Snapshot and restore in Elasticsearch - Mini Project: Build & Apply

Snapshot and Restore in Elasticsearch

📖 Scenario: You are managing an Elasticsearch cluster for a small online store. You want to create a backup of your data so you can restore it later if needed.

🎯 Goal: Learn how to create a snapshot repository, take a snapshot of an index, and restore the index from the snapshot in Elasticsearch.

📋 What You'll Learn

Create a snapshot repository named my_backup of type fs with location /usr/share/elasticsearch/backup

Create a snapshot named snapshot_1 in the my_backup repository for the index products

Restore the products index from the snapshot named snapshot_1 in the my_backup repository

💡 Why This Matters

🌍 Real World

Backing up and restoring Elasticsearch data is essential for data safety and disaster recovery in real-world applications.

💼 Career

Database administrators and DevOps engineers use snapshot and restore features to maintain data integrity and availability.

1

Create Snapshot Repository

Use the Elasticsearch API to create a snapshot repository called my_backup of type fs with the location set to /usr/share/elasticsearch/backup. Write the JSON body for the PUT request to /_snapshot/my_backup.

Elasticsearch

{
  "type": "fs",
  "settings": {
    "location": "/usr/share/elasticsearch/backup"
  }
}

# Your code here

Need a hint?

The repository type fs means filesystem. The location is the folder path where snapshots will be stored.

2

Create Snapshot

Write the JSON body for a PUT request to /_snapshot/my_backup/snapshot_1 that creates a snapshot named snapshot_1 for the index products. Include the indices field with the value products.

Elasticsearch

{
  "indices": "products"
}

# Your code here

Need a hint?

The indices field specifies which index to include in the snapshot.

3

Restore Snapshot

Write the JSON body for a POST request to /_snapshot/my_backup/snapshot_1/_restore that restores the products index from the snapshot. Include the indices field with the value products.

Elasticsearch

{
  "indices": "products"
}

# Your code here

Need a hint?

Restoring requires specifying which indices to restore from the snapshot.

4

Verify Snapshot and Restore Setup

Add the final step to verify the snapshot repository exists by writing a GET request to /_snapshot/my_backup. This confirms the repository is registered and ready.

Elasticsearch

# Your code here
GET /_snapshot/my_backup

Need a hint?

Use a GET request to check the snapshot repository status.