FlashNode Configuration

Configuration Description

Configuration Item	Type	Description	Required	Default Value
role	string	The role of the process, the value can only be flashnode	Yes
listen	string	Port number on which the TCP service listens	Yes
prof	string	Golang pprof port number	No
logDir	string	Directory for storing log files	Yes
logLevel	string	Log level	No	error
masterAddr	string slice	Address of the master service	Yes
disableTmpfs	bool	Use disk instead of tmpfs mount. The default value is false, indicating tmpfs is enabled by default.	No	false
memTotal	int	Memory size allocated for caching data when using memory mode	Yes
cachePercent	float	Specifies the percentage of system memory used for caching when in memory mode, and the percentage of disk space used when in disk mode	No	1.0
readRps	int	The RPS (Requests Per Second) value of FlashNode, used for rate limiting on the FlashNode.	Yes
diskDataPath	string slice	In disk mode, this field indicates the disk path and the corresponding cache capacity allocated on that disk.	Yes
zoneName	string	FlashNodes can be organized and managed by zone, and the command-line interface (CLI) provides support for deleting nodes based on their zone.	Yes
lruCapacity	int	Set the maximum number of entries (keys) that the LRU cache can hold	No	400000

Configuration Example

{
    "role": "flashnode",
    "listen": "18510",
    "prof": "18511",
    "logDir": "./logs",
    "masterAddr": [
        "xxx",
        "xxx",
        "xxx"
    ],
    "memTotal": 0,
    "cachePercent": 0.8,
    "readRps": 100000,
    "disableTmpfs": true,
    "diskDataPath": [
      "/path/data1:0",
      "/path/data2:0"
      ],
    "zoneName":"default"
}

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LcNode Configuration Erasure Code Basic Configuration