23.2 23.1 22.3 22.2 22.1 21.11

rpk redpanda tune

Sets the OS parameters to tune system performance.

Available tuners:

  • all

  • net

  • cpu

  • clocksource

  • transparent_hugepages

  • disk_scheduler

  • disk_nomerges

  • disk_write_cache

  • fstrim

  • ballast_file

  • disk_irq

  • aio_events

  • swappiness

  • coredump

To learn more about a tuner, run rpk redpanda tune help |tuner name|.

Usage

rpk redpanda tune <list of elements to tune> [command] [flags]

Flags

Value Type Description

--config

string

Redpanda config file, if not set the file will be searched for in the default locations.

-r, --dirs

strings

List of data directories or places to store data, for example: /var/vectorized/redpanda/, usually your XFS filesystem on an NVMe SSD device.

-d, --disks

strings

Lists of devices to tune for example 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

If set tuners will generate tuning file that can later be used to tune the system.

--reboot-allowed

-

If set will allow tuners to tune boot parameters and request system reboot.

--timeout

duration

The maximum time to wait for the tune processes to complete. The value passed is a sequence of decimal numbers, each with optional fraction and a unit suffix, such as 300ms, 1.5s or\{" "} 2h45m. Valid time units are ns, us (or µs), ms, ` s , `m, h (default 10s)

-v, --verbose

-

Enable verbose logging (default false).