Previously we used a polling/sleeping loop to wait for checkpoints to begin and end, which leads to up to a couple hundred milliseconds of needless thumb-twiddling. Use condition variables instead. Author: Thomas Munro Reviewed-by: Andres Freund Discussion: https://postgr.es/m/CA%2BhUKGLY7sDe%2Bbg1K%3DbnEzOofGoo4bJHYh9%2BcDCXJepb6DQmLw%40mail.gmail.com |
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