This document introduces the metad configuration file. The default directory is /usr/local/nebula/etc/. If you have customized your Nebula Graph installation directory, your configuration file path is $pwd/nebula/etc/.
- The
*.default file is used for debugging and the default configuration file when starting the services
*.production file is the file used for recommended production, please remove .production suffix during production
Basic Configurations
| Name |
Default Value |
Descriptions |
daemonize |
true |
Run as daemon thread |
pid_file |
"pids/nebula-metad.pid" |
File to hold the process ID. |
Logging Configurations
| Name |
Default Value |
Descriptions |
Dynamic Modification |
log_dir |
logs (i.e. /usr/local/nebula/logs) |
Directory to metad log. It is recommended to put it on a different hard disk from data_path. |
|
minloglevel |
0 |
The corresponding log levels are INFO(DEBUG), WARNING, ERROR and FATAL. Usually specified as 0 in debug, 1 in production. The minloglevel to 4 prints no logs. |
Modified with UPDATE CONFIGS syntax. The modification takes effect immediately. |
v |
0 |
0-4: when minloglevel is set to 0, you can further set the severity level of the debug log. The larger the value, the more detailed the log. |
Modified with UPDATE CONFIGS syntax. The modification takes effect immediately. |
logbufsecs |
0 (in seconds) |
Seconds to buffer the log messages |
Modified with UPDATE CONFIGS syntax. The modification takes effect immediately. |
Networking Configurations
| Name |
Default Value |
Descriptions |
meta_server_addrs |
"127.0.0.1:45500" |
A list of meta server IPs. The format is ip1:port1, ip2:port2, ip3:port3. Configure 3 machines to form a RAFT group in production. |
port |
45500 |
RPC daemon listening port. The external port for the Meta service is 45500. The internal port+1, namely 45501, is used for the multi-replica interactions. |
reuse_port |
true |
Enable Kernel(>3.9) SO_REUSEPORT item |
ws_http_port |
11000 |
HTTP Protocol daemon port. (For internal use) |
ws_h2_port |
11002 |
HTTP/2 Protocol daemon port. (For internal use) |
ws_ip |
"127.0.0.1" |
web service to bind to |
heartbeat_interval_secs |
10 seconds |
The same as the parameter in the nebula-storage.conf file |
NOTE: We recommend you using the actual IP in the meta_server_addrs parameter because sometimes 127.0.0.1 will not be parsed correctly.
Storage Configurations
| Name |
Default Value |
Descriptions |
data_path |
data/meta (i.e. /usr/local/nebula/data/meta/) |
Directory for cluster metadata persistence |