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Adaptive Buffers + Session Eviction Method

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This commit is contained in:
Alexey
2026-03-18 10:49:02 +03:00
parent 5dd0c47f14
commit 3739f38440
27 changed files with 1479 additions and 50 deletions
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42
src/config/hot_reload.rs
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@@ -56,6 +56,11 @@ pub struct HotFields {
pub hardswap: bool,
pub me_pool_drain_ttl_secs: u64,
pub me_pool_drain_threshold: u64,
pub me_pool_drain_soft_evict_enabled: bool,
pub me_pool_drain_soft_evict_grace_secs: u64,
pub me_pool_drain_soft_evict_per_writer: u8,
pub me_pool_drain_soft_evict_budget_per_core: u16,
pub me_pool_drain_soft_evict_cooldown_ms: u64,
pub me_pool_min_fresh_ratio: f32,
pub me_reinit_drain_timeout_secs: u64,
pub me_hardswap_warmup_delay_min_ms: u64,
@@ -138,6 +143,15 @@ impl HotFields {
hardswap: cfg.general.hardswap,
me_pool_drain_ttl_secs: cfg.general.me_pool_drain_ttl_secs,
me_pool_drain_threshold: cfg.general.me_pool_drain_threshold,
me_pool_drain_soft_evict_enabled: cfg.general.me_pool_drain_soft_evict_enabled,
me_pool_drain_soft_evict_grace_secs: cfg.general.me_pool_drain_soft_evict_grace_secs,
me_pool_drain_soft_evict_per_writer: cfg.general.me_pool_drain_soft_evict_per_writer,
me_pool_drain_soft_evict_budget_per_core: cfg
.general
.me_pool_drain_soft_evict_budget_per_core,
me_pool_drain_soft_evict_cooldown_ms: cfg
.general
.me_pool_drain_soft_evict_cooldown_ms,
me_pool_min_fresh_ratio: cfg.general.me_pool_min_fresh_ratio,
me_reinit_drain_timeout_secs: cfg.general.me_reinit_drain_timeout_secs,
me_hardswap_warmup_delay_min_ms: cfg.general.me_hardswap_warmup_delay_min_ms,
@@ -455,6 +469,15 @@ fn overlay_hot_fields(old: &ProxyConfig, new: &ProxyConfig) -> ProxyConfig {
cfg.general.hardswap = new.general.hardswap;
cfg.general.me_pool_drain_ttl_secs = new.general.me_pool_drain_ttl_secs;
cfg.general.me_pool_drain_threshold = new.general.me_pool_drain_threshold;
cfg.general.me_pool_drain_soft_evict_enabled = new.general.me_pool_drain_soft_evict_enabled;
cfg.general.me_pool_drain_soft_evict_grace_secs =
new.general.me_pool_drain_soft_evict_grace_secs;
cfg.general.me_pool_drain_soft_evict_per_writer =
new.general.me_pool_drain_soft_evict_per_writer;
cfg.general.me_pool_drain_soft_evict_budget_per_core =
new.general.me_pool_drain_soft_evict_budget_per_core;
cfg.general.me_pool_drain_soft_evict_cooldown_ms =
new.general.me_pool_drain_soft_evict_cooldown_ms;
cfg.general.me_pool_min_fresh_ratio = new.general.me_pool_min_fresh_ratio;
cfg.general.me_reinit_drain_timeout_secs = new.general.me_reinit_drain_timeout_secs;
cfg.general.me_hardswap_warmup_delay_min_ms = new.general.me_hardswap_warmup_delay_min_ms;
@@ -835,6 +858,25 @@ fn log_changes(
old_hot.me_pool_drain_threshold, new_hot.me_pool_drain_threshold,
);
}
if old_hot.me_pool_drain_soft_evict_enabled != new_hot.me_pool_drain_soft_evict_enabled
|| old_hot.me_pool_drain_soft_evict_grace_secs
!= new_hot.me_pool_drain_soft_evict_grace_secs
|| old_hot.me_pool_drain_soft_evict_per_writer
!= new_hot.me_pool_drain_soft_evict_per_writer
|| old_hot.me_pool_drain_soft_evict_budget_per_core
!= new_hot.me_pool_drain_soft_evict_budget_per_core
|| old_hot.me_pool_drain_soft_evict_cooldown_ms
!= new_hot.me_pool_drain_soft_evict_cooldown_ms
{
info!(
"config reload: me_pool_drain_soft_evict: enabled={} grace={}s per_writer={} budget_per_core={} cooldown={}ms",
new_hot.me_pool_drain_soft_evict_enabled,
new_hot.me_pool_drain_soft_evict_grace_secs,
new_hot.me_pool_drain_soft_evict_per_writer,
new_hot.me_pool_drain_soft_evict_budget_per_core,
new_hot.me_pool_drain_soft_evict_cooldown_ms
);
}
if (old_hot.me_pool_min_fresh_ratio - new_hot.me_pool_min_fresh_ratio).abs() > f32::EPSILON {
info!(