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move hash calculation out of acct bg svc (#23689)

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* move hash calculation out of acct bg svc

* pr feedback
This commit is contained in:
Jeff Washington (jwash)
2022-04-08 10:42:03 -05:00
committed by GitHub
parent cb1507126f
commit 210f6a6fab
6 changed files with 82 additions and 66 deletions
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90
core/src/accounts_hash_verifier.rs
View File

@ -96,7 +96,7 @@ impl AccountsHashVerifier {
fault_injection_rate_slots: u64,
snapshot_config: Option<&SnapshotConfig>,
) {
Self::verify_accounts_package_hash(&accounts_package);
let accounts_hash = Self::calculate_and_verify_accounts_hash(&accounts_package);
Self::push_accounts_hashes_to_cluster(
&accounts_package,
@ -106,55 +106,63 @@ impl AccountsHashVerifier {
hashes,
exit,
fault_injection_rate_slots,
accounts_hash,
);
Self::submit_for_packaging(accounts_package, pending_snapshot_package, snapshot_config);
Self::submit_for_packaging(
accounts_package,
pending_snapshot_package,
snapshot_config,
accounts_hash,
);
}
fn verify_accounts_package_hash(accounts_package: &AccountsPackage) {
/// returns calculated accounts hash
fn calculate_and_verify_accounts_hash(accounts_package: &AccountsPackage) -> Hash {
let mut measure_hash = Measure::start("hash");
let mut sort_time = Measure::start("sort_storages");
let sorted_storages = SortedStorages::new(&accounts_package.snapshot_storages);
sort_time.stop();
let mut timings = HashStats {
storage_sort_us: sort_time.as_us(),
..HashStats::default()
};
timings.calc_storage_size_quartiles(&accounts_package.snapshot_storages);
let (accounts_hash, lamports) = accounts_package
.accounts
.accounts_db
.calculate_accounts_hash_without_index(
&CalcAccountsHashConfig {
use_bg_thread_pool: true,
check_hash: false,
ancestors: None,
use_write_cache: false,
epoch_schedule: &accounts_package.epoch_schedule,
rent_collector: &accounts_package.rent_collector,
},
&sorted_storages,
timings,
)
.unwrap();
assert_eq!(accounts_package.expected_capitalization, lamports);
if let Some(expected_hash) = accounts_package.accounts_hash_for_testing {
let mut sort_time = Measure::start("sort_storages");
let sorted_storages = SortedStorages::new(&accounts_package.snapshot_storages);
sort_time.stop();
let mut timings = HashStats {
storage_sort_us: sort_time.as_us(),
..HashStats::default()
};
timings.calc_storage_size_quartiles(&accounts_package.snapshot_storages);
let (hash, lamports) = accounts_package
.accounts
.accounts_db
.calculate_accounts_hash_without_index(
&CalcAccountsHashConfig {
use_bg_thread_pool: true,
check_hash: false,
ancestors: None,
use_write_cache: false,
epoch_schedule: &accounts_package.epoch_schedule,
rent_collector: &accounts_package.rent_collector,
},
&sorted_storages,
timings,
)
.unwrap();
assert_eq!(accounts_package.expected_capitalization, lamports);
assert_eq!(expected_hash, hash);
assert_eq!(expected_hash, accounts_hash);
};
measure_hash.stop();
solana_runtime::serde_snapshot::reserialize_bank_with_new_accounts_hash(
accounts_package.snapshot_links.path(),
accounts_package.slot,
&accounts_package.accounts_hash,
&accounts_hash,
);
datapoint_info!(
"accounts_hash_verifier",
("calculate_hash", measure_hash.as_us(), i64),
);
accounts_hash
}
fn push_accounts_hashes_to_cluster(
@ -165,8 +173,8 @@ impl AccountsHashVerifier {
hashes: &mut Vec<(Slot, Hash)>,
exit: &Arc<AtomicBool>,
fault_injection_rate_slots: u64,
accounts_hash: Hash,
) {
let hash = accounts_package.accounts_hash;
if fault_injection_rate_slots != 0
&& accounts_package.slot % fault_injection_rate_slots == 0
{
@ -177,10 +185,10 @@ impl AccountsHashVerifier {
};
warn!("inserting fault at slot: {}", accounts_package.slot);
let rand = thread_rng().gen_range(0, 10);
let hash = extend_and_hash(&hash, &[rand]);
let hash = extend_and_hash(&accounts_hash, &[rand]);
hashes.push((accounts_package.slot, hash));
} else {
hashes.push((accounts_package.slot, hash));
hashes.push((accounts_package.slot, accounts_hash));
}
while hashes.len() > MAX_SNAPSHOT_HASHES {
@ -204,6 +212,7 @@ impl AccountsHashVerifier {
accounts_package: AccountsPackage,
pending_snapshot_package: Option<&PendingSnapshotPackage>,
snapshot_config: Option<&SnapshotConfig>,
accounts_hash: Hash,
) {
if accounts_package.snapshot_type.is_none()
|| pending_snapshot_package.is_none()
@ -212,7 +221,7 @@ impl AccountsHashVerifier {
return;
};
let snapshot_package = SnapshotPackage::from(accounts_package);
let snapshot_package = SnapshotPackage::new(accounts_package, accounts_hash);
let pending_snapshot_package = pending_snapshot_package.unwrap();
let _snapshot_config = snapshot_config.unwrap();
@ -301,6 +310,7 @@ mod tests {
sysvar::epoch_schedule::EpochSchedule,
},
solana_streamer::socket::SocketAddrSpace,
std::str::FromStr,
};
fn new_test_cluster_info(contact_info: ContactInfo) -> ClusterInfo {
@ -364,6 +374,7 @@ mod tests {
..SnapshotConfig::default()
};
let accounts = Arc::new(solana_runtime::accounts::Accounts::default_for_tests());
let expected_hash = Hash::from_str("GKot5hBsd81kMupNCXHaqbhv3huEbxAFMLnpcX2hniwn").unwrap();
for i in 0..MAX_SNAPSHOT_HASHES + 1 {
let accounts_package = AccountsPackage {
slot: full_snapshot_archive_interval_slots + i as u64,
@ -371,7 +382,6 @@ mod tests {
slot_deltas: vec![],
snapshot_links: TempDir::new().unwrap(),
snapshot_storages: vec![],
accounts_hash: hash(&[i as u8]),
archive_format: ArchiveFormat::TarBzip2,
snapshot_version: SnapshotVersion::default(),
snapshot_archives_dir: PathBuf::default(),
@ -409,13 +419,13 @@ mod tests {
assert_eq!(cluster_hashes.len(), MAX_SNAPSHOT_HASHES);
assert_eq!(
cluster_hashes[0],
(full_snapshot_archive_interval_slots + 1, hash(&[1]))
(full_snapshot_archive_interval_slots + 1, expected_hash)
);
assert_eq!(
cluster_hashes[MAX_SNAPSHOT_HASHES - 1],
(
full_snapshot_archive_interval_slots + MAX_SNAPSHOT_HASHES as u64,
hash(&[MAX_SNAPSHOT_HASHES as u8])
expected_hash
)
);
}

