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feat(get): add limited opt-in rollout gates (#3963)

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* feat(bench): harden cooled get ab harness

* feat(get): add limited opt-in rollout gates

* fix(get): tighten rollout gate fallbacks
This commit is contained in:
houseme
2026-06-27 23:13:02 +08:00
committed by GitHub
parent 66ad138505
commit bf03ff2869
5 changed files with 544 additions and 71 deletions
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crates/io-metrics/src/lib.rs
+17
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@@ -597,6 +597,21 @@ pub fn record_get_object_codec_streaming_fallback(reason: &'static str) {
counter!("rustfs_io_get_object_codec_streaming_fallback_total", "reason" => reason).increment(1);
}
/// Record the final codec-streaming rollout decision for a GET request.
#[inline(always)]
pub fn record_get_object_codec_streaming_decision(outcome: &'static str, object_class: &'static str, reason: &'static str) {
if !get_stage_metrics_enabled() {
return;
}
counter!(
"rustfs_io_get_object_codec_streaming_decision_total",
"outcome" => outcome,
"object_class" => object_class,
"reason" => reason
)
.increment(1);
}
/// Record one decoded reader stripe processed by a GetObject read path.
#[inline(always)]
pub fn record_get_object_reader_stripe(path: &'static str) {
@@ -1568,6 +1583,8 @@ mod tests {
record_get_object_stage_duration("s3_handler", "request_context", 0.001);
record_get_object_reader_path("codec_streaming");
record_get_object_codec_streaming_fallback("range");
record_get_object_codec_streaming_decision("fallback", "range", "range");
record_get_object_codec_streaming_decision("use", "plain_single_part", "none");
record_get_object_reader_stripe("codec_streaming");
record_get_object_reader_bytes("codec_streaming", 1024);
record_get_object_reader_buffer("codec_streaming", "output", 1024);