Limits of Object Storage

General limits

Limit	Value	Note
Max. Object size:	5 TB	Object Storage Objects can range in size from 1 byte to 5 terabytes.
Max. Part Size (multipart upload)	5 GB	Max size of one part, using multipart upload.
Max. number of parts (multipart upload)	10.000	Max number of parts, using multipart upload.
Max. Bucket size:	no limit	See “tenant quota”
Max. Versions per Object	1000	If object versioning is used this limitation is applied.
Tenant Quota	500 TB	Can be adjusted on request. Contact our Support
Max. Objects per Bucket	no limit
Max. Buckets per STACKIT Project	1000	per STACKIT project
Credentials Groups	1000	per STACKIT project
Max. Read/Write Requests per Second	2500	per STACKIT project
Max. Up-/Download bandwidth	500 MB/s	per STACKIT project
Max. Concurrent Read/Write Requests per Second	500	per STACKIT project
Bucket Policy size limit	20,480 Bytes	max. size of a bucket policy
Max. Retention for Compliance Lock	365 days	Max. time that can be set to lock objects

Bucket name restrictions

Limit	Value	Note
Name	Unique	Bucket names must be unique within the whole system. For example, it is not possible to create a bucket with the same name within two STACKIT projects
Length	3-63	Bucket names must be between 3 and 63 characters long
Characters	Letters, Numbers and hyphens	including upper and lowercase letters.
Characters	Dots	We recommend to avoid using dots in bucket names. Using IP addresses as a bucket name is not supported.
Begin/End	Only letter or number	bucket names must start or end with a letter or number
Prefix	”xn—“	Avoid using the prefix “xn–”. All other Prefixes can be used if the follow the other naming rules
Suffix	”-s3alias”	Avoid using the suffix “-s3alias”. All other suffixes can be used if the follow the other naming rules