10
core/tests/snapshots.rs
View File

@ -288,7 +288,8 @@ mod tests {
accounts_package.slot,
&last_bank.get_accounts_hash(),
);
let snapshot_package = SnapshotPackage::from(accounts_package);
let snapshot_package =
SnapshotPackage::new(accounts_package, last_bank.get_accounts_hash());
snapshot_utils::archive_snapshot_package(
&snapshot_package,
snapshot_config.maximum_full_snapshot_archives_to_retain,
@ -391,7 +392,6 @@ mod tests {
let tx = system_transaction::transfer(mint_keypair, &key1, 1, genesis_config.hash());
assert_eq!(bank.process_transaction(&tx), Ok(()));
bank.squash();
let accounts_hash = bank.update_accounts_hash();
let pending_accounts_package = {
if slot == saved_slot as u64 {
@ -461,7 +461,9 @@ mod tests {
saved_archive_path = Some(snapshot_utils::build_full_snapshot_archive_path(
snapshot_archives_dir,
slot,
&accounts_hash,
// this needs to match the hash value that we reserialize with later. It is complicated, so just use default.
// This hash value is just used to build the file name. Since this is mocked up test code, it is sufficient to pass default here.
&Hash::default(),
ArchiveFormat::TarBzip2,
));
}
@ -515,7 +517,7 @@ mod tests {
accounts_package.slot,
&Hash::default(),
);
let snapshot_package = SnapshotPackage::from(accounts_package);
let snapshot_package = SnapshotPackage::new(accounts_package, Hash::default());
pending_snapshot_package
.lock()
.unwrap()

29
runtime/src/accounts_background_service.rs
View File

@ -4,6 +4,7 @@
use {
crate::{
accounts_hash::CalcAccountsHashConfig,
bank::{Bank, BankSlotDelta, DropCallback},
bank_forks::BankForks,
snapshot_config::SnapshotConfig,
@ -109,7 +110,7 @@ impl SnapshotRequestHandler {
let previous_hash = if test_hash_calculation {
// We have to use the index version here.
// We cannot calculate the non-index way because cache has not been flushed and stores don't match reality.
// We cannot calculate the non-index way because cache has not been flushed and stores don't match reality. This comment is out of date and can be re-evaluated.
snapshot_root_bank.update_accounts_hash_with_index_option(true, false, false)
} else {
Hash::default()
@ -144,20 +145,27 @@ impl SnapshotRequestHandler {
}
flush_accounts_cache_time.stop();
let use_index_hash_calculation = false;
let mut hash_time = Measure::start("hash_time");
let this_hash = snapshot_root_bank.update_accounts_hash_with_index_option(
use_index_hash_calculation,
test_hash_calculation,
false,
);
let hash_for_testing = if test_hash_calculation {
let use_index_hash_calculation = false;
let check_hash = false;
let (this_hash, _cap) = snapshot_root_bank.accounts().accounts_db.calculate_accounts_hash_helper(
use_index_hash_calculation,
snapshot_root_bank.slot(),
&CalcAccountsHashConfig {
use_bg_thread_pool: true,
check_hash,
ancestors: None,
use_write_cache: false,
epoch_schedule: snapshot_root_bank.epoch_schedule(),
rent_collector: &snapshot_root_bank.rent_collector(),
},
).unwrap();
assert_eq!(previous_hash, this_hash);
Some(snapshot_root_bank.get_accounts_hash())
Some(this_hash)
} else {
None
};
hash_time.stop();
let mut clean_time = Measure::start("clean_time");
// Don't clean the slot we're snapshotting because it may have zero-lamport
@ -234,7 +242,6 @@ impl SnapshotRequestHandler {
datapoint_info!(
"handle_snapshot_requests-timing",
("hash_time", hash_time.as_us(), i64),
(
"flush_accounts_cache_time",
flush_accounts_cache_time.as_us(),

