This option controls the number of links contained in a single publish span.
Environment variable
This option is controlled by the OTEL_SPAN_LINK_COUNT_LIMIT environment variable. If the environment variable is unset or unparsable, it uses the user provided value, and then the default of 128.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["This webpage details the `MaxOtelLinkCountOption` for Google Cloud Pub/Sub, with documentation spanning versions from 2.11.0 up to the latest release candidate, 2.37.0-rc."],["The `MaxOtelLinkCountOption` controls the number of links included within a single publish span in OpenTelemetry."],["The maximum number of links per span is limited to 128 by both Cloud Trace and OpenTelemetry's default settings."],["The `OTEL_SPAN_LINK_COUNT_LIMIT` environment variable can be used to configure this option, falling back to the user-provided value or the default of 128 if the environment variable is unavailable or invalid."],["The underlying type used for `MaxOtelLinkCountOption` is `std::size_t`."]]],[]]