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[Fix] Increase the inbound queue capacity (that leads into the memory pool) #3124

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merged 6 commits into from Mar 12, 2024
Merged

[Fix] Increase the inbound queue capacity (that leads into the memory pool) #3124

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ac9983f
Update the mempool capacity
raychu86 Feb 23, 2024
e99ad64
Tune values
raychu86 Feb 27, 2024
3d83823
Use a percentage for deployment verification
raychu86 Feb 27, 2024
8dac9cc
Merge branch 'mainnet' into increase-cache-size
raychu86 Mar 4, 2024
3b7269e
Adjust capacities
raychu86 Mar 4, 2024
12cca35
Increase CAPACITY_FOR_DEPLOYMENTS to 1 << 10
vicsn Mar 12, 2024
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28 changes: 12 additions & 16 deletions node/consensus/src/lib.rs
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Expand Up @@ -53,10 +53,14 @@ use tokio::{
task::JoinHandle,
};

/// Percentage of mempool transactions capacity reserved for deployments.
const CAPACITY_FOR_DEPLOYMENTS: usize = 20;
/// Percentage of mempool transactions capacity reserved for executions.
const CAPACITY_FOR_EXECUTIONS: usize = 80;
/// The capacity of the mempool reserved for deployments.
const CAPACITY_FOR_DEPLOYMENTS: usize = 1 << 5;
/// The capacity of the mempool reserved for executions.
const CAPACITY_FOR_EXECUTIONS: usize = 1 << 10;
/// The capacity of the mempool reserved for solutions.
const CAPACITY_FOR_SOLUTIONS: usize = 1 << 10;
/// The percentage of the transmissions being processed that are deployments.
const DEPLOYMENT_VERIFICATION_RATE: usize = 15;

/// Helper struct to track incoming transactions.
struct TransactionsQueue<N: Network> {
Expand All @@ -67,14 +71,8 @@ struct TransactionsQueue<N: Network> {
impl<N: Network> Default for TransactionsQueue<N> {
fn default() -> Self {
Self {
deployments: LruCache::new(
NonZeroUsize::new(BatchHeader::<N>::MAX_TRANSMISSIONS_PER_BATCH * CAPACITY_FOR_DEPLOYMENTS / 100)
.unwrap(),
),
executions: LruCache::new(
NonZeroUsize::new(BatchHeader::<N>::MAX_TRANSMISSIONS_PER_BATCH * CAPACITY_FOR_EXECUTIONS / 100)
.unwrap(),
),
deployments: LruCache::new(NonZeroUsize::new(CAPACITY_FOR_DEPLOYMENTS).unwrap()),
executions: LruCache::new(NonZeroUsize::new(CAPACITY_FOR_EXECUTIONS).unwrap()),
}
}
}
Expand Down Expand Up @@ -124,9 +122,7 @@ impl<N: Network> Consensus<N> {
ledger,
bft,
primary_sender: Default::default(),
solutions_queue: Arc::new(Mutex::new(LruCache::new(
NonZeroUsize::new(BatchHeader::<N>::MAX_TRANSMISSIONS_PER_BATCH).unwrap(),
))),
solutions_queue: Arc::new(Mutex::new(LruCache::new(NonZeroUsize::new(CAPACITY_FOR_SOLUTIONS).unwrap()))),
transactions_queue: Default::default(),
seen_solutions: Arc::new(Mutex::new(LruCache::new(NonZeroUsize::new(1 << 16).unwrap()))),
seen_transactions: Arc::new(Mutex::new(LruCache::new(NonZeroUsize::new(1 << 16).unwrap()))),
Expand Down Expand Up @@ -305,7 +301,7 @@ impl<N: Network> Consensus<N> {
// Acquire the lock on the transactions queue.
let mut tx_queue = self.transactions_queue.lock();
// Determine the number of deployments to send.
let num_deployments = tx_queue.deployments.len().min(capacity * CAPACITY_FOR_DEPLOYMENTS / 100);
let num_deployments = tx_queue.deployments.len().min(capacity * DEPLOYMENT_VERIFICATION_RATE / 100);
// Determine the number of executions to send.
let num_executions = tx_queue.executions.len().min(capacity.saturating_sub(num_deployments));
// Create an iterator which will select interleaved deployments and executions within the capacity.
Expand Down