Minio Limitations.md

Features of Minio Server.

Item	Specification
Custom access key	environment MINIO_ACCESS_KEY
Custom secret key	environment MINIO_SECRET_KEY
Turn off web browser	environment MINIO_BROWSER=off
Listening on bucket notifications	using an extended S3 API
Support for bucket notifications	postgres, amqp, nats, elasticsearch, redis, kafka (in-progress)
Shared Backend (FS)	In-progress
Object Caching (XL)	50% of RAM size (no caching if RAM is < 8GB)

Practical Limitations of Minio Server.

Item	Specification
Maximum disks (XL)	16
Minimum disks (XL)	4
Read Quorum (XL)	N/2
Write Quorum (XL)	N/2+1
Web browser upload size limit	5GB
Web browser download size limit	no-limit

Practical Limitations of S3 API.

Item	Specification
Maximum object size	5 TB
Maximum object size single PUT operation	5 GB
Maximum number of parts per upload	10,000
Part numbers	1 to 10,000 (inclusive)
Part size	5 MB to 5 GB, last part can be < 5 MB
Maximum number of parts returned for a list parts request	1000
Maximum number of objects returned for a list objects request	1000
Maximum number of multipart uploads returned in a list multipart uploads request	1000

List of S3 Bucket API's not supported on Minio.

• BucketACL (We implemented bucket policies instead)
• BucketCORS (CORS enabled on all by default)
• BucketLifecycle (Use mc rm --older-than)
• BucketLogging (Use listenBucketNotification refer our SDK docs)
• BucketReplication (Not needed, if needed can be setup using mc mirror)
• BucketTagging.
• BucketVersions.
• BucketRequestPayment.
• BucketVersioning
• BucketWebsite

List of S3 Object API's not supported on Minio.

• ObjectTorrent.
• ObjectACL (Bucket policies are used instead).
• ObjectPolicy.
• ObjectCopyPart (single part copy).