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perf(ecstore): gate quorum-aware GET early stop (#6885)

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* perf(ecstore): add gated two-phase GET metadata reads

Co-Authored-By: heihutu <heihutu@gmail.com>

* fix(ecstore): require data-shard coverage for read plans

Co-Authored-By: heihutu <heihutu@gmail.com>

* perf(ecstore): avoid inline overhead in read plan rollout

Co-Authored-By: heihutu <heihutu@gmail.com>

* perf(ecstore): accept quorum-complete read candidates

Co-Authored-By: heihutu <heihutu@gmail.com>

---------

Co-authored-by: heihutu <heihutu@gmail.com>
This commit is contained in:
houseme
2026-08-30 17:33:35 +08:00
committed by GitHub
parent 4932af080b
commit 07212c4e26
3 changed files with 206 additions and 4 deletions
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crates/ecstore/src/set_disk/read.rs
+17
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@@ -89,6 +89,8 @@ use super::ENV_RUSTFS_GET_METADATA_EARLY_STOP_BOUNDED_FANOUT;
#[cfg(test)]
use super::ENV_RUSTFS_GET_METADATA_EARLY_STOP_ENABLE;
#[cfg(test)]
use super::ENV_RUSTFS_GET_METADATA_TWO_PHASE_READ_PLAN_ENABLE;
#[cfg(test)]
use super::ENV_RUSTFS_GET_METADATA_VERSION_EARLY_STOP_ENABLE;
#[cfg(test)]
use super::ENV_RUSTFS_GET_MULTIPART_READER_SETUP_PREFETCH;
@@ -126,6 +128,8 @@ use super::is_get_metadata_early_stop_bounded_fanout_enabled;
#[cfg(test)]
use super::is_get_metadata_early_stop_enabled;
#[cfg(test)]
use super::is_get_metadata_two_phase_read_plan_enabled;
#[cfg(test)]
use super::is_version_early_stop_enabled;
#[cfg(test)]
use super::load_get_codec_streaming_config;
@@ -4267,6 +4271,19 @@ mod tests {
);
}
#[test]
fn two_phase_read_plan_gate_defaults_off_and_honors_override() {
temp_env::with_var(ENV_RUSTFS_GET_METADATA_TWO_PHASE_READ_PLAN_ENABLE, None::<&str>, || {
assert!(!is_get_metadata_two_phase_read_plan_enabled());
});
temp_env::with_var(ENV_RUSTFS_GET_METADATA_TWO_PHASE_READ_PLAN_ENABLE, Some("true"), || {
assert!(is_get_metadata_two_phase_read_plan_enabled());
});
temp_env::with_var(ENV_RUSTFS_GET_METADATA_TWO_PHASE_READ_PLAN_ENABLE, Some("false"), || {
assert!(!is_get_metadata_two_phase_read_plan_enabled());
});
}
#[test]
fn metadata_early_stop_rejects_healing_and_free_version_requests() {
temp_env::with_vars(