foundationdb/fdbserver/workloads/BackupToDBCorrectness.actor...

752 lines
29 KiB
C++

/*
* BackupToDBCorrectness.actor.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "fdbrpc/simulator.h"
#include "fdbclient/BackupAgent.actor.h"
#include "fdbclient/ClusterConnectionMemoryRecord.h"
#include "fdbserver/workloads/workloads.actor.h"
#include "fdbserver/workloads/BulkSetup.actor.h"
#include "flow/actorcompiler.h" // This must be the last #include.
// A workload which test the correctness of backup and restore process. The
// database must be idle after the restore completes, and this workload checks
// that the restore range does not change post restore.
struct BackupToDBCorrectnessWorkload : TestWorkload {
double backupAfter, abortAndRestartAfter, restoreAfter;
double backupStartAt, restoreStartAfterBackupFinished, stopDifferentialAfter;
Key backupTag, restoreTag;
Key backupPrefix, extraPrefix;
bool beforePrefix;
int backupRangesCount, backupRangeLengthMax;
bool differentialBackup, performRestore, agentRequest;
Standalone<VectorRef<KeyRangeRef>> backupRanges;
static int drAgentRequests;
Database extraDB;
LockDB locked{ false };
bool shareLogRange;
UID destUid;
BackupToDBCorrectnessWorkload(WorkloadContext const& wcx) : TestWorkload(wcx) {
locked.set(sharedRandomNumber % 2);
backupAfter = getOption(options, LiteralStringRef("backupAfter"), 10.0);
restoreAfter = getOption(options, LiteralStringRef("restoreAfter"), 35.0);
performRestore = getOption(options, LiteralStringRef("performRestore"), true);
backupTag = getOption(options, LiteralStringRef("backupTag"), BackupAgentBase::getDefaultTag());
restoreTag = getOption(options, LiteralStringRef("restoreTag"), LiteralStringRef("restore"));
backupPrefix = getOption(options, LiteralStringRef("backupPrefix"), StringRef());
backupRangesCount = getOption(options,
LiteralStringRef("backupRangesCount"),
5); // tests can hangs if set higher than 1 + BACKUP_MAP_KEY_LOWER_LIMIT
backupRangeLengthMax = getOption(options, LiteralStringRef("backupRangeLengthMax"), 1);
abortAndRestartAfter =
getOption(options,
LiteralStringRef("abortAndRestartAfter"),
(!locked && deterministicRandom()->random01() < 0.5)
? deterministicRandom()->random01() * (restoreAfter - backupAfter) + backupAfter
: 0.0);
differentialBackup = getOption(
options, LiteralStringRef("differentialBackup"), deterministicRandom()->random01() < 0.5 ? true : false);
stopDifferentialAfter =
getOption(options,
LiteralStringRef("stopDifferentialAfter"),
differentialBackup ? deterministicRandom()->random01() *
(restoreAfter - std::max(abortAndRestartAfter, backupAfter)) +
std::max(abortAndRestartAfter, backupAfter)
: 0.0);
agentRequest = getOption(options, LiteralStringRef("simDrAgents"), true);
shareLogRange = getOption(options, LiteralStringRef("shareLogRange"), false);
// Use sharedRandomNumber if shareLogRange is true so that we can ensure backup and DR both backup the same
// range
beforePrefix = shareLogRange ? (sharedRandomNumber & 1) : (deterministicRandom()->random01() < 0.5);
if (beforePrefix) {
extraPrefix = backupPrefix.withPrefix(LiteralStringRef("\xfe\xff\xfe"));
backupPrefix = backupPrefix.withPrefix(LiteralStringRef("\xfe\xff\xff"));
} else {
extraPrefix = backupPrefix.withPrefix(LiteralStringRef("\x00\x00\x01"));
