \
-           --property print.key=true \
-           --property print.value=false \
-           --from-beginning \
-           --timeout-ms 1000 2>/dev/null | sort | uniq -c
-       "
  
-   count-7:
-     image: juplo/toolbox
-     command: >
-       bash -c "
-         kafka-console-consumer \
-           --bootstrap-server kafka:9092 \
-           --topic test \
-           --partition 7 \
-           --property print.key=true \
-           --property print.value=false \
-           --from-beginning \
-           --timeout-ms 1000 2>/dev/null | sort | uniq -c
-       "
+   consumer:
 -    image: juplo/counting-consumer:1.0-SNAPSHOT
++    image: juplo/endless-consumer:1.0-SNAPSHOT
+     ports:
+       - 8081:8080
+     environment:
+       server.port: 8080
+       consumer.bootstrap-server: kafka:9092
+       consumer.client-id: my-group
+       consumer.client-id: consumer
+       consumer.topic: test
diff --cc src/main/java/de/juplo/kafka/EndlessProducer.java
index 6b42954,8b3743d..fcf42de
--- a/src/main/java/de/juplo/kafka/EndlessProducer.java
+++ b/src/main/java/de/juplo/kafka/EndlessProducer.java
@@@ -45,7 -41,7 +41,8 @@@ public class EndlessProducer implement
      props.put("bootstrap.servers", bootstrapServer);
      props.put("client.id", clientId);
      props.put("acks", acks);
+     props.put("metadata.max.age.ms", "1000");
 +    props.put("partitioner.class", "org.apache.kafka.clients.producer.RoundRobinPartitioner");
      props.put("key.serializer", StringSerializer.class.getName());
      props.put("value.serializer", StringSerializer.class.getName());