415 lines
14 KiB
Rust
415 lines
14 KiB
Rust
use crate::accounts_index::IndexValue;
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use crate::bucket_map_holder::BucketMapHolder;
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use solana_sdk::timing::AtomicInterval;
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use std::fmt::Debug;
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use std::sync::atomic::{AtomicBool, AtomicU64, AtomicU8, Ordering};
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// stats logged every 10 s
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const STATS_INTERVAL_MS: u64 = 10_000;
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#[derive(Debug, Default)]
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pub struct BucketMapHolderStats {
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pub held_in_mem_slot_list_len: AtomicU64,
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pub held_in_mem_slot_list_cached: AtomicU64,
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pub get_mem_us: AtomicU64,
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pub gets_from_mem: AtomicU64,
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pub get_missing_us: AtomicU64,
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pub gets_missing: AtomicU64,
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pub entry_mem_us: AtomicU64,
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pub entries_from_mem: AtomicU64,
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pub entry_missing_us: AtomicU64,
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pub entries_missing: AtomicU64,
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pub load_disk_found_count: AtomicU64,
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pub load_disk_found_us: AtomicU64,
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pub load_disk_missing_count: AtomicU64,
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pub load_disk_missing_us: AtomicU64,
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pub updates_in_mem: AtomicU64,
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pub items: AtomicU64,
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pub keys: AtomicU64,
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pub deletes: AtomicU64,
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pub inserts: AtomicU64,
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count: AtomicU64,
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pub bg_waiting_us: AtomicU64,
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pub bg_throttling_wait_us: AtomicU64,
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pub count_in_mem: AtomicU64,
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pub per_bucket_count: Vec<AtomicU64>,
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pub flush_entries_updated_on_disk: AtomicU64,
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pub flush_entries_removed_from_mem: AtomicU64,
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pub active_threads: AtomicU64,
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pub get_range_us: AtomicU64,
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last_age: AtomicU8,
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last_ages_flushed: AtomicU64,
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pub flush_scan_update_us: AtomicU64,
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pub flush_remove_us: AtomicU64,
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pub flush_grow_us: AtomicU64,
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last_was_startup: AtomicBool,
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last_time: AtomicInterval,
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bins: u64,
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}
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impl BucketMapHolderStats {
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pub fn new(bins: usize) -> BucketMapHolderStats {
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BucketMapHolderStats {
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bins: bins as u64,
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per_bucket_count: (0..bins)
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.into_iter()
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.map(|_| AtomicU64::default())
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.collect(),
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..BucketMapHolderStats::default()
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}
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}
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pub fn insert_or_delete(&self, insert: bool, _bin: usize) {
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if insert {
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self.inserts.fetch_add(1, Ordering::Relaxed);
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self.count.fetch_add(1, Ordering::Relaxed);
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} else {
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self.deletes.fetch_add(1, Ordering::Relaxed);
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self.count.fetch_sub(1, Ordering::Relaxed);
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}
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}
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pub fn insert_or_delete_mem(&self, insert: bool, bin: usize) {
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self.insert_or_delete_mem_count(insert, bin, 1)
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}
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pub fn insert_or_delete_mem_count(&self, insert: bool, bin: usize, count: u64) {
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let per_bucket = self.per_bucket_count.get(bin);
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if insert {
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self.count_in_mem.fetch_add(count, Ordering::Relaxed);
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per_bucket.map(|stat| stat.fetch_add(count, Ordering::Relaxed));
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} else {
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self.count_in_mem.fetch_sub(count, Ordering::Relaxed);
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per_bucket.map(|stat| stat.fetch_sub(count, Ordering::Relaxed));
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}
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}
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fn ms_per_age<T: IndexValue>(&self, storage: &BucketMapHolder<T>, elapsed_ms: u64) -> u64 {
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let age_now = storage.current_age();
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let ages_flushed = storage.count_ages_flushed() as u64;
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let last_age = self.last_age.swap(age_now, Ordering::Relaxed) as u64;
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let last_ages_flushed = self.last_ages_flushed.swap(ages_flushed, Ordering::Relaxed) as u64;
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let mut age_now = age_now as u64;
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if last_age > age_now {
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// age wrapped
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age_now += u8::MAX as u64 + 1;
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}
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let age_delta = age_now.saturating_sub(last_age) as u64;
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if age_delta > 0 {
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return elapsed_ms / age_delta;
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} else {
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// did not advance an age, but probably did partial work, so report that
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let bin_delta = ages_flushed.saturating_sub(last_ages_flushed);
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if bin_delta > 0 {
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return elapsed_ms * self.bins / bin_delta;
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}
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}
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0 // avoid crazy numbers
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}
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pub fn remaining_until_next_interval(&self) -> u64 {
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self.last_time
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.remaining_until_next_interval(STATS_INTERVAL_MS)
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}
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/// return min, max, sum, median of data
