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FastRestore:LeaderElection:Log election progress

This commit is contained in:
Meng Xu 2020-01-30 18:49:01 -08:00
parent ff92401ed5
commit 8ef56e5cae
2 changed files with 14 additions and 4 deletions
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12
fdbserver/RestoreWorker.actor.cpp
View File

@ -258,12 +258,15 @@ ACTOR Future<Void> monitorleader(Reference<AsyncVar<RestoreWorkerInterface>> lea
state ReadYourWritesTransaction tr(cx);
// state Future<Void> leaderWatch;
state RestoreWorkerInterface leaderInterf;
state int count = 0;
loop {
try {
count++;
tr.reset();
tr.setOption(FDBTransactionOptions::ACCESS_SYSTEM_KEYS);
tr.setOption(FDBTransactionOptions::LOCK_AWARE);
Optional<Value> leaderValue = wait(tr.get(restoreLeaderKey));
TraceEvent(SevDebug, "FastRestoreLeaderElection").detail("Round", count).detail("LeaderExisted", leaderValue.present());
if (leaderValue.present()) {
leaderInterf = BinaryReader::fromStringRef<RestoreWorkerInterface>(leaderValue.get(), IncludeVersion());
// Register my interface as an worker if I am not the leader
@ -322,7 +325,12 @@ ACTOR Future<Void> _restoreWorker(Database cx, LocalityData locality) {
}
ACTOR Future<Void> restoreWorker(Reference<ClusterConnectionFile> ccf, LocalityData locality) {
Database cx = Database::createDatabase(ccf->getFilename(), Database::API_VERSION_LATEST, true, locality);
wait(_restoreWorker(cx, locality));
try {
Database cx = Database::createDatabase(ccf->getFilename(), Database::API_VERSION_LATEST, true, locality);
wait(_restoreWorker(cx, locality));
} catch (Error& e) {
TraceEvent("FastRestoreRestoreWorker").detail("Error", e.what());
}
return Void();
}

6
fdbserver/fdbserver.actor.cpp
View File

@ -1872,6 +1872,9 @@ int main(int argc, char* argv[]) {
}
}
f = stopAfter(restoreWorker(opts.connectionFile, opts.localities));
printf("Fast restore worker exits\n");
g_network->run();
printf("g_network->run() done\n");
} else { // Call fdbd roles in conventional way
ASSERT(opts.connectionFile);
@ -1888,9 +1891,8 @@ int main(int argc, char* argv[]) {
// actors.push_back( recurring( []{}, .001 ) ); // for ASIO latency measurement
f = stopAfter(waitForAll(actors));
g_network->run();
}
g_network->run();
} else if (role == MultiTester) {
f = stopAfter(runTests(opts.connectionFile, TEST_TYPE_FROM_FILE,
opts.testOnServers ? TEST_ON_SERVERS : TEST_ON_TESTERS, opts.minTesterCount,