backupPrefix = backupPrefix.withPrefix(LiteralStringRef("\x00\x00\00"));
}
ASSERT(backupPrefix != StringRef());
KeyRef beginRange;
KeyRef endRange;
UID randomID = nondeterministicRandom()->randomUniqueID();
if (shareLogRange) {
if (beforePrefix)
backupRanges.push_back_deep(backupRanges.arena(),
KeyRangeRef(normalKeys.begin, LiteralStringRef("\xfe\xff\xfe")));
else
backupRanges.push_back_deep(backupRanges.arena(),
KeyRangeRef(strinc(LiteralStringRef("\x00\x00\x01")), normalKeys.end));
} else if (backupRangesCount <= 0) {
if (beforePrefix)
backupRanges.push_back_deep(backupRanges.arena(),
KeyRangeRef(normalKeys.begin, std::min(backupPrefix, extraPrefix)));
else
backupRanges.push_back_deep(backupRanges.arena(),
KeyRangeRef(strinc(std::max(backupPrefix, extraPrefix)), normalKeys.end));
} else {
// Add backup ranges
for (int rangeLoop = 0; rangeLoop < backupRangesCount; rangeLoop++) {
// Get a random range of a random sizes
beginRange = KeyRef(backupRanges.arena(),
deterministicRandom()->randomAlphaNumeric(
deterministicRandom()->randomInt(1, backupRangeLengthMax + 1)));
endRange = KeyRef(backupRanges.arena(),
deterministicRandom()->randomAlphaNumeric(
deterministicRandom()->randomInt(1, backupRangeLengthMax + 1)));
// Add the range to the array
backupRanges.push_back_deep(backupRanges.arena(),
(beginRange < endRange) ? KeyRangeRef(beginRange, endRange)
: KeyRangeRef(endRange, beginRange));
// Track the added range
TraceEvent("BackupCorrectness_Range", randomID)
.detail("RangeBegin", (beginRange < endRange) ? printable(beginRange) : printable(endRange))
.detail("RangeEnd", (beginRange < endRange) ? printable(endRange) : printable(beginRange));
}
}
auto extraFile = makeReference<ClusterConnectionMemoryRecord>(*g_simulator.extraDB);
extraDB = Database::createDatabase(extraFile, -1);
TraceEvent("BARW_Start").detail("Locked", locked);
}
std::string description() const override { return "BackupToDBCorrectness"; }
Future<Void> setup(Database const& cx) override { return Void(); }
Future<Void> start(Database const& cx) override {
if (clientId != 0)
return Void();
return _start(cx, this);
}
Future<bool> check(Database const& cx) override { return true; }
void getMetrics(std::vector<PerfMetric>& m) override {}
// Reads a series of key ranges and returns each range.
ACTOR static Future<std::vector<RangeResult>> readRanges(Database cx,
Standalone<VectorRef<KeyRangeRef>> ranges,
StringRef removePrefix) {
loop {
state Transaction tr(cx);
try {
state std::vector<Future<RangeResult>> results;
for (auto& range : ranges) {
results.push_back(tr.getRange(range.removePrefix(removePrefix), 1000));
}
wait(waitForAll(results));
std::vector<RangeResult> ret;
for (auto result : results) {
ret.push_back(result.get());
}
return ret;
} catch (Error& e) {
wait(tr.onError(e));
}
}
}
ACTOR static Future<Void> diffRanges(Standalone<VectorRef<KeyRangeRef>> ranges,
StringRef backupPrefix,
Database src,
Database dest) {
state int rangeIndex;
for (rangeIndex = 0; rangeIndex < ranges.size(); ++rangeIndex) {
state KeyRangeRef range = ranges[rangeIndex];
state Key begin = range.begin;
loop {
state Transaction tr(src);
state Transaction tr2(dest);
try {
loop {
state Future<RangeResult> srcFuture = tr.getRange(KeyRangeRef(begin, range.end), 1000);
