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Note
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EC2 Instance is a high-performance hardware disk
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Ephemeral storage
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Best for buffer / cache / scratch data / temporary content
EC2 Instance Store
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EBS volumes are network drives with good but “limited” performance
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If you need a high-performance hardware disk, use EC2 Instance Store
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Better I/O performance
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EC2 Instance Store lose their storage if they’re stopped (ephemeral)
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Good for buffer / cache / scratch data / temporary content
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Risk of data loss if hardware fails
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Backups and Replication are your responsibility
