Files
pezkuwi-subxt/substrate/bin/node/cli/benches/transaction_pool.rs
T
Aaro Altonen 80616f6d03 Integrate litep2p into Polkadot SDK (#2944)
[litep2p](https://github.com/altonen/litep2p) is a libp2p-compatible P2P
networking library. It supports all of the features of `rust-libp2p`
that are currently being utilized by Polkadot SDK.

Compared to `rust-libp2p`, `litep2p` has a quite different architecture
which is why the new `litep2p` network backend is only able to use a
little of the existing code in `sc-network`. The design has been mainly
influenced by how we'd wish to structure our networking-related code in
Polkadot SDK: independent higher-levels protocols directly communicating
with the network over links that support bidirectional backpressure. A
good example would be `NotificationHandle`/`RequestResponseHandle`
abstractions which allow, e.g., `SyncingEngine` to directly communicate
with peers to announce/request blocks.

I've tried running `polkadot --network-backend litep2p` with a few
different peer configurations and there is a noticeable reduction in
networking CPU usage. For high load (`--out-peers 200`), networking CPU
usage goes down from ~110% to ~30% (80 pp) and for normal load
(`--out-peers 40`), the usage goes down from ~55% to ~18% (37 pp).

These should not be taken as final numbers because:

a) there are still some low-hanging optimization fruits, such as
enabling [receive window
auto-tuning](https://github.com/libp2p/rust-yamux/pull/176), integrating
`Peerset` more closely with `litep2p` or improving memory usage of the
WebSocket transport
b) fixing bugs/instabilities that incorrectly cause `litep2p` to do less
work will increase the networking CPU usage
c) verification in a more diverse set of tests/conditions is needed

Nevertheless, these numbers should give an early estimate for CPU usage
of the new networking backend.

This PR consists of three separate changes:
* introduce a generic `PeerId` (wrapper around `Multihash`) so that we
don't have use `NetworkService::PeerId` in every part of the code that
uses a `PeerId`
* introduce `NetworkBackend` trait, implement it for the libp2p network
stack and make Polkadot SDK generic over `NetworkBackend`
  * implement `NetworkBackend` for litep2p

The new library should be considered experimental which is why
`rust-libp2p` will remain as the default option for the time being. This
PR currently depends on the master branch of `litep2p` but I'll cut a
new release for the library once all review comments have been
addresses.

---------

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>
Co-authored-by: Dmitry Markin <dmitry@markin.tech>
Co-authored-by: Alexandru Vasile <60601340+lexnv@users.noreply.github.com>
Co-authored-by: Alexandru Vasile <alexandru.vasile@parity.io>
2024-04-08 16:44:13 +00:00