state Future<RangeResult> bkpFuture =
tr2.getRange(KeyRangeRef(begin, range.end).withPrefix(backupPrefix), 1000);
wait(success(srcFuture) && success(bkpFuture));
auto src = srcFuture.get().begin();
auto bkp = bkpFuture.get().begin();
while (src != srcFuture.get().end() && bkp != bkpFuture.get().end()) {
KeyRef bkpKey = bkp->key.substr(backupPrefix.size());
if (src->key != bkpKey && src->value != bkp->value) {
TraceEvent(SevError, "MismatchKeyAndValue")
.detail("SrcKey", printable(src->key))
.detail("SrcVal", printable(src->value))
.detail("BkpKey", printable(bkpKey))
.detail("BkpVal", printable(bkp->value));
} else if (src->key != bkpKey) {
TraceEvent(SevError, "MismatchKey")
.detail("SrcKey", printable(src->key))
.detail("SrcVal", printable(src->value))
.detail("BkpKey", printable(bkpKey))
.detail("BkpVal", printable(bkp->value));
} else if (src->value != bkp->value) {
TraceEvent(SevError, "MismatchValue")
.detail("SrcKey", printable(src->key))
.detail("SrcVal", printable(src->value))
.detail("BkpKey", printable(bkpKey))
.detail("BkpVal", printable(bkp->value));
}
begin = std::min(src->key, bkpKey);
if (src->key == bkpKey) {
++src;
++bkp;
} else if (src->key < bkpKey) {
++src;
} else {
++bkp;
}
}
while (src != srcFuture.get().end() && !bkpFuture.get().more) {
TraceEvent(SevError, "MissingBkpKey")
.detail("SrcKey", printable(src->key))
.detail("SrcVal", printable(src->value));
begin = src->key;
++src;
}
while (bkp != bkpFuture.get().end() && !srcFuture.get().more) {
TraceEvent(SevError, "MissingSrcKey")
.detail("BkpKey", printable(bkp->key.substr(backupPrefix.size())))
.detail("BkpVal", printable(bkp->value));
begin = bkp->key;
++bkp;
}
if (!srcFuture.get().more && !bkpFuture.get().more) {
break;
}
begin = keyAfter(begin);
}
break;
} catch (Error& e) {
wait(tr.onError(e));
}
}
}
return Void();
}
ACTOR static Future<Void> doBackup(BackupToDBCorrectnessWorkload* self,
double startDelay,
DatabaseBackupAgent* backupAgent,
Database cx,
Key tag,
Standalone<VectorRef<KeyRangeRef>> backupRanges,
double stopDifferentialDelay,
Promise<Void> submitted) {
state UID randomID = nondeterministicRandom()->randomUniqueID();
state Future<Void> stopDifferentialFuture = delay(stopDifferentialDelay);
wait(delay(startDelay));
if (startDelay || BUGGIFY) {
TraceEvent("BARW_DoBackupAbortBackup1", randomID)
.detail("Tag", printable(tag))
.detail("StartDelay", startDelay);
try {
wait(backupAgent->abortBackup(cx, tag));
} catch (Error& e) {
TraceEvent("BARW_DoBackupAbortBackupException", randomID).error(e).detail("Tag", printable(tag));
if (e.code() != error_code_backup_unneeded)
throw;
}
wait(backupAgent->unlockBackup(cx, tag));
}
// In prior versions of submitBackup, we have seen a rare bug where
// submitBackup results in a commit_unknown_result, causing the backup
// to retry when in fact it had successfully completed. On the retry,
// the range being backed up into was checked to make sure it was
// empty, and this check was failing because the backup had succeeded
// the first time. The old solution for this was to clear the backup
// range in the same transaction as the backup, but now we have
// switched to passing a "pre-backup action" to either verify the range
// being backed up into is empty, or clearing it first.