2
runtime/src/accounts_db.rs
View File

@ -5505,7 +5505,7 @@ impl AccountsDb {
}
}
fn calculate_accounts_hash_helper(
pub(crate) fn calculate_accounts_hash_helper(
&self,
use_index: bool,
slot: Slot,

12
runtime/src/snapshot_package.rs
View File

@ -37,7 +37,6 @@ pub struct AccountsPackage {
pub slot_deltas: Vec<BankSlotDelta>,
pub snapshot_links: TempDir,
pub snapshot_storages: SnapshotStorages,
pub accounts_hash: Hash, // temporarily here while we still have to calculate hash before serializing bank
pub archive_format: ArchiveFormat,
pub snapshot_version: SnapshotVersion,
pub snapshot_archives_dir: PathBuf,
@ -104,7 +103,6 @@ impl AccountsPackage {
slot_deltas,
snapshot_links,
snapshot_storages,
accounts_hash: bank.get_accounts_hash(),
archive_format,
snapshot_version,
snapshot_archives_dir: snapshot_archives_dir.as_ref().to_path_buf(),
@ -129,8 +127,8 @@ pub struct SnapshotPackage {
pub snapshot_type: SnapshotType,
}
impl From<AccountsPackage> for SnapshotPackage {
fn from(accounts_package: AccountsPackage) -> Self {
impl SnapshotPackage {
pub fn new(accounts_package: AccountsPackage, accounts_hash: Hash) -> Self {
assert!(
accounts_package.snapshot_type.is_some(),
"Cannot make a SnapshotPackage from an AccountsPackage when SnapshotType is None!"
@ -141,7 +139,7 @@ impl From<AccountsPackage> for SnapshotPackage {
SnapshotType::FullSnapshot => snapshot_utils::build_full_snapshot_archive_path(
accounts_package.snapshot_archives_dir,
accounts_package.slot,
&accounts_package.accounts_hash,
&accounts_hash,
accounts_package.archive_format,
),
SnapshotType::IncrementalSnapshot(incremental_snapshot_base_slot) => {
@ -161,7 +159,7 @@ impl From<AccountsPackage> for SnapshotPackage {
accounts_package.snapshot_archives_dir,
incremental_snapshot_base_slot,
accounts_package.slot,
&accounts_package.accounts_hash,
&accounts_hash,
accounts_package.archive_format,
)
}
@ -171,7 +169,7 @@ impl From<AccountsPackage> for SnapshotPackage {
snapshot_archive_info: SnapshotArchiveInfo {
path: snapshot_archive_path,
slot: accounts_package.slot,
hash: accounts_package.accounts_hash,
hash: accounts_hash,
archive_format: accounts_package.archive_format,
},
block_height: accounts_package.block_height,

5
runtime/src/snapshot_utils.rs
View File

@ -1924,7 +1924,7 @@ pub fn package_and_archive_full_snapshot(
&bank.get_accounts_hash(),
);
let snapshot_package = SnapshotPackage::from(accounts_package);
let snapshot_package = SnapshotPackage::new(accounts_package, bank.get_accounts_hash());
archive_snapshot_package(
&snapshot_package,
maximum_full_snapshot_archives_to_retain,
@ -1971,7 +1971,7 @@ pub fn package_and_archive_incremental_snapshot(
&bank.get_accounts_hash(),
);
let snapshot_package = SnapshotPackage::from(accounts_package);
let snapshot_package = SnapshotPackage::new(accounts_package, bank.get_accounts_hash());
archive_snapshot_package(
&snapshot_package,
maximum_full_snapshot_archives_to_retain,
@ -3443,7 +3443,6 @@ mod tests {
slot_deltas: Vec::default(),
snapshot_links: TempDir::new().unwrap(),
snapshot_storages: SnapshotStorages::default(),
accounts_hash: Hash::default(),
archive_format: ArchiveFormat::Tar,
snapshot_version: SnapshotVersion::default(),
snapshot_archives_dir: PathBuf::default(),