StatusWith<WriteConcernOptions> ChunkMoveWriteConcernOptions::getEffectiveWriteConcern(
OperationContext* opCtx, const MigrationSecondaryThrottleOptions& options) {
auto secondaryThrottle = options.getSecondaryThrottle();
if (secondaryThrottle == MigrationSecondaryThrottleOptions::kDefault) {
if (opCtx->getServiceContext()->getStorageEngine()->supportsDocLocking()) {
secondaryThrottle = MigrationSecondaryThrottleOptions::kOff;
} else {
secondaryThrottle = MigrationSecondaryThrottleOptions::kOn;
}
}
if (secondaryThrottle == MigrationSecondaryThrottleOptions::kOff) {
return kWriteConcernLocal;
}
WriteConcernOptions writeConcern;
if (options.isWriteConcernSpecified()) {
writeConcern = options.getWriteConcern();
repl::ReplicationCoordinator* replCoordinator = repl::ReplicationCoordinator::get(opCtx);
Status status = replCoordinator->checkIfWriteConcernCanBeSatisfied(writeConcern);
if (!status.isOK() && status != ErrorCodes::NoReplicationEnabled) {
return status;
}
} else {
writeConcern = getDefaultWriteConcernForMigration(opCtx);
}
if (writeConcern.shouldWaitForOtherNodes() &&
writeConcern.wTimeout == WriteConcernOptions::kNoTimeout) {
// Don't allow no timeout
writeConcern.wTimeout = durationCount<Milliseconds>(kDefaultWriteTimeoutForMigration);
}
return writeConcern;
}
StatusWith<WriteConcernOptions> ChunkMoveWriteConcernOptions::getEffectiveWriteConcern(
const MigrationSecondaryThrottleOptions& options) {
if (options.getSecondaryThrottle() == MigrationSecondaryThrottleOptions::kOff) {
return kWriteConcernLocal;
}
WriteConcernOptions writeConcern;
if (options.isWriteConcernSpecified()) {
writeConcern = options.getWriteConcern();
repl::ReplicationCoordinator* replCoordinator = repl::getGlobalReplicationCoordinator();
if (replCoordinator->getReplicationMode() ==
repl::ReplicationCoordinator::modeMasterSlave &&
writeConcern.shouldWaitForOtherNodes()) {
warning() << "moveChunk cannot check if secondary throttle setting "
<< writeConcern.toBSON()
<< " can be enforced in a master slave configuration";
}
Status status = replCoordinator->checkIfWriteConcernCanBeSatisfied(writeConcern);
if (!status.isOK() && status != ErrorCodes::NoReplicationEnabled) {
return status;
}
} else {
writeConcern = getDefaultWriteConcernForMigration();
}
if (writeConcern.shouldWaitForOtherNodes() &&
writeConcern.wTimeout == WriteConcernOptions::kNoTimeout) {
// Don't allow no timeout
writeConcern.wTimeout = durationCount<Milliseconds>(kDefaultWriteTimeoutForMigration);
}
return writeConcern;
}