TraceEvent("BARW_DoBackupClearAndSubmitBackup", randomID)
.detail("Tag", printable(tag))
.detail("StopWhenDone", stopDifferentialDelay ? "False" : "True");
try {
try {
wait(backupAgent->submitBackup(cx,
tag,
backupRanges,
StopWhenDone{ !stopDifferentialDelay },
self->backupPrefix,
StringRef(),
LockDB{ self->locked },
DatabaseBackupAgent::PreBackupAction::CLEAR));
} catch (Error& e) {
TraceEvent("BARW_SubmitBackup1Exception", randomID).error(e);
if (e.code() != error_code_backup_unneeded && e.code() != error_code_backup_duplicate) {
throw;
}
}
} catch (Error& e) {
TraceEvent("BARW_DoBackupSubmitBackupException", randomID).error(e).detail("Tag", printable(tag));
if (e.code() != error_code_backup_unneeded && e.code() != error_code_backup_duplicate) {
throw e;
}
}
submitted.send(Void());
state UID logUid = wait(backupAgent->getLogUid(cx, tag));
// Stop the differential backup, if enabled
if (stopDifferentialDelay) {
TEST(!stopDifferentialFuture.isReady()); // Restore starts at specified time - stopDifferential not ready
wait(stopDifferentialFuture);
TraceEvent("BARW_DoBackupWaitToDiscontinue", randomID)
.detail("Tag", printable(tag))
.detail("DifferentialAfter", stopDifferentialDelay);
state bool aborted = false;
try {
if (BUGGIFY) {
TraceEvent("BARW_DoBackupWaitForRestorable", randomID).detail("Tag", printable(tag));
// Wait until the backup is in a restorable state
state EBackupState resultWait = wait(backupAgent->waitBackup(cx, tag, StopWhenDone::False));
TraceEvent("BARW_LastBackupFolder", randomID)
.detail("BackupTag", printable(tag))
.detail("LogUid", logUid)
.detail("WaitStatus", resultWait);
// Abort the backup, if not the first backup because the second backup may have aborted the backup
// by now
if (startDelay) {
TraceEvent("BARW_DoBackupAbortBackup2", randomID)
.detail("Tag", printable(tag))
.detail("WaitStatus", resultWait);
aborted = true;
wait(backupAgent->abortBackup(cx, tag));
} else {
TraceEvent("BARW_DoBackupDiscontinueBackup", randomID)
.detail("Tag", printable(tag))
.detail("DifferentialAfter", stopDifferentialDelay);
wait(backupAgent->discontinueBackup(cx, tag));
}
}
else {
TraceEvent("BARW_DoBackupDiscontinueBackup", randomID)
.detail("Tag", printable(tag))
.detail("DifferentialAfter", stopDifferentialDelay);
wait(backupAgent->discontinueBackup(cx, tag));
}
} catch (Error& e) {
TraceEvent("BARW_DoBackupDiscontinueBackupException", randomID).error(e).detail("Tag", printable(tag));
if (e.code() != error_code_backup_unneeded && e.code() != error_code_backup_duplicate)
throw;
}
if (aborted) {
wait(backupAgent->unlockBackup(cx, tag));
}
}
// Wait for the backup to complete
TraceEvent("BARW_DoBackupWaitBackup", randomID).detail("Tag", printable(tag));
UID _destUid = wait(backupAgent->getDestUid(cx, logUid));
self->destUid = _destUid;
state EBackupState statusValue = wait(backupAgent->waitBackup(cx, tag, StopWhenDone::True));
wait(backupAgent->unlockBackup(cx, tag));
state std::string statusText;
std::string _statusText = wait(backupAgent->getStatus(cx, 5, tag));
statusText = _statusText;
// Can we validate anything about status?
TraceEvent("BARW_DoBackupComplete", randomID)
.detail("Tag", printable(tag))
.detail("Status", statusText)
.detail("StatusValue", statusValue);
return Void();
}
ACTOR static Future<Void> checkData(Database cx,
UID logUid,
UID destUid,
UID randomID,
Key tag,
DatabaseBackupAgent* backupAgent,
bool shareLogRange) {
state Key backupAgentKey = uidPrefixKey(logRangesRange.begin, logUid);
state Key backupLogValuesKey = uidPrefixKey(backupLogKeys.begin, destUid);
state Key backupLatestVersionsPath = uidPrefixKey(backupLatestVersionsPrefix, destUid);
state Key backupLatestVersionsKey = uidPrefixKey(backupLatestVersionsPath, logUid);
state int displaySystemKeys = 0;
// Ensure that there is no left over key within the backup subspace
loop {
state Reference<ReadYourWritesTransaction> tr(new ReadYourWritesTransaction(cx));