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fn get_stats(mut data: Vec<u64>) -> (u64, u64, u64, u64) {
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if data.is_empty() {
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(0, 0, 0, 0)
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} else {
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data.sort_unstable();
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(
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*data.first().unwrap(),
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*data.last().unwrap(),
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data.iter().sum(),
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data[data.len() / 2],
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)
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}
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}
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fn calc_percent(ms: u64, elapsed_ms: u64) -> f32 {
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if elapsed_ms == 0 {
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0.0
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} else {
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(ms as f32 / elapsed_ms as f32) * 100.0
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}
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}
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pub fn report_stats<T: IndexValue>(&self, storage: &BucketMapHolder<T>) {
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let elapsed_ms = self.last_time.elapsed_ms();
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if elapsed_ms < STATS_INTERVAL_MS {
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return;
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}
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if !self.last_time.should_update(STATS_INTERVAL_MS) {
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return;
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}
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let ms_per_age = self.ms_per_age(storage, elapsed_ms);
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let in_mem_per_bucket_counts = self
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.per_bucket_count
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.iter()
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.map(|count| count.load(Ordering::Relaxed))
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.collect::<Vec<_>>();
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let disk = storage.disk.as_ref();
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let disk_per_bucket_counts = disk
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.map(|disk| {
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disk.stats
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.per_bucket_count
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.iter()
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.map(|count| count.load(Ordering::Relaxed))
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.collect::<Vec<_>>()
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})
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.unwrap_or_default();
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let in_mem_stats = Self::get_stats(in_mem_per_bucket_counts);
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let disk_stats = Self::get_stats(disk_per_bucket_counts);
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const US_PER_MS: u64 = 1_000;
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// all metrics during startup are written to a different data point
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let startup = storage.get_startup();
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let was_startup = self.last_was_startup.swap(startup, Ordering::Relaxed);
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// sum of elapsed time in each thread
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let mut thread_time_elapsed_ms = elapsed_ms * storage.threads as u64;
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datapoint_info!(
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if startup || was_startup {
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thread_time_elapsed_ms *= 2; // more threads are allocated during startup
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"accounts_index_startup"
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} else {
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"accounts_index"
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},
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(
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"count_in_mem",
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self.count_in_mem.load(Ordering::Relaxed),
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i64
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),
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("count", self.count.load(Ordering::Relaxed), i64),
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(
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"bg_waiting_percent",
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Self::calc_percent(
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self.bg_waiting_us.swap(0, Ordering::Relaxed) / US_PER_MS,
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thread_time_elapsed_ms
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),
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f64
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),
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(
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"bg_throttling_wait_percent",
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Self::calc_percent(
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self.bg_throttling_wait_us.swap(0, Ordering::Relaxed) / US_PER_MS,
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thread_time_elapsed_ms
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),
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f64
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),
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(
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"held_in_mem_slot_list_len",
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self.held_in_mem_slot_list_len.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"held_in_mem_slot_list_cached",
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self.held_in_mem_slot_list_cached.swap(0, Ordering::Relaxed),
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i64
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),
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("min_in_bin_mem", in_mem_stats.0, i64),
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("max_in_bin_mem", in_mem_stats.1, i64),
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("count_from_bins_mem", in_mem_stats.2, i64),
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("median_from_bins_mem", in_mem_stats.3, i64),
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("min_in_bin_disk", disk_stats.0, i64),
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("max_in_bin_disk", disk_stats.1, i64),
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("count_from_bins_disk", disk_stats.2, i64),
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("median_from_bins_disk", disk_stats.3, i64),
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(
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"gets_from_mem",
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self.gets_from_mem.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"get_mem_us",
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self.get_mem_us.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"gets_missing",
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self.gets_missing.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"get_missing_us",
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self.get_missing_us.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"entries_from_mem",
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self.entries_from_mem.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"entry_mem_us",
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self.entry_mem_us.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"load_disk_found_count",
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self.load_disk_found_count.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"load_disk_found_us",
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self.load_disk_found_us.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"load_disk_missing_count",
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self.load_disk_missing_count.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"load_disk_missing_us",
