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Accountsdb plugin write ordering (#20948)

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Use the write_version in the Accounts's meta data so that account write with lower write_version would not overwrite the higher ones.
This commit is contained in:
Lijun Wang
2021-10-25 14:07:56 -07:00
committed by GitHub
parent cf0fd5b2ca
commit bbe3ce3db5
7 changed files with 105 additions and 144 deletions
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13
accountsdb-plugin-manager/src/accounts_update_notifier.rs
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@ -9,12 +9,11 @@ use {
solana_metrics::*,
solana_runtime::{
accounts_update_notifier_interface::AccountsUpdateNotifierInterface,
append_vec::StoredAccountMeta,
append_vec::{StoredAccountMeta, StoredMeta},
},
solana_sdk::{
account::{AccountSharedData, ReadableAccount},
clock::Slot,
pubkey::Pubkey,
},
std::sync::{Arc, RwLock},
};
@ -24,8 +23,8 @@ pub(crate) struct AccountsUpdateNotifierImpl {
}
impl AccountsUpdateNotifierInterface for AccountsUpdateNotifierImpl {
fn notify_account_update(&self, slot: Slot, pubkey: &Pubkey, account: &AccountSharedData) {
if let Some(account_info) = self.accountinfo_from_shared_account_data(pubkey, account) {
fn notify_account_update(&self, slot: Slot, meta: &StoredMeta, account: &AccountSharedData) {
if let Some(account_info) = self.accountinfo_from_shared_account_data(meta, account) {
self.notify_plugins_of_account_update(account_info, slot, false);
}
}
@ -108,16 +107,17 @@ impl AccountsUpdateNotifierImpl {
fn accountinfo_from_shared_account_data<'a>(
&self,
pubkey: &'a Pubkey,
meta: &'a StoredMeta,
account: &'a AccountSharedData,
) -> Option<ReplicaAccountInfo<'a>> {
Some(ReplicaAccountInfo {
pubkey: pubkey.as_ref(),
pubkey: meta.pubkey.as_ref(),
lamports: account.lamports(),
owner: account.owner().as_ref(),
executable: account.executable(),
rent_epoch: account.rent_epoch(),
data: account.data(),
write_version: meta.write_version,
})
}
@ -132,6 +132,7 @@ impl AccountsUpdateNotifierImpl {
executable: stored_account_meta.account_meta.executable,
rent_epoch: stored_account_meta.account_meta.rent_epoch,
data: stored_account_meta.data,
write_version: stored_account_meta.meta.write_version,
})
}