pulsar-helm-chart

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roman-popenov ef099c96d2 [ISSUE-6131]: Ensure JVM memory and GC options are set for bookie (#6201 )

### Motivation
Fixes #6131 (caused by #5675):

When upgrading an existing 2.4.1 bookie cluster to 2.5.0 on kubernetes, the bookie fails to start with the following exception during initialization: io.netty.util.internal.OutOfDirectMemoryError: failed to allocate 16777216 byte(s) of direct memory (used: 2147483648, max: 2147483648). This is caused by the fact that the bookie environment variables `BOOKIE_MEM` and `BOOKIE_FC` defined in conf/bkenv.sh has no effect, and it is always using the defaults values. 

#### Proposed solution:
Set `BOOKIE_MEM` and `BOOKIE_GC` in the helm deployments charts and default to `PULSAR_MEM` if the `BOOKIE` settings are not set and then use the default settings if none of those environment variables are set.

#### Changes made
Helm chart deployment `values.yaml` and `values-mini.yaml` along with the `bkenv.sh` configuration script.

### Documentation
Currently, the documentation explaining the deployment process and how to change settings is lacking and need to be updated.

2020-02-07 17:15:53 -08:00

pulsar

[ISSUE-6131]: Ensure JVM memory and GC options are set for bookie (#6201 )

2020-02-07 17:15:53 -08:00

README.md

[Issue:5787] Fix docs for creating a K8S cluster on Minikube fail (#5805 )

2019-12-06 16:19:37 +08:00

README.md

This directory contains the Helm Chart required to do a complete Pulsar deployment on Kubernetes.

Install Helm

Before you start, you need to install helm. Following helm documentation to install it.

Deploy Pulsar

Minikube

Install Minikube

Install and configure minikube with a VM driver, e.g. kvm2 on Linux or hyperkit or VirtualBox on macOS.

Create a K8S cluster on Minikube

minikube start --memory=8192 --cpus=4

Set kubectl to use Minikube.

kubectl config use-context minikube

After you created a K8S cluster on Minikube, you can access its dashboard via following command:

minikube dashboard

The command will automatically trigger open a webpage in your browser.

Install Pulsar Chart

Assume you already cloned pulsar repo in PULSAR_HOME directory.

Go to Pulsar helm chart directory

cd ${PULSAR_HOME}/deployment/kubernetes/helm

Install helm chart.

helm install --values pulsar/values-mini.yaml ./pulsar

Once the helm chart is completed on installation, you can access the cluster via:

Web service url: http://$(minikube ip):30001/
Pulsar service url: pulsar://$(minikube ip):30002/