Java APM with Kubernetes
  • Updated on 07 Nov 2019
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Java APM with Kubernetes

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This document details how to install the Java APM Profiler in your Java application running on Kubernetes.

Prerequisite

Follow the Retrace Kubernetes Install Guide.

Java Kubernetes Setup

Dockerfile Configuration

Adjust your Dockerfile to include the Java Profiler.

RUN mkdir -p /stackify-java-apm && \
    cd /stackify-java-apm && \
    wget https://download.stackify.com/stackify-java-apm/stackify-java-apm-latest.tar.gz; tar -zxvf  stackify-java-apm-latest.tar.gz; rm stackify-java-apm-latest.tar.gz && \
    ./install.sh

Enabling the Java Agent

Follow Enable the Stackify Java Profiler instructions based on the application server being used.

Note: Adjust the Java Profiler path to: /stackify-java-apm/stackify-java-apm.jar.

Pod Configuration

Application containers are required to have the stackify volume mount configured in Retrace Kubernetes Install.

Example Application Pod YAML:

apiVersion: v1
kind: ReplicationController
metadata:
  name: pod-name
spec:
  replicas: 1
  selector:
    app: app-name
  template:
    metadata:
      name: template-name
      labels:
        app: app-name
    spec:
      containers:
      - name: container-name
        image: application-image
        volumeMounts:
          - mountPath: /usr/local/stackify
            name: stackify
      volumes:
        - name: stackify
          hostPath: 
            path: /var/stackify
            type: DirectoryOrCreate

Verify

Make application requests, you can then verify results in the Retrace dashboard.

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