About the dgraph-admin command

You can perform a number of Dgraph administrative operations by running the bdd-admin script with the dgraph-admin command.

This command has the following syntax:

./bdd-admin.sh dgraph-admin <operation [args]> <hostname>

The operations, arguments, and hostnames the dgraph-admin command supports are described below.

Operations

The operation argument specifies the action the script will perform. This argument is required.

Operation	Description
`flush`	Flushes the Dgraph cache.
`merge`	Merges update generations in the index using the specified merge factor.
`stickymerge`	Changes the merge policy and forces an index merge.
`stats`	Returns the Dgraph statistics. This command is only intended for use by Oracle Support.
`statsreset`	Resets the Dgraph statistics.
`logroll`	Forces a query logroll. This reinitializes the MDEX query log and archives the old log file.
`log-enable`	Enables one or more extended logging features.
`log-disable`	Disables one or more extended logging features.
`log-status`	Returns the current settings for extended logging features.
`--help`	Returns the usage information for the `dgraph-admin` command and its operations.

Arguments

Some operations allow you to specify additional arguments, such as a list of logging features to enable. The arguments each operation supports are discussed in the following sections.

Hostnames

The hostname argument specifies the node(s) the script will run on. This argument is required.

Hostname	Description
`--all`	Runs the script on all Dgraph nodes in the cluster.
`<hostname>`	Runs the script on the specified node. The hostname must match one listed in the `DGRAPH_SERVERS` property in the bdd.conf file.

dgraph-admin command help

You can obtain usage information for the dgraph-admin command and its operations by running it with the --help flag:

./bdd-admin.sh dgraph-admin --help

For information on a specific operation, provide the operation's name before the --help flag:

./bdd-admin.sh dgraph-admin <operation> --help