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self.load_disk_missing_us.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"entries_missing",
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self.entries_missing.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"entry_missing_us",
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self.entry_missing_us.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"updates_in_mem",
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self.updates_in_mem.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"get_range_us",
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self.get_range_us.swap(0, Ordering::Relaxed),
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i64
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),
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("inserts", self.inserts.swap(0, Ordering::Relaxed), i64),
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("deletes", self.deletes.swap(0, Ordering::Relaxed), i64),
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(
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"active_threads",
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self.active_threads.load(Ordering::Relaxed),
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i64
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),
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("items", self.items.swap(0, Ordering::Relaxed), i64),
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("keys", self.keys.swap(0, Ordering::Relaxed), i64),
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("ms_per_age", ms_per_age, i64),
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(
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"flush_scan_update_us",
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self.flush_scan_update_us.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"flush_grow_us",
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self.flush_remove_us.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"flush_remove_us",
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self.flush_remove_us.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"disk_index_resizes",
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disk.map(|disk| disk.stats.index.resizes.swap(0, Ordering::Relaxed))
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.unwrap_or_default(),
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i64
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),
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(
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"disk_index_max_size",
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disk.map(|disk| {
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let mut lock = disk.stats.index.max_size.lock().unwrap();
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let value = *lock;
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*lock = 0;
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value
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})
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.unwrap_or_default(),
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i64
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),
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(
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"disk_index_new_file_us",
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disk.map(|disk| disk.stats.index.new_file_us.swap(0, Ordering::Relaxed))
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.unwrap_or_default(),
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i64
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),
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(
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"disk_index_resize_us",
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disk.map(|disk| disk.stats.index.resize_us.swap(0, Ordering::Relaxed))
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.unwrap_or_default(),
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i64
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),
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(
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"disk_index_flush_file_us",
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disk.map(|disk| disk.stats.index.flush_file_us.swap(0, Ordering::Relaxed))
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.unwrap_or_default(),
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i64
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),
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(
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"disk_index_flush_mmap_us",
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disk.map(|disk| disk.stats.index.mmap_us.swap(0, Ordering::Relaxed))
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.unwrap_or_default(),
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i64
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),
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(
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"disk_data_resizes",
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disk.map(|disk| disk.stats.data.resizes.swap(0, Ordering::Relaxed))
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.unwrap_or_default(),
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i64
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),
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(
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"disk_data_max_size",
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disk.map(|disk| {
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let mut lock = disk.stats.data.max_size.lock().unwrap();
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let value = *lock;
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*lock = 0;
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value
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})
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.unwrap_or_default(),
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i64
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),
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(
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"disk_data_new_file_us",
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disk.map(|disk| disk.stats.data.new_file_us.swap(0, Ordering::Relaxed))
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.unwrap_or_default(),
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i64
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),
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(
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"disk_data_resize_us",
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disk.map(|disk| disk.stats.data.resize_us.swap(0, Ordering::Relaxed))
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.unwrap_or_default(),
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i64
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),
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(
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"disk_data_flush_file_us",
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disk.map(|disk| disk.stats.data.flush_file_us.swap(0, Ordering::Relaxed))
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.unwrap_or_default(),
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i64
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),
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(
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"disk_data_flush_mmap_us",
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disk.map(|disk| disk.stats.data.mmap_us.swap(0, Ordering::Relaxed))
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.unwrap_or_default(),
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i64
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),
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(
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"flush_entries_updated_on_disk",
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self.flush_entries_updated_on_disk
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.swap(0, Ordering::Relaxed),
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i64
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),
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(
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"flush_entries_removed_from_mem",
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self.flush_entries_removed_from_mem
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.swap(0, Ordering::Relaxed),
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i64
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),
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);
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}
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}
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