ephraimbuddy opened a new pull request, #65029:
URL: https://github.com/apache/airflow/pull/65029
The ti_heartbeat endpoint now attempts a single guarded UPDATE (matching id,
state, hostname, and pid) before falling back to the existing SELECT FOR UPDATE
path. When the task is still running on the expected host this returns
immediately, eliminating the row lock and a round trip for the vast majority of
heartbeat calls.
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