move max_clean_root deeper in flush cache (#23869)
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c31db81ac4
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@ -4721,21 +4721,8 @@ impl AccountsDb {
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// outdated updates in earlier roots
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let mut num_roots_flushed = 0;
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for &root in cached_roots.iter().rev() {
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let should_flush_f = if let Some(max_clean_root) = max_clean_root {
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if root > max_clean_root {
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// Only if the root is greater than the `max_clean_root` do we
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// have to prevent cleaning, otherwise, just default to `should_flush_f`
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// for any slots <= `max_clean_root`
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None
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} else {
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should_flush_f.as_mut()
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}
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} else {
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should_flush_f.as_mut()
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};
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if self
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.flush_slot_cache_with_clean(&[root], should_flush_f)
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.flush_slot_cache_with_clean(&[root], should_flush_f.as_mut(), max_clean_root)
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.is_some()
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{
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num_roots_flushed += 1;
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@ -4764,6 +4751,7 @@ impl AccountsDb {
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slot: Slot,
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slot_cache: &SlotCache,
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mut should_flush_f: Option<&mut impl FnMut(&Pubkey, &AccountSharedData) -> bool>,
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max_clean_root: Option<Slot>,
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) -> FlushStats {
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let mut num_purged = 0;
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let mut total_size = 0;
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@ -4771,6 +4759,16 @@ impl AccountsDb {
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let iter_items: Vec<_> = slot_cache.iter().collect();
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let mut purged_slot_pubkeys: HashSet<(Slot, Pubkey)> = HashSet::new();
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let mut pubkey_to_slot_set: Vec<(Pubkey, Slot)> = vec![];
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if should_flush_f.is_some() {
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if let Some(max_clean_root) = max_clean_root {
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if slot > max_clean_root {
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// Only if the root is greater than the `max_clean_root` do we
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// have to prevent cleaning, otherwise, just default to `should_flush_f`
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// for any slots <= `max_clean_root`
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should_flush_f = None;
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}
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}
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}
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let (accounts, hashes): (Vec<(&Pubkey, &AccountSharedData)>, Vec<Hash>) = iter_items
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.iter()
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.filter_map(|iter_item| {
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@ -4842,7 +4840,7 @@ impl AccountsDb {
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/// flush all accounts in this slot
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fn flush_slot_cache(&self, slot: Slot) -> Option<FlushStats> {
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self.flush_slot_cache_with_clean(&[slot], None::<&mut fn(&_, &_) -> bool>)
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self.flush_slot_cache_with_clean(&[slot], None::<&mut fn(&_, &_) -> bool>, None)
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}
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/// `should_flush_f` is an optional closure that determines whether a given
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@ -4852,6 +4850,7 @@ impl AccountsDb {
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&self,
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slots: &[Slot],
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should_flush_f: Option<&mut impl FnMut(&Pubkey, &AccountSharedData) -> bool>,
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max_clean_root: Option<Slot>,
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) -> Option<FlushStats> {
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assert_eq!(1, slots.len());
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let slot = slots[0];
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@ -4873,7 +4872,7 @@ impl AccountsDb {
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// still exists in the cache, we know the slot cannot be removed
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// by any other threads past this point. We are now responsible for
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// flushing this slot.
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self.do_flush_slot_cache(slot, &slot_cache, should_flush_f)
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self.do_flush_slot_cache(slot, &slot_cache, should_flush_f, max_clean_root)
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});
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// Nobody else should have been purging this slot, so should not have been removed
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