Overview
Flink Dashboard cluster overview
The Apache Flink Web Dashboard cluster overview, showing task slots, the running job count and the Flink version.
Flink Dashboard cluster overview
Task Managers page
A running Flink job
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Overview Apache Flink is the open source framework and distributed processing engine for stateful computations over unbounded and bounded data streams. This image delivers Apache Flink fully installed and configured as a single node standalone cluster, so a complete stream processing platform is running within minutes of launch. The current release available is Apache Flink 2.
Application Stack Apache Flink with the JobManager and the TaskManager each running as its own systemd service. OpenJDK 17 provides the Java runtime. The Flink command line client, the bundled SQL client and the streaming and batch example jobs are all included. The Flink Web Dashboard is served for cluster and job monitoring and for submitting jobs.
Single Node Cluster The JobManager and the TaskManager run together on one instance with two task slots, ready for development, testing, single tenant production streaming and proof of concept workloads. The cluster scales out by adding further TaskManager instances on additional hosts, and the included configuration is straightforward to tune for larger instance types.
First Boot On the first boot of your instance a one shot service records the dashboard address and the cluster paths to an information file and starts the cluster. Apache Flink itself has no built in user accounts, so no shared or default passwords ship in the image.
Ready To Use The Flink distribution, the dedicated service account, the systemd units and the working directories are all configured. Browse to the instance address on port 8081 to reach the Web Dashboard, monitor the cluster and submit a job. Because Apache Flink has no authentication layer, restrict access to the dashboard port to trusted networks or place it behind a load balancer.
cloudimg Support 24/7 technical support by email and chat. Help with Apache Flink deployment, cluster sizing, job submission, state and checkpoint configuration and performance tuning.
Use Cases Real time stream processing and analytics. Event driven applications. Streaming data pipelines and ETL. Fraud and anomaly detection. Continuous metric and log processing.
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Highlights
- Apache Flink preinstalled and ready, with OpenJDK 17, a JobManager service, a TaskManager service and the Flink Web Dashboard, with no manual setup required
- Single node standalone cluster with two task slots, suited to development, testing, single tenant production streaming and proof of concept workloads, and straightforward to scale out
- 24/7 technical support from cloudimg, with expert assistance for stream processing deployment, cluster sizing, job submission and performance tuning
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Dimension | Description | Cost/hour |
|---|---|---|
m5.large Recommended | m5.large | $0.08 |
t3.micro | t3.micro instance type | $0.04 |
t2.micro | t2.micro instance type | $0.04 |
m6idn.metal | m6idn.metal instance type | $0.24 |
x8i.metal-48xl | x8i.metal-48xl instance type | $0.24 |
m5d.2xlarge | m5d.2xlarge instance type | $0.24 |
c6i.8xlarge | c6i.8xlarge instance type | $0.24 |
r7iz.8xlarge | r7iz.8xlarge instance type | $0.24 |
r6idn.12xlarge | r6idn.12xlarge instance type | $0.24 |
c6i.large | c6i.large instance type | $0.08 |
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Delivery details
64-bit (x86) Amazon Machine Image (AMI)
Amazon Machine Image (AMI)
An AMI is a virtual image that provides the information required to launch an instance. Amazon EC2 (Elastic Compute Cloud) instances are virtual servers on which you can run your applications and workloads, offering varying combinations of CPU, memory, storage, and networking resources. You can launch as many instances from as many different AMIs as you need.
Version release notes
Initial release of Apache Flink as a single node stream processing cluster.
Additional details
Usage instructions
Connect via SSH on port 22 as the default login user for your operating system variant (the user guide lists it per variant). The Apache Flink Web Dashboard and REST API are served on port 8081. Browse to http://<instance-public-ip>:8081/ to reach the dashboard, monitor the JobManager and TaskManager and submit jobs. Apache Flink has no built in authentication, so restrict the port 8081 security group rule to trusted networks or front the dashboard with a TLS terminating load balancer. Cluster information is recorded at /stage/scripts/flink-info.log. The JobManager and TaskManager run as the systemd services flink-jobmanager.service and flink-taskmanager.service.
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Vendor support
cloudimg provides 24/7 technical support for this product by email and live chat. Our engineers help with deployment, configuration, updates, performance tuning and troubleshooting; critical issues receive a one hour average response. Contact support@cloudimg.co.uk .
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