TraceEvent("BARW_CheckLeftoverKeys", randomID).detail("BackupTag", printable(tag));
try {
tr->setOption(FDBTransactionOptions::ACCESS_SYSTEM_KEYS);
tr->setOption(FDBTransactionOptions::LOCK_AWARE);
// Check the left over tasks
// We have to wait for the list to empty since an abort and get status
// can leave extra tasks in the queue
TraceEvent("BARW_CheckLeftoverTasks", randomID).detail("BackupTag", printable(tag));
state int64_t taskCount = wait(backupAgent->getTaskCount(tr));
state int waitCycles = 0;
if ((taskCount) && false) {
TraceEvent("BARW_EndingNonzeroTaskCount", randomID)
.detail("BackupTag", printable(tag))
.detail("TaskCount", taskCount)
.detail("WaitCycles", waitCycles);
printf("EndingNonZeroTasks: %ld\n", (long)taskCount);
wait(TaskBucket::debugPrintRange(cx, LiteralStringRef("\xff"), StringRef()));
}
loop {
waitCycles++;
TraceEvent("BARW_NonzeroTaskWait", randomID)
.detail("BackupTag", printable(tag))
.detail("TaskCount", taskCount)
.detail("WaitCycles", waitCycles);
printf("%.6f %-10s Wait #%4d for %lld tasks to end\n",
now(),
randomID.toString().c_str(),
waitCycles,
(long long)taskCount);
wait(delay(5.0));
tr = makeReference<ReadYourWritesTransaction>(cx);
int64_t _taskCount = wait(backupAgent->getTaskCount(tr));
taskCount = _taskCount;
if (!taskCount) {
break;
}
}
if (taskCount) {
displaySystemKeys++;
TraceEvent(SevError, "BARW_NonzeroTaskCount", randomID)
.detail("BackupTag", printable(tag))
.detail("TaskCount", taskCount)
.detail("WaitCycles", waitCycles);
printf("BackupCorrectnessLeftoverLogTasks: %ld\n", (long)taskCount);
}
RangeResult agentValues =
wait(tr->getRange(KeyRange(KeyRangeRef(backupAgentKey, strinc(backupAgentKey))), 100));
// Error if the system keyspace for the backup tag is not empty
if (agentValues.size() > 0) {
displaySystemKeys++;
printf("BackupCorrectnessLeftoverMutationKeys: (%d) %s\n",
agentValues.size(),
printable(backupAgentKey).c_str());
TraceEvent(SevError, "BackupCorrectnessLeftoverMutationKeys", randomID)
.detail("BackupTag", printable(tag))
.detail("LeftoverKeys", agentValues.size())
.detail("KeySpace", printable(backupAgentKey));
for (auto& s : agentValues) {
TraceEvent("BARW_LeftoverKey", randomID)
.detail("Key", printable(StringRef(s.key.toString())))
.detail("Value", printable(StringRef(s.value.toString())));
printf(" Key: %-50s Value: %s\n",
printable(StringRef(s.key.toString())).c_str(),
printable(StringRef(s.value.toString())).c_str());
}
} else {
printf("No left over backup agent configuration keys\n");
}
Optional<Value> latestVersion = wait(tr->get(backupLatestVersionsKey));
if (latestVersion.present()) {
TraceEvent(SevError, "BackupCorrectnessLeftoverVersionKey", randomID)
.detail("BackupTag", printable(tag))
.detail("Key", backupLatestVersionsKey.printable())
.detail("Value", BinaryReader::fromStringRef<Version>(latestVersion.get(), Unversioned()));
} else {
printf("No left over backup version key\n");
}
RangeResult versions = wait(
tr->getRange(KeyRange(KeyRangeRef(backupLatestVersionsPath, strinc(backupLatestVersionsPath))), 1));
if (!shareLogRange || !versions.size()) {
RangeResult logValues =
wait(tr->getRange(KeyRange(KeyRangeRef(backupLogValuesKey, strinc(backupLogValuesKey))), 100));
// Error if the log/mutation keyspace for the backup tag is not empty
if (logValues.size() > 0) {
displaySystemKeys++;
printf("BackupCorrectnessLeftoverLogKeys: (%d) %s\n",
logValues.size(),
printable(backupLogValuesKey).c_str());
TraceEvent(SevError, "BackupCorrectnessLeftoverLogKeys", randomID)
.detail("BackupTag", printable(tag))
.detail("LeftoverKeys", logValues.size())
.detail("KeySpace", printable(backupLogValuesKey))
.detail("Version", decodeBKMutationLogKey(logValues[0].key).first);
for (auto& s : logValues) {
TraceEvent("BARW_LeftoverKey", randomID)
.detail("Key", printable(StringRef(s.key.toString())))
.detail("Value", printable(StringRef(s.value.toString())));
printf(" Key: %-50s Value: %s\n",
printable(StringRef(s.key.toString())).c_str(),
