// call after constructing to start - returns fairly quickly after launching its threads
void ReplSetImpl::_go() {
OperationContextImpl txn;
try {
loadLastOpTimeWritten(&txn);
}
catch (std::exception& e) {
log() << "replSet error fatal couldn't query the local " << rsoplog
<< " collection. Terminating mongod after 30 seconds." << rsLog;
log() << e.what() << rsLog;
sleepsecs(30);
dbexit(EXIT_REPLICATION_ERROR);
return;
}
// initialize _me in SyncSourceFeedback
bool meEnsured = false;
while (!inShutdown() && !meEnsured) {
try {
syncSourceFeedback.ensureMe(&txn);
meEnsured = true;
}
catch (const DBException& e) {
warning() << "failed to write to local.me: " << e.what()
<< " trying again in one second";
sleepsecs(1);
}
}
changeState(MemberState::RS_STARTUP2);
startThreads();
newReplUp(); // oplog.cpp
}
void ReplicationCoordinatorExternalStateImpl::startThreads() {
_backgroundSyncThread.reset(new boost::thread(runSyncThread));
BackgroundSync* bgsync = BackgroundSync::get();
_producerThread.reset(new boost::thread(stdx::bind(&BackgroundSync::producerThread,
bgsync)));
_syncSourceFeedbackThread.reset(new boost::thread(stdx::bind(&SyncSourceFeedback::run,
&_syncSourceFeedback)));
newReplUp();
}
// call after constructing to start - returns fairly quickly after launching its threads
void ReplSetImpl::_go() {
OperationContextImpl txn;
try {
// Note: this sets lastOpTimeWritten, which the Applier uses to determine whether to
// do an initial sync or not.
loadLastOpTimeWritten(&txn);
}
catch (std::exception& e) {
log() << "replSet error fatal couldn't query the local " << rsoplog
<< " collection. Terminating mongod after 30 seconds." << rsLog;
log() << e.what() << rsLog;
sleepsecs(30);
dbexit(EXIT_REPLICATION_ERROR);
return;
}
// initialize _me in SyncSourceFeedback
bool meEnsured = false;
while (!inShutdown() && !meEnsured) {
try {
syncSourceFeedback.ensureMe(&txn);
meEnsured = true;
}
catch (const DBException& e) {
warning() << "failed to write to local.me: " << e.what()
<< " trying again in one second";
sleepsecs(1);
}
}
bool worked = getGlobalReplicationCoordinator()->setFollowerMode(MemberState::RS_STARTUP2);
invariant(worked);
startThreads();
newReplUp(); // oplog.cpp
}