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accounts hash calc refactoring (#28164)

This commit is contained in:
Jeff Washington (jwash) 2022-10-01 17:09:50 -07:00 committed by GitHub
parent 7fd8540b49
commit adc4e633a2
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1 changed files with 14 additions and 6 deletions
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20
runtime/src/accounts_db.rs
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@ -6950,8 +6950,7 @@ impl AccountsDb {
.end
.saturating_sub(slots_per_epoch);
let mut file_name = String::default();
if (should_cache_hash_data && eligible_for_caching)
let file_name = if (should_cache_hash_data && eligible_for_caching)
|| config.store_detailed_debug_info_on_failure
{
let mut load_from_cache = true;
@ -6972,10 +6971,12 @@ impl AccountsDb {
load_from_cache = false;
break;
}
let storage_file = sub_storages.first().unwrap().accounts.get_path();
let append_vec = sub_storages.first().unwrap();
// check written_bytes here. This is necessary for tests and removes a potential for false positives.
append_vec.written_bytes().hash(&mut hasher);
let storage_file = append_vec.accounts.get_path();
slot.hash(&mut hasher);
storage_file.hash(&mut hasher);
// check alive_bytes, etc. here?
let amod = std::fs::metadata(storage_file);
if amod.is_err() {
load_from_cache = false;
@ -6998,7 +6999,7 @@ impl AccountsDb {
// we have a hash value for all the storages in this slot
// so, build a file name:
let hash = hasher.finish();
file_name = format!(
let file_name = format!(
"{}.{}.{}.{}.{}",
start, end_exclusive, bin_range.start, bin_range.end, hash
);
@ -7018,6 +7019,9 @@ impl AccountsDb {
scanner.set_accum(retval);
// fall through and load normally - we failed to load
file_name
} else {
String::default()
}
} else {
for (slot, sub_storages) in snapshot_storages.iter_range(start..end_exclusive) {
@ -7025,7 +7029,8 @@ impl AccountsDb {
self.update_old_slot_stats(stats, sub_storages);
}
}
}
String::default()
};
for (slot, sub_storages) in snapshot_storages.iter_range(start..end_exclusive) {
scanner.set_slot(slot);
@ -7188,6 +7193,7 @@ impl AccountsDb {
bank_hash_info.snapshot_hash = hash;
}
/// scan 'storage', return a vec of 'CacheHashDataFile', one per pass
fn scan_snapshot_stores_with_cache(
&self,
cache_hash_data: &CacheHashData,
@ -7340,6 +7346,7 @@ impl AccountsDb {
},
};
// get raw data by scanning
let result = self.scan_snapshot_stores_with_cache(
&cache_hash_data,
storages,
@ -7350,6 +7357,7 @@ impl AccountsDb {
hash.filler_account_suffix.as_ref(),
)?;
// turn raw data into merkel tree hashes and sum of lamports
let (hash, lamports, for_next_pass) = hash.rest_of_hash_calculation(
result,
&mut stats,