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Feature Flags

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Available Feature Flags​

TIMESTAMP_SORT_FEATURE and DURATION_SORT_FEATURE are enabled by default.

  • TIMESTAMP_SORT_FEATURE: When this feature is enabled, then SigNoz creates a materialized view table to optimize sorting spans/traces by timestamp at cost of increasing storage by 40-50% of signoz_index_v2 table.

  • DURATION_SORT_FEATURE: When this feature is enabled, then SigNoz creates a projection over table to optimize sorting spans/traces by duration at cost of increasing storage by 40-50% of signoz_index_v2 table. This also speeds up loading of duration trace filters by upto 90%.

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To toggle features, configs have to be added on both OTel Collector and Query Service

Adding configs to OTel collector​

Features can be enabled or disabled via the arguments to OTel Collector with the --feature-gates flag.

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When using the --feature-gates flag, feature identifiers must be presented as a comma-delimited list. Feature identifiers prefixed with - will disable the feature, and prefixing with + or with no prefix will enable the feature.

To disable both DURATION_SORT_FEATURE and TIMESTAMP_SORT_FEATURE , you need to update the docker-compose.yaml file of SigNoz installation.

Replace this line in your file with below line:

command: ["--config=/etc/otel-collector-config.yaml", "--feature-gates=-DURATION_SORT_FEATURE,-TIMESTAMP_SORT_FEATURE"]

Adding configs to Query Service​

We need to set environment variables to toggle features. Add new environment variables here to enable or disable features:

- DURATION_SORT_FEATURE=false
- TIMESTAMP_SORT_FEATURE=false