cubefs/docs/source/evaluation/env.md

Environment Preparation

Cluster Information

Version: v3.3.1

Node Type	Number of Nodes	CPU	Memory	Storage	Network	Remarks
Management Node	3	8	32GiB	197GiB SSD	10 Gb/s	Docker container
Metadata Node	5	80	377GiB	4 x 3.7TiB SSD	50 Gb/s	Mixed deployment
Data Node	5	80	377GiB	4 x 3.7TiB SSD	50 Gb/s	Mixed deployment

Volume Settings

No quota is set, and no flow control rate limit is set on DataNode.

Parameter	Default Value	Recommended Value	Description
FollowerRead	False	False	Whether to enable FollowerRead
Capacity	10 GB	300,000,000 GB	Capacity
Data Replica Number	3	500	Number of data replicas
Meta Replica Number	3	3	Number of metadata replicas
Data Partition Size	120 GB	120 GB	Theoretical upper limit, no space is pre-allocated
Data Partition Count	10	1500	Number of data partitions
Meta Partition Count	3	10	Number of metadata partitions
Cross Zone	False	False	Whether to cross zones

Setting method:

./cfs-cli volume create test-vol {owner} --capacity=300000000 --mp-count=10
Create a new volume:
  Name                     : test-vol
  Owner                    : {owner}
  capacity                 : 300000000 G
  deleteLockTime           : 0 h
  crossZone                : false
  DefaultPriority          : false
  description              : 
  mpCount                  : 10
  replicaNum               : 
  size                     : 120 G
  volType                  : 0
  followerRead             : false
  readOnlyWhenFull         : false
  zoneName                 : 
  cacheRuleKey             : 
  ebsBlkSize               : 8388608 byte
  cacheThreshold           : 10485760 byte
  TransactionMask          : 
  TransactionTimeout       : 1 min
  TxConflictRetryNum       : 0
  TxConflictRetryInterval  : 0 ms

Confirm (yes/no)[yes]: yes
Create volume success.

Expand dp to 500：

curl -v "http://10.196.59.198:17010/dataPartition/create?count=32&name=test-vol"