Use Java 21 in performance tool Docker image

Author: acogoluegnes

Dockerfile

@@ -12,7 +12,7 @@ RUN set -eux; \
 		gnupg \
 		jq
 
-ARG JAVA_VERSION="17"
+ARG JAVA_VERSION="21"
 
 RUN if [ "$(uname -m)" = "aarch64" ] || [ "$(uname -m)" = "arm64" ]; then echo "ARM"; ARCH="arm"; BUNDLE="jdk"; else echo "x86"; ARCH="x86"; BUNDLE="jdk"; fi \
     && wget "https://api.azul.com/zulu/download/community/v1.0/bundles/latest/?java_version=$JAVA_VERSION&ext=tar.gz&os=linux&arch=$ARCH&hw_bitness=64&release_status=ga&bundle_type=$BUNDLE" -O jdk-info.json
@@ -76,7 +76,7 @@ ENV LANG en_US.UTF-8
 ENV LANGUAGE en_US:en
 ENV LC_ALL en_US.UTF-8
 
-ENV JAVA_HOME=/usr/lib/jvm/java-17-openjdk/jre
+ENV JAVA_HOME=/usr/lib/jvm/java-21-openjdk/jre
 RUN mkdir -p $JAVA_HOME
 COPY --from=builder /jre $JAVA_HOME/
 RUN ln -svT $JAVA_HOME/bin/java /usr/local/bin/java
@@ -93,4 +93,4 @@ RUN useradd --uid 1000 --gid stream-perf-test --comment "perf-test user" stream-
 
 USER stream-perf-test:stream-perf-test
 
-ENTRYPOINT ["java", "-Dio.netty.processId=1", "-jar", "stream-perf-test.jar"]
+ENTRYPOINT ["java", "-Dio.netty.processId=1", "-jar", "stream-perf-test.jar"]