devmadhuu opened a new pull request, #4129:
URL: https://github.com/apache/ozone/pull/4129
Understand the age of data ( age of buckets, age of objects, age of
volumes)
1. This requirement will be limited by the number of buckets (say top 10)
to show with their age information as a given volume can have a large number of
buckets. Same holds true for showing a limited number of volumes (say top 10)
with their age information if root path is given.
2. Top 10 criteria can be determined based on following factors:
3. Age of Top 10 buckets can be listed based on either count of keys or
size of buckets, if path is upto a specific volume.
4. Age of top 10 volumes can be listed based on either count of buckets or
size of volumes if path is given as root .
5. If the path given by the user is upto bucket level, then top 10 keys
based on size will be given with their age details.
6. If the path given by the user is upto key or leaf level, then only that
key age details will be returned along with size.
https://issues.apache.org/jira/browse/HDDS-7650
## How was this patch tested?
This patch is tested using postman by verifying backend responses:
API details:
If Path is Bucket:
Keys
TopN Keys with Age, Size details
By Count - Give user option to select 10, 20, 30 etc
By Size - Give user option to select With or Without Replica
Dirs
TopN Dirs with Age, Size, dirCount, keycount details
By Count - Give user option to select 10, 20, 30 etc
By Size - Give user option to select With or Without Replica
If Path is Volume:
Buckets
TopN Buckets with Age, Size, dirCount, keycount details
By Count - Give user option to select 10, 20, 30 etc
By Size - Give user option to select With or Without Replica
If Path is Directory:
Keys
TopN Keys with Age, Size details
By Count - Give user option to select 10, 20, 30 etc
By Size - Give user option to select With or Without Replica
Dirs
TopN Dirs with Age, Size, dirCount, keycount details
By Count - Give user option to select 10, 20, 30 etc
By Size - Give user option to select With or Without Replica
If Path is Key:
Display: Size, Age details
API End Point :
Request Type: GET
API Path: /api/v1/namespace/entitymetrics?path=<path of
volume/bucket/dir/key>
Sample Response:
{
"entityInfo":
{ "type": "DIRECTORY", "numVolume": -1, "numBucket": -1, "numDir": 2,
"numKey": 5, "status": "OK" }
,
"childEntityMetrics": [
{ "key": false, "path": "/volume1/bucket1/dir1/dir2", "size": 86060,
"sizeWithReplica": 258180, "isKey": false, "keyCount": 4, "bucketCount": -1,
"dirCount": 1, "volumeCount": -1, "type": "DIRECTORY", "creationTime":
1671801625290, "modificationTime": 1671801625290 }
,
{ "key": true, "path": "/volume1/bucket1/dir1/LICENSE.txt", "size": 21515,
"sizeWithReplica": 64545, "isKey": true, "keyCount": 0, "bucketCount": -1,
"dirCount": -1, "volumeCount": -1, "type": "KEY", "creationTime":
1671801625290, "modificationTime": 1671801625290 }
],
"status": "OK"
}
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