Tools
Ozone has a set of command line tools that can be used to manage ozone.
All these commands are invoked via the ozone
script.
Daemon commands:
- scm - Storage Container Manager service, via daemon can be started or stopped.
- om - Ozone Manager, via daemon command can be started or stopped.
- datanode - Via daemon command, the HDDS data nodes can be started or stopped.
- s3g - Start the S3 compatible REST gateway
- recon - The Web UI service of Ozone can be started with this command.
- httpfs - Start the HttpFS gateway
Client commands:
- sh - Primary command line interface for ozone to manage volumes/buckets/keys.
- fs - Runs a command on ozone file system (similar to
hdfs dfs
) - version - Prints the version of Ozone and HDDS.
Admin commands:
- admin - Collects admin and developer related commands related to the ozone components.
- insight - Generic tool to display filtered log, metrics or configs to help debuging. See the observability page for more information.
- classpath - Prints the class path needed to get the hadoop jar and the required libraries.
- dtutil - Operations related to delegation tokens
- envvars - Display computed Hadoop environment variables.
- getconf - Reads ozone config values from configuration.
- genconf - Generate minimally required ozone configs and output to ozone-site.xml.
Test tools:
- freon - Runs the ozone load generator.
For more information see the following subpages:
Container Replica Debugger Tool
The tool processes container log files from Ozone datanodes to track state transitions. It provides CLI commands for querying containers based on different attributes.
Container Replica Debugger ToolTesting tools
Ozone contains multiple test tools for load generation, partitioning test or acceptance tests.
Testing tools