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Revert "Handle interruption for BerkeleyJE backend [tp-tests]"
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This reverts commit cdea0d7.

Signed-off-by: Boxuan Li <liboxuan@connect.hku.hk>
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@li-boxuan
li-boxuan committed Oct 7, 2023
1 parent cdea0d7 commit bef739e
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Showing 10 changed files with 164 additions and 250 deletions.
59 changes: 16 additions & 43 deletions ...rkeleyje/src/main/java/org/janusgraph/diskstorage/berkeleyje/BerkeleyJEKeyValueStore.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,6 @@
import com.sleepycat.je.OperationStatus;
import com.sleepycat.je.Put;
import com.sleepycat.je.ReadOptions;
import com.sleepycat.je.ThreadInterruptedException;
import com.sleepycat.je.Transaction;
import com.sleepycat.je.WriteOptions;
import org.janusgraph.diskstorage.BackendException;
Expand All @@ -49,11 +48,8 @@
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Function;

import static org.janusgraph.diskstorage.berkeleyje.BerkeleyJEStoreManager.convertThreadInterruptedException;

public class BerkeleyJEKeyValueStore implements OrderedKeyValueStore {

private static final Logger log = LoggerFactory.getLogger(BerkeleyJEKeyValueStore.class);
Expand All @@ -64,21 +60,21 @@ public class BerkeleyJEKeyValueStore implements OrderedKeyValueStore {
public static Function<Integer, Integer> ttlConverter = ttl -> (int) Math.max(1, Duration.of(ttl, ChronoUnit.SECONDS).toHours());


private final AtomicReference<Database> db = new AtomicReference<>();
private final Database db;
private final String name;
private final BerkeleyJEStoreManager manager;
private boolean isOpen;

public BerkeleyJEKeyValueStore(String n, Database data, BerkeleyJEStoreManager m) {
db.set(data);
db = data;
name = n;
manager = m;
isOpen = true;
}

public DatabaseConfig getConfiguration() throws BackendException {
try {
return db.get().getConfig();
return db.getConfig();
} catch (DatabaseException e) {
throw new PermanentBackendException(e);
}
Expand All @@ -96,24 +92,18 @@ private static Transaction getTransaction(StoreTransaction txh) {

private Cursor openCursor(StoreTransaction txh) throws BackendException {
Preconditions.checkArgument(txh!=null);
return ((BerkeleyJETx) txh).openCursor(db.get());
return ((BerkeleyJETx) txh).openCursor(db);
}

private static void closeCursor(StoreTransaction txh, Cursor cursor) {
Preconditions.checkArgument(txh!=null);
((BerkeleyJETx) txh).closeCursor(cursor);
}

void reopen(final Database db) {
this.db.set(db);
}

@Override
public synchronized void close() throws BackendException {
try {
if (isOpen) db.get().close();
} catch (ThreadInterruptedException ignored) {
// environment will be closed
if(isOpen) db.close();
} catch (DatabaseException e) {
throw new PermanentBackendException(e);
}
Expand All @@ -130,7 +120,7 @@ public StaticBuffer get(StaticBuffer key, StoreTransaction txh) throws BackendEx

log.trace("db={}, op=get, tx={}", name, txh);

OperationResult result = db.get().get(tx, databaseKey, data, Get.SEARCH, getReadOptions(txh));
OperationResult result = db.get(tx, databaseKey, data, Get.SEARCH, getReadOptions(txh));

if (result != null) {
return getBuffer(data);
Expand Down Expand Up @@ -163,7 +153,6 @@ public RecordIterator<KeyValueEntry> getSlice(KVQuery query, StoreTransaction tx
final DatabaseEntry foundKey = keyStart.as(ENTRY_FACTORY);
final DatabaseEntry foundData = new DatabaseEntry();
final Cursor cursor = openCursor(txh);
final ReadOptions readOptions = getReadOptions(txh);

return new RecordIterator<KeyValueEntry>() {
private OperationStatus status;
Expand Down Expand Up @@ -193,9 +182,9 @@ private KeyValueEntry getNextEntry() {
}
while (!selector.reachedLimit()) {
if (status == null) {
status = get(Get.SEARCH_GTE, readOptions);
status = cursor.get(foundKey, foundData, Get.SEARCH_GTE, getReadOptions(txh)) == null ? OperationStatus.NOTFOUND : OperationStatus.SUCCESS;
} else {
status = get(Get.NEXT, readOptions);
status = cursor.get(foundKey, foundData, Get.NEXT, getReadOptions(txh)) == null ? OperationStatus.NOTFOUND : OperationStatus.SUCCESS;
}
if (status != OperationStatus.SUCCESS) {
break;
Expand All @@ -214,16 +203,6 @@ private KeyValueEntry getNextEntry() {
return null;
}

private OperationStatus get(Get get, ReadOptions readOptions) {
try {
return cursor.get(foundKey, foundData, get, readOptions) == null
? OperationStatus.NOTFOUND
: OperationStatus.SUCCESS;
} catch (ThreadInterruptedException e) {
throw convertThreadInterruptedException(e);
}
}

