pub fn parse_post_processor(spec: &str) -> Option<Box<dyn PostProcessor>>Expand description
Parse a post-processor spec like “mean_600” or “firstSample_3600”.
Java’s SummaryStatsPostProcessor enforces intervalSecs >= 1
(CSSTUDIO-2134) — without that floor, mean_0 makes every sample its
own bin (elapsed >= 0 always true) which both misuses the operator
and risks divide-by-zero in any future epoch_secs / interval_secs
path. Reject _0 here so the API surface is consistent.