printable(StringRef(s.value.toString())).c_str());
}
} else {
printf("No left over backup log keys\n");
}
}
break;
} catch (Error& e) {
TraceEvent("BARW_CheckException", randomID).error(e);
wait(tr->onError(e));
}
}
if (displaySystemKeys) {
wait(TaskBucket::debugPrintRange(cx, LiteralStringRef("\xff"), StringRef()));
}
return Void();
}
ACTOR static Future<Void> _start(Database cx, BackupToDBCorrectnessWorkload* self) {
state DatabaseBackupAgent backupAgent(cx);
state DatabaseBackupAgent restoreTool(self->extraDB);
state Future<Void> extraBackup;
state bool extraTasks = false;
TraceEvent("BARW_Arguments")
.detail("BackupTag", printable(self->backupTag))
.detail("BackupAfter", self->backupAfter)
.detail("AbortAndRestartAfter", self->abortAndRestartAfter)
.detail("DifferentialAfter", self->stopDifferentialAfter);
state UID randomID = nondeterministicRandom()->randomUniqueID();
// Increment the backup agent requets
if (self->agentRequest) {
BackupToDBCorrectnessWorkload::drAgentRequests++;
}
try {
state Future<Void> startRestore = delay(self->restoreAfter);
// backup
wait(delay(self->backupAfter));
TraceEvent("BARW_DoBackup1", randomID).detail("Tag", printable(self->backupTag));
state Promise<Void> submitted;
state Future<Void> b = doBackup(self,
0,
&backupAgent,
self->extraDB,
self->backupTag,
self->backupRanges,
self->stopDifferentialAfter,
submitted);
if (self->abortAndRestartAfter) {
TraceEvent("BARW_DoBackup2", randomID)
.detail("Tag", printable(self->backupTag))
.detail("AbortWait", self->abortAndRestartAfter);
wait(submitted.getFuture());
b = b && doBackup(self,
self->abortAndRestartAfter,
&backupAgent,
self->extraDB,
self->backupTag,
self->backupRanges,
self->stopDifferentialAfter,
Promise<Void>());
}
TraceEvent("BARW_DoBackupWait", randomID)
.detail("BackupTag", printable(self->backupTag))
.detail("AbortAndRestartAfter", self->abortAndRestartAfter);
wait(b);
TraceEvent("BARW_DoBackupDone", randomID)
.detail("BackupTag", printable(self->backupTag))
.detail("AbortAndRestartAfter", self->abortAndRestartAfter);
state UID logUid = wait(backupAgent.getLogUid(self->extraDB, self->backupTag));
// Occasionally start yet another backup that might still be running when we restore
if (!self->locked && BUGGIFY) {
TraceEvent("BARW_SubmitBackup2", randomID).detail("Tag", printable(self->backupTag));
try {
extraBackup = backupAgent.submitBackup(self->extraDB,
self->backupTag,
self->backupRanges,
StopWhenDone::True,
self->extraPrefix,
StringRef(),
self->locked,
DatabaseBackupAgent::PreBackupAction::CLEAR);
} catch (Error& e) {
TraceEvent("BARW_SubmitBackup2Exception", randomID)
.error(e)
.detail("BackupTag", printable(self->backupTag));
if (e.code() != error_code_backup_unneeded && e.code() != error_code_backup_duplicate)
throw;
}
}
TEST(!startRestore.isReady()); // Restore starts at specified time
wait(startRestore);
if (self->performRestore) {
// restore database
TraceEvent("BARW_Restore", randomID)
.detail("RestoreAfter", self->restoreAfter)
.detail("BackupTag", printable(self->restoreTag));
// wait(diffRanges(self->backupRanges, self->backupPrefix, cx, self->extraDB));
state Standalone<VectorRef<KeyRangeRef>> restoreRange;
for (auto r : self->backupRanges) {
restoreRange.push_back_deep(
restoreRange.arena(),
KeyRangeRef(r.begin.withPrefix(self->backupPrefix), r.end.withPrefix(self->backupPrefix)));
}
try {
wait(restoreTool.submitBackup(cx,
self->restoreTag,
restoreRange,
StopWhenDone::True,
StringRef(),
self->backupPrefix,
self->locked,
DatabaseBackupAgent::PreBackupAction::CLEAR));
} catch (Error& e) {
TraceEvent("BARW_DoBackupSubmitBackupException", randomID)
.error(e)
.detail("Tag", printable(self->restoreTag));
if (e.code() != error_code_backup_unneeded && e.code() != error_code_backup_duplicate)
throw;
}
wait(success(restoreTool.waitBackup(cx, self->restoreTag)));
wait(restoreTool.unlockBackup(cx, self->restoreTag));
// Make sure no more data is written to the restored range
// after the restore completes.
