Docs Self-Managed Reference rpk Commands rpk redpanda rpk redpanda tune This is documentation for Self-Managed v23.2, which is no longer supported. To view the latest available version of the docs, see v24.2. rpk redpanda tune rpk redpanda tune, also referred to as the autotuner, identifies the hardware configuration on your machine and optimizes the Linux kernel to give you the best performance for running Redpanda. Available tuners: all disk_irq disk_scheduler disk_nomerges disk_write_cache fstrim net aio_events swappiness ballast_file cpu clocksource transparent_hugepages coredump To learn more about a tuner, run rpk redpanda tune help |tuner name|. You should run the autotuner as part of the production deployment workflow. Redpanda recommends you first follow a guide for production deployment: Deploy for Production Tune Kubernetes Worker Nodes for Production While you follow the guides, consult this reference for details about the autotuner. Usage rpk redpanda tune <list of elements to tune> [command] [flags] When running rpk redpanda tune, make sure that your current Linux user has root privileges. The autotuner requires privileged access to the Linux kernel settings. To run rpk redpanda tune all on a Redpanda broker automatically after broker or host restarts, configure the service redpanda-tuner, which runs rpk redpanda tune all, to run at boot-up: For RHEL, after installing the rpm package, run systemctl to both start and enable the redpanda-tuner service: sudo systemctl start redpanda-tuner sudo systemctl enable redpanda-tuner For Ubuntu, after installing the apt package, run systemctl to start the redpanda-tuner service (which is already enabled): sudo systemctl start redpanda-tuner Flags Value Type Description --cpu-set string Set of CPUs for tuners to use in cpuset(7) format; if not specified, tuners will use all available CPUs (default "all"). -r, --dirs strings List of data directories or places to store data (e.g. /var/vectorized/redpanda/); usually your XFS file system on an NVMe SSD device. -d, --disks strings Lists of devices to tune f.e. 'sda1'. -h, --help - Help for tune. -m, --mode string Operation Mode: one of: [sq, sq_split, mq]. -n, --nic strings Network Interface Controllers to tune. --output-script string Generate a tuning file that can later be used to tune the system. --reboot-allowed - Allow tuners to tune boot parameters and request system reboot. --timeout duration The maximum time to wait for the tune processes to complete (e.g. 300ms, 1.5s, 2h45m) (default 10s). --config string Redpanda or rpk config file; default search paths are ~/.config/rpk/rpk.yaml, $PWD, and /etc/redpanda/redpanda.yaml. -X, --config-opt stringArray Override rpk configuration settings; '-X help' for detail or '-X list' for terser detail. --profile string rpk profile to use. -v, --verbose - Enable verbose logging. Examples This section provides examples of using the autotuner. To enable a predetermined set of tuners for production, run the rpk redpanda mode prod command. This command modifies settings in the redpanda.yaml configuration file. To list the available tuners and to see whether they’re enabled or supported (and a reason for if they’re unsupported), run the rpk redpanda tune list command. To enable or disable a tuner, run the rpk redpanda config set, as the tuner flags are configurable node properties. Each tuner has a YAML key flag for enabling/disabling itself in redpanda.yaml. Most are formed by prepending rpk.tune_ to the name of the tuner listed by rpk redpanda tune list. See the Tuners reference for the exact key for a tuner. For an example of enabling a tuner, the key for the aio_events tuner is rpk.tune_aio_events, and it can be enabled with the following command: rpk redpanda config set rpk.tune_aio_events true To run all available tuners, use the rpk redpanda tune command for all: rpk redpanda tune all To run a specific tuner, use the rpk redpanda tune command for the tuner: rpk redpanda tune <tuner> To learn more about a tuner, use the rpk redpanda tune help command for the tuner: rpk redpanda tune help <tuner> See also the Tuners reference for descriptions about each tuner. Related topics Deploy for Production Tune Kubernetes Worker Nodes for Production rpk redpanda mode production rpk redpanda tune list Back to top × Simple online edits For simple changes, such as fixing a typo, you can edit the content directly on GitHub. Edit on GitHub Or, open an issue to let us know about something that you want us to change. Open an issue Contribution guide For extensive content updates, or if you prefer to work locally, read our contribution guide . Was this helpful? thumb_up thumb_down group Ask in the community mail Share your feedback group_add Make a contribution rpk redpanda stop rpk redpanda tune list