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solana
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improve clean stats (#20469)

This commit is contained in:
Jeff Washington (jwash) 2021-10-06 20:04:26 -05:00 committed by GitHub
parent 767f740305
commit df39b37cb8
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 38 additions and 47 deletions
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8
runtime/src/accounts_db.rs
View File

@ -1962,6 +1962,7 @@ impl AccountsDb {
let total_keys_count = pubkeys.len();
let mut accounts_scan = Measure::start("accounts_scan");
let uncleaned_roots_len = self.accounts_index.uncleaned_roots_len();
// parallel scan the index.
let (mut purges_zero_lamports, purges_old_accounts) = {
let do_clean_scan = || {
@ -2161,6 +2162,7 @@ impl AccountsDb {
("delta_key_count", key_timings.delta_key_count, i64),
("dirty_pubkeys_count", key_timings.dirty_pubkeys_count, i64),
("total_keys_count", total_keys_count, i64),
("uncleaned_roots_len", uncleaned_roots_len, i64),
);
}
@ -5856,9 +5858,11 @@ impl AccountsDb {
let mut unrooted_cleaned_count = 0;
let dead_slots: Vec<_> = dead_slots_iter
.map(|slot| {
if let Some(latest) = self.accounts_index.clean_dead_slot(*slot) {
if self
.accounts_index
.clean_dead_slot(*slot, &mut accounts_index_root_stats)
{
rooted_cleaned_count += 1;
accounts_index_root_stats = latest;
} else {
unrooted_cleaned_count += 1;
}

77
runtime/src/accounts_index.rs
View File

@ -1768,47 +1768,35 @@ impl<T: IndexValue> AccountsIndex<T> {
/// Remove the slot when the storage for the slot is freed
/// Accounts no longer reference this slot.
pub fn clean_dead_slot(&self, slot: Slot) -> Option<AccountsIndexRootsStats> {
let (roots_len, uncleaned_roots_len, previous_uncleaned_roots_len, roots_range) = {
let mut w_roots_tracker = self.roots_tracker.write().unwrap();
let removed_from_unclean_roots = w_roots_tracker.uncleaned_roots.remove(&slot);
let removed_from_previous_uncleaned_roots =
w_roots_tracker.previous_uncleaned_roots.remove(&slot);
if !w_roots_tracker.roots.remove(&slot) {
if removed_from_unclean_roots {
error!("clean_dead_slot-removed_from_unclean_roots: {}", slot);
inc_new_counter_error!("clean_dead_slot-removed_from_unclean_roots", 1, 1);
}
if removed_from_previous_uncleaned_roots {
error!(
"clean_dead_slot-removed_from_previous_uncleaned_roots: {}",
slot
);
inc_new_counter_error!(
"clean_dead_slot-removed_from_previous_uncleaned_roots",
1,
1
);
}
return None;
pub fn clean_dead_slot(&self, slot: Slot, stats: &mut AccountsIndexRootsStats) -> bool {
let mut w_roots_tracker = self.roots_tracker.write().unwrap();
let removed_from_unclean_roots = w_roots_tracker.uncleaned_roots.remove(&slot);
let removed_from_previous_uncleaned_roots =
w_roots_tracker.previous_uncleaned_roots.remove(&slot);
if !w_roots_tracker.roots.remove(&slot) {
if removed_from_unclean_roots {
error!("clean_dead_slot-removed_from_unclean_roots: {}", slot);
inc_new_counter_error!("clean_dead_slot-removed_from_unclean_roots", 1, 1);
}
(
w_roots_tracker.roots.len(),
w_roots_tracker.uncleaned_roots.len(),
w_roots_tracker.previous_uncleaned_roots.len(),
w_roots_tracker.roots.range_width(),
)
};
Some(AccountsIndexRootsStats {
roots_len,
uncleaned_roots_len,
previous_uncleaned_roots_len,
roots_range,
rooted_cleaned_count: 0,
unrooted_cleaned_count: 0,
clean_unref_from_storage_us: 0,
clean_dead_slot_us: 0,
})
if removed_from_previous_uncleaned_roots {
error!(
"clean_dead_slot-removed_from_previous_uncleaned_roots: {}",
slot
);
inc_new_counter_error!(
"clean_dead_slot-removed_from_previous_uncleaned_roots",
1,
1
);
}
false
} else {
stats.roots_len = w_roots_tracker.roots.len();
stats.uncleaned_roots_len = w_roots_tracker.uncleaned_roots.len();
stats.previous_uncleaned_roots_len = w_roots_tracker.previous_uncleaned_roots.len();
stats.roots_range = w_roots_tracker.roots.range_width();
true
}
}
pub fn min_root(&self) -> Option<Slot> {
@ -1870,7 +1858,6 @@ impl<T: IndexValue> AccountsIndex<T> {
self.roots_tracker.write().unwrap().roots.clear()
}
#[cfg(test)]
pub fn uncleaned_roots_len(&self) -> usize {
self.roots_tracker.read().unwrap().uncleaned_roots.len()
}
@ -3274,7 +3261,7 @@ pub mod tests {
let index = AccountsIndex::<bool>::default_for_tests();
index.add_root(0, false);
index.add_root(1, false);
index.clean_dead_slot(0);
index.clean_dead_slot(0, &mut AccountsIndexRootsStats::default());
assert!(index.is_root(1));
assert!(!index.is_root(0));
}
@ -3285,7 +3272,7 @@ pub mod tests {
let index = AccountsIndex::<bool>::default_for_tests();
index.add_root(0, false);
index.add_root(1, false);
index.clean_dead_slot(1);
index.clean_dead_slot(1, &mut AccountsIndexRootsStats::default());
assert!(!index.is_root(1));
assert!(index.is_root(0));
}
@ -3334,7 +3321,7 @@ pub mod tests {
.len()
);
index.clean_dead_slot(1);
index.clean_dead_slot(1, &mut AccountsIndexRootsStats::default());
assert_eq!(3, index.roots_tracker.read().unwrap().roots.len());
assert_eq!(2, index.roots_tracker.read().unwrap().uncleaned_roots.len());
assert_eq!(
@ -3347,7 +3334,7 @@ pub mod tests {
.len()
);
index.clean_dead_slot(2);
index.clean_dead_slot(2, &mut AccountsIndexRootsStats::default());
assert_eq!(2, index.roots_tracker.read().unwrap().roots.len());
assert_eq!(1, index.roots_tracker.read().unwrap().uncleaned_roots.len());
assert_eq!(