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Last active September 8, 2025 11:30
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Steps to backup and restore Minio Buckets
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minio_backup_restore_guide.md

Restore Backup with Minio (Minio <----> Local)

Instructions for restoring buckets using Minio mirror features.

Install Minio Client

Install Link install link

Linux AMD64 DEB:

wget https://dl.min.io/client/mc/release/linux-amd64/mcli_20240722200249.0.0_amd64.deb
sudo dpkg -i mcli_20240722200249.0.0_amd64.deb

Add minio server to minio alias:

mcli alias set myminio/ MINIO_SERVER_URL MINIO_ADMIN_USERNAME MINIO_ADMIN_PASSWORD

Commands:

List all contents of BUCKET_NAME

mcli ls myminio/BUCKET_NAME

Backup to local

mcli mirror myminio/BUCKET_NAME path-to-your-local-backup-folder/BUCKET_NAME --overwrite

Restore from local

mcli mirror path-to-your-local-backup-folder/BUCKET_NAME myminio/BUCKET_NAME --overwrite
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MahdadGhasemian commented Jul 23, 2025

Hello, We have done the same and we can see there a huge memory spike after mirror, form 2Gib -> 8Gib Ram. any suggestion to control this spike ?

Hello @ankitswifter
Take a look at this shared ChatGPT discussion — it outlines several methods to prevent memory spikes.
I haven't tested them yet, but they seem promising:
https://chatgpt.com/share/6880566d-584c-800d-a8f4-029b43ebe9ba

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