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Command flags
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Command reference
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OpenSearch Benchmark Reference

Command flags

OpenSearch Benchmark uses command line flags to change Benchmark's behavior. Not all flags can be used with each command. To find out which flags are supported by a specific command, enter opensearch-benchmark <command> --h.

All command flags are added to a command using the following syntax:

opensearch-benchmark <command> --<command-flag>

Flags that accept comma-separated values, such --telemetry, can also accept a JSON array. This can be defined by passing a file path ending in .json or inline as a JSON string.

  • Comma-seperated values: opensearch-benchmark ... --test-procedure="ingest-only,search-aggregations"
  • JSON file: opensearch-benchmark ... --workload-params="params.json"
  • JSON inline string: opensearch-benchmark ... --telemetry='["node-stats", "recovery-stats"]'

workload-path

This can be either a directory that contains a workload.json file or a .json file with an arbitrary name that contains a workload specification. --workload-path and --workload-repository as well as --workload are mutually exclusive.

workload-repositor

This defines the repository from which OpenSearch Benchmark loads workloads. --workload-path and --workload-repository as well as --workload are mutually exclusive.

workload-revision

Defines a specific revision from the workload source tree that OpenSearch Benchmark should use.

workload

Defines the workload to use based on the workload's name. You can find a list of preloaded workloads using opensearch-benchmark list workloads. --workload-path and --workload-repository as well as --workload are mutually exclusive.

workload-params

Defines which variables to inject into the workload. Variables injected must be available in the workload. To see which parameters are valid in the official workloads, select the workload from the workloads repository.

test-procedure

Defines the test procedures to use with each workload. You can find a list of test procedures that the workload supports by specifying the workload in the info command, for example, opensearch-benchmark info --workload=<workload_name>. To look up information on a specific test procedure, use the command opensearch-benchmark info --workload=<workload_name> --test-procedure=<test-procedure>.

test-execution-id

Defines a unique ID for the test run.

include-tasks

Defines a comma-separated list of test procedure tasks to run. By default, all tasks listed in a test procedure array are run.

Tests are executed in the order they are defined in test-procedure---not in the order they are defined in the command.

All task filters are case sensitive.

exclude-tasks

Defines a comma-separated list of test procedure tasks not to run.

baseline

The baseline TestExecution ID used to compare the contender TestExecution.

contender

The TestExecution ID for the contender being compared to the baseline.

results-format

Defines the output format for the command line results, either markdown or csv. Default is markdown.

results-number-align

Defines the column number alignment for when the compare command outputs results. Default is right.

results-file

When provided a file path, writes the compare results to the file indicated in the path.

show-in-results

Determines whether or not to include the comparison in the results file.

provision-config-repository

Defines the repository from which OpenSearch Benchmark loads provision-configs and provision-config-instances.

provision-config-revision

Defines the specific Git revision in the provision-config that OpenSearch Benchmark should use.

provision-config-path

Defines the path to the --provision-config-instance and any OpenSearch plugin configurations to use.

distribution-version

Downloads the specified OpenSearch distribution based on version number. For a list of released OpenSearch versions, see Version history.

distribution-repository

Defines the repository from which the OpenSearch distribution should be downloaded. Default is release.

provision-config-instance

Defines the --provision-config-instance to use. You can view possible configuration instances by using the command opensearch-benchmark list provision-config-instances.

provision-config-instance-params

A comma-separated list of key-value pairs injected verbatim as variables for the provision-config-instance.

target-hosts

Defines a comma-separated list of host-port pairs that should be targeted if using the pipeline benchmark-only. Default is localhost:9200.

target-os

The target operating system (OS) for which the OpenSearch artifact should be downloaded. Default is the current OS.

target-arch

The name of the CPU architecture for which an artifact should be downloaded.

revision

Defines the current source code revision to use for running a benchmark test. Default is current.

This command flag can use the following options:

  • current: Uses the source tree's current revision based on your OpenSearch distribution.
  • latest: Fetches the latest revision from the main branch of the source tree.

You can also use a timestamp or commit ID from the source tree. When using a timestamp, specify @ts, where "ts" is a valid ISO 8601 timestamp, for example, @2013-07-27T10:37:00Z.

opensearch-plugins

Defines which OpenSearch plugins to install. By default, no plugins are installed.

plugin-params

Defines a comma-separated list of key-value pairs that are injected verbatim into all plugins as variables.

runtime-jdk

The major version of JDK to use.

client-options

Defines a comma-separated list of clients to use. All options are passed to the OpenSearch Python client. Default is timeout:60.

load-worker-coordinator-hosts

Defines a comma-separated list of hosts that coordinate loads. Default is localhost.

enable-worker-coordinator-profiling

Enables a performance analysis of OpenSearch Benchmark's worker coordinator. Default is false.

pipeline

The --pipeline option selects a pipeline to run. You can find a list of pipelines supported by OpenSearch Benchmark by running opensearch-benchmark list pipelines.

telemetry

Enables the provided telemetry devices when the devices are provided using a comma-separated list. You can find a list of possible telemetry devices by using opensearch-benchmark list telemetry.

telemetry-params

Enables setting parameters for telemetry devices. Accepts a list of comma-separated key-value pairs, each of which are delimited by a colon or a JSON file name.

on-error

Controls how OpenSearch Benchmark responds to errors. Default is continue.

You can use the following options with this command flag:

  • continue: Continues to run the test despite the error.
  • abort: Aborts the test when an error occurs.

preserve-install

Keeps the Benchmark candidate and its index. Default is false.

kill-running-processes

When set to true, stops any OpenSearch Benchmark processes currently running and allows Benchmark to continue to run. Default is false.

chart-spec-path

Sets the path to the JSON files containing chart specifications that can be used to generate charts.

chart-type

Generates the indicated chart type, either time-series or bar. Default is time-series.

output-path

The name and path used for the chart's output. Default is stdout.

limit

Limits the number of search results for recent test runs. Default is 10.

latency-percentiles

Specifies a comma-separated list of latency percentiles to report after the workload runs. Accepts ints or floats with values between 0 and 100 inclusive. Does not accept min, median, mean, or max. Default is 50,90,99,99.9,99.99,100.

throughput-percentiles

Specifies a list of throughput percentiles to report after the workload runs, in addition to min/median/mean/max which is always displayed. Like --latency-percentiles, the setting accepts ints or floats with values between 0 and 100 inclusive. Does not accept min, median, mean, or max. Default is None.

randomization-enabled

Enables randomization of values in range queries, where the values are drawn from standard value functions registered with register_standard_value_source in the workload's workload.py file.

A standard value function is a no-argument function that generates a random pair of values for a certain field, in a dict with keys "gte", "lte", and optionally "format".

If this argument is True but a search operation does not have a registered standard value function, OpenSearch Benchmark raises a SystemSetupError.

Default is False.

randomization-repeat-frequency

Sets what fraction of randomized query values can be repeated. Takes values between 0.0 and 1.0. Default is 0.3. This setting does not work when --randomization-enabled is not used.

randomization-n

Sets how many distinct repeatable pair values are generated for each operation when randomization is used. Default is 5000. This setting does not work when --randomization-enabled is not used.