Master Configuration

Configuration Description

CubeFS uses JSON as the format of the configuration file.

Configuration Item	Type	Description	Required	Default Value
role	string	The role of the process, the value can only be master	Yes
ip	string	Host IP address	Yes
listen	string	Port number on which the HTTP service listens	Yes
prof	string	Golang pprof port number	Yes
id	string	Distinguish different master nodes	Yes
peers	string	Raft replication group member information	Yes
logDir	string	Directory for storing log files	Yes
logLevel	string	Log level	No	error
retainLogs	string	How many Raft logs to keep.	Yes
walDir	string	Directory for storing Raft WAL logs.	Yes
storeDir	string	Directory for storing RocksDB data. This directory must exist. If the directory does not exist, the service cannot be started.	Yes
clusterName	string	Cluster name	Yes
ebsAddr	string	Address of the erasure coding subsystem. This must be configured when using the erasure coding subsystem.	No
exporterPort	int	Port for Prometheus to obtain monitoring data	No
consulAddr	string	Consul registration address, used by Prometheus exporter	No
metaNodeReservedMem	string	Reserved memory size for metadata nodes, in bytes	No	1073741824
heartbeatPort	string	Raft heartbeat communication port	No	5901
replicaPort	string	Raft data transmission port	No	5902
nodeSetCap	string	Capacity of NodeSet	No	18
missingDataPartitionInterval	string	If no heartbeat is received during this time period, the replica is considered lost, in seconds	No	24h
dataPartitionTimeOutSec	string	If no heartbeat is received during this time period, the replica is considered not alive, in seconds	No	10min
numberOfDataPartitionsToLoad	string	Maximum number of data partitions to check at a time	No	40
secondsToFreeDataPartitionAfterLoad	string	After how many seconds to start releasing the memory occupied by the loaded data partition task	No	300
tickInterval	string	Timer interval for checking heartbeat and election timeout, in milliseconds	No	500
electionTick	string	How many times the timer is reset before the election times out	No	5
bindIp	bool	Whether to listen for connections only on the host IP	No	false
faultDomain	bool	Whether to enable fault domain	No	false
faultDomainBuildAsPossible	bool	Whether to still try to build a nodeSetGroup as much as possible if the number of available fault domains is less than the expected number	No	false
faultDomainGrpBatchCnt	string	Number of available fault domains	No	3
dpNoLeaderReportIntervalSec	string	How often to report when data partitions has no leader, unit: s	No	60
mpNoLeaderReportIntervalSec	string	How often to report when meta partitions has no leader, unit: s	No	60
maxQuotaNumPerVol	string	Maximum quota number per volume	No	100
volForceDeletion	bool	the non-empty volume can be deleted directly or not	No	true
volDeletionDentryThreshold	int	if the non-empty volume can't be deleted directly , this param define a threshold , only volumes with a dentry count that is less than or equal to the threshold can be deleted	No	0
enableLogPanicHook	bool	(Experimental) Hook panic function to flush log before executing panic	No	false

Configuration Example

{
 "role": "master",
 "id":"1",
 "ip": "127.0.0.1",
 "listen": "17010",
 "prof":"17020",
 "peers": "1:127.0.0.1:17010,2:127.0.0.2:17010,3:127.0.0.3:17010",
 "retainLogs":"20000",
 "logDir": "/cfs/master/log",
 "logLevel":"info",
 "walDir":"/cfs/master/data/wal",
 "storeDir":"/cfs/master/data/store",
 "exporterPort": 9500,
 "consulAddr": "http://consul.prometheus-cfs.local",
 "clusterName":"cubefs01",
 "metaNodeReservedMem": "1073741824"
}

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Scheduler Management MetaNode Configuration