yb-master
AttentionThis page documents an earlier version. Go to the latest (v2.1)version.
yb-master
, located in the bin directory of Yugabyte home, is the YB-Master binary.
Example
$ ./bin/yb-master \
--master_addresses 172.151.17.v1.0:7100,172.151.17.220:7100,172.151.17.v1.0:7100 \
--fs_data_dirs "/home/centos/disk1,/home/centos/disk2" \
--replication_factor=3 &
Help
Use the —help option to see all the commands supported.
$ ./bin/yb-master --help
Config flags
Flag | Mandatory | Default | Description |
---|---|---|---|
—master_addresses | Y | N/A | Comma-separated list of all the RPC addresses for yb-master consensus-configuration. |
—fs_data_dirs | Y | N/A | Comma-separated list of directories where the yb-master will place all it’s yb-data/master data directory. |
—fs_wal_dirs | N | Same value as —fs_data_dirs | The directory where the yb-master will place its write-ahead logs. May be the same as one of the directories listed in —fs_data_dirs , but not a sub-directory of a data directory. |
—log_dir | N | Same value as —fs_data_dirs | The directory to store yb-master log files. |
—rpc_bind_addresses | N | 0.0.0.0:7100 | Comma-separated list of addresses to bind to for RPC connections. |
—webserver_port | N | 7000 | Monitoring web server port |
—webserver_doc_root | N | The www directory in the YugabyteDB home directory | Monitoring web server home |
—replication_factor | N | 3 | Number of replicas to store for each tablet in the universe. |
—placement_cloud | N | cloud1 | Name of the cloud where this instance is deployed |
—placement_region | N | datacenter1 | Name of the region or datacenter where this instance is deployed |
—placement_zone | N | rack1 | Name of the availability zone or rack where this instance is deployed |
—flagfile | N | N/A | Load flags from the specified file. |
—version | N | N/A | Show version and build info |
Admin UI
The Admin UI for yb-master is available at http://localhost:7000.
Home
Home page of the yb-master that gives a high level overview of the cluster. Note all yb-masters in a cluster show exactly the same information.
Tables
List of tables present in the cluster.
Tablet servers
List of all nodes (aka yb-tservers) present in the cluster.
Debug
List of all utilities available to debug the performance of the cluster.
Default ports reference
The various default ports are listed below.
Service | Type | Port |
---|---|---|
yb-master | rpc | 7100 |
yb-master | admin web server | 7000 |
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