277 lines
7.8 KiB
Rust

// This file is part of Substrate.
// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
use std::time::Duration;
use criterion::{criterion_group, criterion_main, BatchSize, Criterion, Throughput};
use futures::{future, StreamExt};
use kitchensink_runtime::{constants::currency::*, BalancesCall, SudoCall};
use node_cli::service::{create_extrinsic, fetch_nonce, FullClient, TransactionPool};
use node_primitives::AccountId;
use sc_service::{
config::{
BlocksPruning, DatabaseSource, KeystoreConfig, NetworkConfiguration, OffchainWorkerConfig,
PruningMode, RpcBatchRequestConfig, TransactionPoolOptions,
},
BasePath, Configuration, Role,
};
use sc_transaction_pool::PoolLimit;
use sc_transaction_pool_api::{TransactionPool as _, TransactionSource, TransactionStatus};
use sp_core::{crypto::Pair, sr25519};
use sp_keyring::Sr25519Keyring;
use sp_runtime::OpaqueExtrinsic;
use staging_node_cli as node_cli;
use tokio::runtime::Handle;
fn new_node(tokio_handle: Handle) -> node_cli::service::NewFullBase {
let base_path = BasePath::new_temp_dir().expect("Creates base path");
let root = base_path.path().to_path_buf();
let network_config = NetworkConfiguration::new(
Sr25519Keyring::Alice.to_seed(),
"network/test/0.1",
Default::default(),
None,
);
let spec = Box::new(node_cli::chain_spec::development_config());
let config = Configuration {
impl_name: "BenchmarkImpl".into(),
impl_version: "1.0".into(),
role: Role::Authority,
tokio_handle: tokio_handle.clone(),
transaction_pool: TransactionPoolOptions {
ready: PoolLimit { count: 100_000, total_bytes: 100 * 1024 * 1024 },
future: PoolLimit { count: 100_000, total_bytes: 100 * 1024 * 1024 },
reject_future_transactions: false,
ban_time: Duration::from_secs(30 * 60),
},
network: network_config,
keystore: KeystoreConfig::InMemory,
database: DatabaseSource::RocksDb { path: root.join("db"), cache_size: 128 },
trie_cache_maximum_size: Some(64 * 1024 * 1024),
state_pruning: Some(PruningMode::ArchiveAll),
blocks_pruning: BlocksPruning::KeepAll,
chain_spec: spec,
wasm_method: Default::default(),
rpc_addr: None,
rpc_max_connections: Default::default(),
rpc_cors: None,
rpc_methods: Default::default(),
rpc_max_request_size: Default::default(),
rpc_max_response_size: Default::default(),
rpc_id_provider: Default::default(),
rpc_max_subs_per_conn: Default::default(),
rpc_port: 9944,
rpc_message_buffer_capacity: Default::default(),
rpc_batch_config: RpcBatchRequestConfig::Unlimited,
rpc_rate_limit: None,
prometheus_config: None,
telemetry_endpoints: None,
default_heap_pages: None,
offchain_worker: OffchainWorkerConfig { enabled: true, indexing_enabled: false },
force_authoring: false,
disable_grandpa: false,
dev_key_seed: Some(Sr25519Keyring::Alice.to_seed()),
tracing_targets: None,
tracing_receiver: Default::default(),
max_runtime_instances: 8,
runtime_cache_size: 2,
announce_block: true,
data_path: base_path.path().into(),
base_path,
informant_output_format: Default::default(),
wasm_runtime_overrides: None,
};
tokio_handle.block_on(async move {
node_cli::service::new_full_base::<sc_network::NetworkWorker<_, _>>(
config,
None,
false,
|_, _| (),
)
.expect("Creates node")
})
}
fn create_accounts(num: usize) -> Vec<sr25519::Pair> {
(0..num)
.map(|i| {
Pair::from_string(&format!("{}/{}", Sr25519Keyring::Alice.to_seed(), i), None)
.expect("Creates account pair")
})
.collect()
}
/// Create the extrinsics that will initialize the accounts from the sudo account (Alice).
///
/// `start_nonce` is the current nonce of Alice.
fn create_account_extrinsics(
client: &FullClient,
accounts: &[sr25519::Pair],
) -> Vec<OpaqueExtrinsic> {
let start_nonce = fetch_nonce(client, Sr25519Keyring::Alice.pair());
accounts
.iter()
.enumerate()
.flat_map(|(i, a)| {
vec![
// Reset the nonce by removing any funds
create_extrinsic(
client,
Sr25519Keyring::Alice.pair(),
SudoCall::sudo {
call: Box::new(
BalancesCall::force_set_balance {
who: AccountId::from(a.public()).into(),
new_free: 0,
}
.into(),
),
},
Some(start_nonce + (i as u32) * 2),
),
// Give back funds
create_extrinsic(
client,
Sr25519Keyring::Alice.pair(),
SudoCall::sudo {
call: Box::new(
BalancesCall::force_set_balance {
who: AccountId::from(a.public()).into(),
new_free: 1_000_000 * DOLLARS,
}
.into(),
),
},
Some(start_nonce + (i as u32) * 2 + 1),
),
]
})
.map(OpaqueExtrinsic::from)
.collect()
}
fn create_benchmark_extrinsics(
client: &FullClient,
accounts: &[sr25519::Pair],
extrinsics_per_account: usize,
) -> Vec<OpaqueExtrinsic> {
accounts
.iter()
.flat_map(|account| {
(0..extrinsics_per_account).map(move |nonce| {
create_extrinsic(
client,
account.clone(),
BalancesCall::transfer_allow_death {
dest: Sr25519Keyring::Bob.to_account_id().into(),
value: 1 * DOLLARS,
},
Some(nonce as u32),
)
})
})
.map(OpaqueExtrinsic::from)
.collect()
}
async fn submit_tx_and_wait_for_inclusion(
tx_pool: &TransactionPool,
tx: OpaqueExtrinsic,
client: &FullClient,
wait_for_finalized: bool,
) {
let best_hash = client.chain_info().best_hash;
let mut watch = tx_pool
.submit_and_watch(best_hash, TransactionSource::External, tx.clone())
.await
.expect("Submits tx to pool")
.fuse();
loop {
match watch.select_next_some().await {
TransactionStatus::Finalized(_) => break,
TransactionStatus::InBlock(_) if !wait_for_finalized => break,
_ => {},
}
}
}
fn transaction_pool_benchmarks(c: &mut Criterion) {
sp_tracing::try_init_simple();
let runtime = tokio::runtime::Runtime::new().expect("Creates tokio runtime");
let tokio_handle = runtime.handle().clone();
let node = new_node(tokio_handle.clone());
let account_num = 10;
let extrinsics_per_account = 2000;
let accounts = create_accounts(account_num);
let mut group = c.benchmark_group("Transaction pool");
group.sample_size(10);
group.throughput(Throughput::Elements(account_num as u64 * extrinsics_per_account as u64));
let mut counter = 1;
group.bench_function(
format!("{} transfers from {} accounts", account_num * extrinsics_per_account, account_num),
move |b| {
b.iter_batched(
|| {
let prepare_extrinsics = create_account_extrinsics(&node.client, &accounts);
runtime.block_on(future::join_all(prepare_extrinsics.into_iter().map(|tx| {
submit_tx_and_wait_for_inclusion(
&node.transaction_pool,
tx,
&node.client,
true,
)
})));
create_benchmark_extrinsics(&node.client, &accounts, extrinsics_per_account)
},
|extrinsics| {
runtime.block_on(future::join_all(extrinsics.into_iter().map(|tx| {
submit_tx_and_wait_for_inclusion(
&node.transaction_pool,
tx,
&node.client,
false,
)
})));
println!("Finished {}", counter);
counter += 1;
},
BatchSize::SmallInput,
)
},
);
}
criterion_group!(benches, transaction_pool_benchmarks);
criterion_main!(benches);