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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["\u003cp\u003eThis webpage details the \u003ccode\u003eMaxOtelLinkCountOption\u003c/code\u003e for Google Cloud Pub/Sub, with documentation spanning versions from 2.11.0 up to the latest release candidate, 2.37.0-rc.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eMaxOtelLinkCountOption\u003c/code\u003e controls the number of links included within a single publish span in OpenTelemetry.\u003c/p\u003e\n"],["\u003cp\u003eThe maximum number of links per span is limited to 128 by both Cloud Trace and OpenTelemetry's default settings.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eOTEL_SPAN_LINK_COUNT_LIMIT\u003c/code\u003e 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.\u003c/p\u003e\n"],["\u003cp\u003eThe underlying type used for \u003ccode\u003eMaxOtelLinkCountOption\u003c/code\u003e is \u003ccode\u003estd::size_t\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]