state std::vector<RangeResult> res1 = wait(readRanges(cx, restoreRange, self->backupPrefix));
wait(delay(5));
state std::vector<RangeResult> res2 = wait(readRanges(cx, restoreRange, self->backupPrefix));
ASSERT(res1.size() == res2.size());
for (int i = 0; i < res1.size(); ++i) {
auto range1 = res1.at(i);
auto range2 = res2.at(i);
ASSERT(range1.size() == range2.size());
for (int j = 0; j < range1.size(); ++j) {
ASSERT(range1[j].key == range2[j].key && range1[j].value == range2[j].value);
}
}
}
if (extraBackup.isValid()) {
TraceEvent("BARW_WaitExtraBackup", randomID).detail("BackupTag", printable(self->backupTag));
extraTasks = true;
try {
wait(extraBackup);
} catch (Error& e) {
TraceEvent("BARW_ExtraBackupException", randomID)
.error(e)
.detail("BackupTag", printable(self->backupTag));
if (e.code() != error_code_backup_unneeded && e.code() != error_code_backup_duplicate)
throw;
}
TraceEvent("BARW_AbortBackupExtra", randomID).detail("BackupTag", printable(self->backupTag));
try {
// This abort can race with submitBackup such that destUID may
// not be set yet. Adding "waitForDestUID" flag to avoid the race.
wait(backupAgent.abortBackup(self->extraDB,
self->backupTag,
PartialBackup::False,
AbortOldBackup::False,
DstOnly::False,
WaitForDestUID::True));
} catch (Error& e) {
TraceEvent("BARW_AbortBackupExtraException", randomID).error(e);
if (e.code() != error_code_backup_unneeded)
throw;
}
}
wait(checkData(
self->extraDB, logUid, self->destUid, randomID, self->backupTag, &backupAgent, self->shareLogRange));
if (self->performRestore) {
state UID restoreUid = wait(backupAgent.getLogUid(self->extraDB, self->restoreTag));
wait(checkData(
cx, restoreUid, restoreUid, randomID, self->restoreTag, &restoreTool, self->shareLogRange));
}
TraceEvent("BARW_Complete", randomID).detail("BackupTag", printable(self->backupTag));
// Decrement the backup agent requets
if (self->agentRequest) {
BackupToDBCorrectnessWorkload::drAgentRequests--;
}
// SOMEDAY: Remove after backup agents can exist quiescently
if ((g_simulator.drAgents == ISimulator::BackupAgentType::BackupToDB) &&
(!BackupToDBCorrectnessWorkload::drAgentRequests)) {
g_simulator.drAgents = ISimulator::BackupAgentType::NoBackupAgents;
}
} catch (Error& e) {
TraceEvent(SevError, "BackupAndRestoreCorrectness").error(e);
throw;
}
return Void();
}
};
int BackupToDBCorrectnessWorkload::drAgentRequests = 0;
WorkloadFactory<BackupToDBCorrectnessWorkload> BackupToDBCorrectnessWorkloadFactory("BackupToDBCorrectness");