void BackgroundSync::_producerThread(executor::TaskExecutor* taskExecutor) {
const MemberState state = _replCoord->getMemberState();
// we want to pause when the state changes to primary
if (_replCoord->isWaitingForApplierToDrain() || state.primary()) {
if (!isPaused()) {
stop();
}
sleepsecs(1);
return;
}
// TODO(spencer): Use a condition variable to await loading a config.
if (state.startup()) {
// Wait for a config to be loaded
sleepsecs(1);
return;
}
// We need to wait until initial sync has started.
if (_replCoord->getMyLastOptime().isNull()) {
sleepsecs(1);
return;
}
// we want to unpause when we're no longer primary
// start() also loads _lastOpTimeFetched, which we know is set from the "if"
OperationContextImpl txn;
if (isPaused()) {
start(&txn);
}
_produce(&txn, taskExecutor);
}
void BackgroundSync::_runProducer() {
if (getState() == ProducerState::Stopped) {
sleepsecs(1);
return;
}
// TODO(spencer): Use a condition variable to await loading a config.
// TODO(siyuan): Control bgsync with producer state.
if (_replCoord->getMemberState().startup()) {
// Wait for a config to be loaded
sleepsecs(1);
return;
}
invariant(!_replCoord->getMemberState().rollback());
// We need to wait until initial sync has started.
if (_replCoord->getMyLastAppliedOpTime().isNull()) {
sleepsecs(1);
return;
}
// we want to start when we're no longer primary
// start() also loads _lastOpTimeFetched, which we know is set from the "if"
auto opCtx = cc().makeOperationContext();
if (getState() == ProducerState::Starting) {
start(opCtx.get());
}
_produce(opCtx.get());
}
void BackgroundSync::_producerThread() {
const MemberState state = _replCoord->getMemberState();
// we want to pause when the state changes to primary
if (_replCoord->isWaitingForApplierToDrain() || state.primary()) {
if (!isPaused()) {
stop();
}
if (_replCoord->isWaitingForApplierToDrain()) {
// Signal to consumers that we have entered the paused state if the signal isn't already
// in the queue.
const boost::optional<BSONObj> lastObjectPushed = _buffer.lastObjectPushed();
if (!lastObjectPushed || !lastObjectPushed->isEmpty()) {
const BSONObj sentinelDoc;
_buffer.pushEvenIfFull(sentinelDoc);
bufferCountGauge.increment();
bufferSizeGauge.increment(sentinelDoc.objsize());
}
}
sleepsecs(1);
return;
}
// TODO(spencer): Use a condition variable to await loading a config.
if (state.startup()) {
// Wait for a config to be loaded
sleepsecs(1);
return;
}
// We need to wait until initial sync has started.
if (_replCoord->getMyLastOptime().isNull()) {
sleepsecs(1);
return;
}
// we want to unpause when we're no longer primary
// start() also loads _lastOpTimeFetched, which we know is set from the "if"
OperationContextImpl txn;
if (isPaused()) {
start(&txn);
}
_produce(&txn);
}
void BackgroundSync::_runProducer() {
const MemberState state = _replCoord->getMemberState();
// Stop when the state changes to primary.
//
// TODO(siyuan) Drain mode should imply we're the primary. Fix this condition and the one below
// after fixing step-down during drain mode.
if (!_replCoord->isCatchingUp() &&
(_replCoord->isWaitingForApplierToDrain() || state.primary())) {
if (!isStopped()) {
stop();
}
if (_replCoord->isWaitingForApplierToDrain()) {
auto txn = cc().makeOperationContext();
_signalNoNewDataForApplier(txn.get());
}
sleepsecs(1);
return;
}
// TODO(spencer): Use a condition variable to await loading a config.
if (state.startup()) {
// Wait for a config to be loaded
sleepsecs(1);
return;
}
// We need to wait until initial sync has started.
if (_replCoord->getMyLastAppliedOpTime().isNull()) {
sleepsecs(1);
return;
}
// we want to start when we're no longer primary
// start() also loads _lastOpTimeFetched, which we know is set from the "if"
auto txn = cc().makeOperationContext();
if (isStopped()) {
start(txn.get());
}
_produce(txn.get());
}
void BackgroundSync::_producerThread(
ReplicationCoordinatorExternalState* replicationCoordinatorExternalState) {
const MemberState state = _replCoord->getMemberState();
// Stop when the state changes to primary.
if (_replCoord->isWaitingForApplierToDrain() || state.primary()) {
if (!isStopped()) {
stop();
}
if (_replCoord->isWaitingForApplierToDrain()) {
_signalNoNewDataForApplier();
}
sleepsecs(1);
return;
}
// TODO(spencer): Use a condition variable to await loading a config.
if (state.startup()) {
// Wait for a config to be loaded
sleepsecs(1);
return;
}
// We need to wait until initial sync has started.
if (_replCoord->getMyLastAppliedOpTime().isNull()) {
sleepsecs(1);
return;
}
// we want to start when we're no longer primary
// start() also loads _lastOpTimeFetched, which we know is set from the "if"
const ServiceContext::UniqueOperationContext txnPtr = cc().makeOperationContext();
OperationContext& txn = *txnPtr;
if (isStopped()) {
start(&txn);
}
_produce(&txn, replicationCoordinatorExternalState);
}
