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new 6fba365bd HDDS-14276. [Website v2] [Docs] [Administrator Guide] Quota
(#176)
6fba365bd is described below
commit 6fba365bd56ff801eab0658d3e98f2f3ce04d02c
Author: Sarveksha Yeshavantha Raju
<[email protected]>
AuthorDate: Wed Dec 31 00:18:34 2025 +0530
HDDS-14276. [Website v2] [Docs] [Administrator Guide] Quota (#176)
---
.../03-operations/11-quota.md | 111 +++++++++++++++++++++
1 file changed, 111 insertions(+)
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+---
+sidebar_label: Quota in Ozone
+---
+
+# Quota in Ozone
+
+## Client usage
+
+### Storage Space level quota
+
+Storage space level quotas allow the use of units B, KB, MB, GB and TB.
Represents how much storage Spaces will be used.
+
+#### Note
+
+- Decimals are not supported while setting quota for volume and bucket. For
example, 1.5 TB.
+
+- Ensure that the minimum storage quota is default block size x replication
factor. If you set the value lesser than the default block size x replication
factor, while writing the data (key put) operation, an operation error is
displayed.
+
+#### Volume Storage Space level quota
+
+```shell
+bin/ozone sh volume create --space-quota 5MB /volume1
+```
+
+This means setting the storage space of Volume1 to 5MB
+
+```shell
+bin/ozone sh volume setquota --space-quota 10GB /volume1
+```
+
+This behavior changes the quota of Volume1 to 10GB.
+
+#### Bucket Storage Space level quota
+
+```shell
+bin/ozone sh bucket create --space-quota 5MB /volume1/bucket1
+```
+
+That means bucket1 allows us to use 5MB of storage.
+
+```shell
+bin/ozone sh bucket setquota --space-quota 10GB /volume1/bucket1
+```
+
+This behavior changes the quota for Bucket1 to 10GB
+
+Total bucket quota should not be greater than its Volume quota. If we have a
10MB Volume, The sum of the sizes of all buckets under this volume cannot
exceed 10MB, otherwise the bucket set quota fails.
+
+#### Clear the quota for volume and bucket
+
+```shell
+bin/ozone sh volume clrquota --space-quota /volume1
+bin/ozone sh bucket clrquota --space-quota /volume1/bucket1
+```
+
+#### Check quota and usedBytes for volume and bucket
+
+```shell
+bin/ozone sh volume info /volume1
+bin/ozone sh bucket info /volume1/bucket1
+```
+
+We can get the quota value and usedBytes in the info of volume and bucket.
+
+### Namespace quota
+
+Namespace quota is a number that represents how many unique names can be used.
This number cannot be greater than LONG.MAX_VALUE in Java.
+
+#### Volume Namespace quota
+
+```shell
+bin/ozone sh volume create --namespace-quota 100 /volume1
+```
+
+This means setting the namespace quota of Volume1 to 100.
+
+```shell
+bin/ozone sh volume setquota --namespace-quota 1000 /volume1
+```
+
+This behavior changes the namespace quota of Volume1 to 1000.
+
+#### Bucket Namespace quota
+
+```shell
+bin/ozone sh bucket create --namespace-quota 100 /volume1/bucket1
+```
+
+That means bucket1 allows us to use 100 of namespace.
+
+```shell
+bin/ozone sh bucket setquota --namespace-quota 1000 /volume1/bucket1
+```
+
+This behavior changes the quota for Bucket1 to 1000.
+
+#### Clear the quota for volume and bucket
+
+```shell
+bin/ozone sh volume clrquota --namespace-quota /volume1
+bin/ozone sh bucket clrquota --namespace-quota /volume1/bucket1
+```
+
+#### Check quota and usedNamespace for volume and bucket
+
+```shell
+bin/ozone sh volume info /volume1
+bin/ozone sh bucket info /volume1/bucket1
+```
+
+We can get the quota value and usedNamespace in the info of volume and bucket.
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