10-Kubernetes-elasticsearch-nfs cluster deployment

This article provides a comprehensive guide to deploying and managing Elasticsearch in a Kubernetes cluster using NFS storage. It covers the steps involved in creating an NFS server, configuring PVCs and PVs, deploying Elasticsearch with persistent s

Deploying Elasticsearch with NFS Storage on Kubernetes Cluster

How to Deploy Elasticsearch in a Kubernetes Cluster Using NFS Storage?

To deploy Elasticsearch in a Kubernetes cluster using NFS storage, follow these steps:

1. Create an NFS server and share the storage.
2. Create a Persistent Volume Claim (PVC) using the NFS server's IP and path.
3. Create a Persistent Volume (PV) to bind the PVC to.
4. Deploy Elasticsearch with a StatefulSet, specifying the PVC for persistent storage.

How to Configure Elasticsearch Storage Policy to Leverage NFS Persistent Volumes?

To configure Elasticsearch storage policy to leverage NFS persistent volumes:

1. In the elasticsearch-data ConfigMap, under volumeClaimTemplates, specify the storageClass field with the PV's storage class name.elasticsearch-data ConfigMap, under volumeClaimTemplates, specify the storageClass field with the PV's storage class name.

2. Create a Storage Class for the NFS PV, specifying the following parameters:

   • provisioner: Kubernetes NFS provisioner name.
   • parameters
   Create a Storage Class for the NFS PV, specifying the following parameters:

provisioner: Kubernetes NFS provisioner name.

parameters: Include the NFS server's IP, path, and other required NFS parameters.

• How to Manage and Monitor Elasticsearch Cluster Using NFS Storage in Kubernetes?

  To manage and monitor Elasticsearch clusters in Kubernetes with NFS storage:
  • Managing Data
  :

• Use the Kubernetes Dashboard or kubectl commands to monitor the PVC status and data usage.Regularly backup and restore Elasticsearch data using tools like Velero.

  • Monitoring Performance
  :

• Use Elasticsearch's monitoring tools (e.g., Kibana, Elasticsearch HQ) for performance metrics.Monitor the NFS server's health using performance monitoring tools.

  • Scaling and Upgrades
  :

🎜Scale Elasticsearch by adjusting the StatefulSet's replica count.🎜🎜Update Elasticsearch by using a rolling update strategy to minimize downtime while applying upgrades.🎜🎜🎜🎜

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