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Merge pull request #6635 from sfc-gh-etschannen/fix-txn-recovery 

Do not reply to a txnStateRequest for the final sequence unless we have processes the txnStateStore
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Jingyu Zhou 2022-03-21 13:13:44 -07:00 committed by GitHub
parent fd81ef99c0 6be992cc39
commit 44bce12216
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 1 deletions
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8
fdbserver/CommitProxyServer.actor.cpp
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@ -1955,6 +1955,8 @@ struct TransactionStateResolveContext {
// Pointer to transaction state store, shortcut for commitData.txnStateStore
IKeyValueStore* pTxnStateStore = nullptr;
Future<Void> txnRecovery;
// Actor streams
PromiseStream<Future<Void>>* pActors = nullptr;
@ -2070,6 +2072,9 @@ ACTOR Future<Void> processTransactionStateRequestPart(TransactionStateResolveCon
ASSERT(pContext->pActors != nullptr);
if (pContext->receivedSequences.count(request.sequence)) {
if (pContext->receivedSequences.size() == pContext->maxSequence) {
wait(pContext->txnRecovery);
}
// This part is already received. Still we will re-broadcast it to other CommitProxies
pContext->pActors->send(broadcastTxnRequest(request, SERVER_KNOBS->TXN_STATE_SEND_AMOUNT, true));
wait(yield());
@ -2095,7 +2100,8 @@ ACTOR Future<Void> processTransactionStateRequestPart(TransactionStateResolveCon
if (pContext->receivedSequences.size() == pContext->maxSequence) {
// Received all components of the txnStateRequest
ASSERT(!pContext->processed);
wait(processCompleteTransactionStateRequest(pContext));
pContext->txnRecovery = processCompleteTransactionStateRequest(pContext);
wait(pContext->txnRecovery);
pContext->processed = true;
}