@Override
public void close() {
closeCursor(txh, cursor);
Expand Down Expand Up @@ -258,17 +237,13 @@ public void insert(StaticBuffer key, StaticBuffer value, StoreTransaction txh, b
int convertedTtl = ttlConverter.apply(ttl);
writeOptions.setTTL(convertedTtl, TimeUnit.HOURS);
}
try {
if (allowOverwrite) {
OperationResult result = db.get().put(tx, key.as(ENTRY_FACTORY), value.as(ENTRY_FACTORY), Put.OVERWRITE, writeOptions);
EnvironmentFailureException.assertState(result != null);
status = OperationStatus.SUCCESS;
} else {
OperationResult result = db.get().put(tx, key.as(ENTRY_FACTORY), value.as(ENTRY_FACTORY), Put.NO_OVERWRITE, writeOptions);
status = result == null ? OperationStatus.KEYEXIST : OperationStatus.SUCCESS;
}
} catch (ThreadInterruptedException e) {
throw convertThreadInterruptedException(e);
if (allowOverwrite) {
OperationResult result = db.put(tx, key.as(ENTRY_FACTORY), value.as(ENTRY_FACTORY), Put.OVERWRITE, writeOptions);
EnvironmentFailureException.assertState(result != null);
status = OperationStatus.SUCCESS;
} else {
OperationResult result = db.put(tx, key.as(ENTRY_FACTORY), value.as(ENTRY_FACTORY), Put.NO_OVERWRITE, writeOptions);
status = result == null ? OperationStatus.KEYEXIST : OperationStatus.SUCCESS;
}

if (status != OperationStatus.SUCCESS) {
Expand All @@ -282,12 +257,10 @@ public void delete(StaticBuffer key, StoreTransaction txh) throws BackendExcepti
Transaction tx = getTransaction(txh);
try {
log.trace("db={}, op=delete, tx={}", name, txh);
OperationStatus status = db.get().delete(tx, key.as(ENTRY_FACTORY));
OperationStatus status = db.delete(tx, key.as(ENTRY_FACTORY));
if (status != OperationStatus.SUCCESS && status != OperationStatus.NOTFOUND) {
throw new PermanentBackendException("Could not remove: " + status);
}
} catch (ThreadInterruptedException e) {
throw convertThreadInterruptedException(e);
} catch (DatabaseException e) {
throw new PermanentBackendException(e);
}
Expand Down
132 changes: 52 additions & 80 deletions ...erkeleyje/src/main/java/org/janusgraph/diskstorage/berkeleyje/BerkeleyJEStoreManager.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@

package org.janusgraph.diskstorage.berkeleyje;


import com.google.common.base.Preconditions;
import com.sleepycat.je.CacheMode;
import com.sleepycat.je.Database;
Expand All @@ -22,10 +23,8 @@
import com.sleepycat.je.Environment;
import com.sleepycat.je.EnvironmentConfig;
import com.sleepycat.je.LockMode;
import com.sleepycat.je.ThreadInterruptedException;
import com.sleepycat.je.Transaction;
import com.sleepycat.je.TransactionConfig;
import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalInterruptedException;
import org.janusgraph.diskstorage.BackendException;
import org.janusgraph.diskstorage.BaseTransactionConfig;
import org.janusgraph.diskstorage.PermanentBackendException;
Expand All @@ -52,7 +51,6 @@
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicReference;

import static org.janusgraph.diskstorage.configuration.ConfigOption.disallowEmpty;

Expand Down Expand Up @@ -92,14 +90,17 @@ public class BerkeleyJEStoreManager extends LocalStoreManager implements Ordered

private final Map<String, BerkeleyJEKeyValueStore> stores;

protected AtomicReference<Environment> environment = new AtomicReference<>();
protected Environment environment;
protected final StoreFeatures features;

public BerkeleyJEStoreManager(Configuration configuration) throws BackendException {
super(configuration);
stores = new HashMap<>();

initialize(configuration);
int cachePercentage = configuration.get(JVM_CACHE);
boolean sharedCache = configuration.get(SHARED_CACHE);
CacheMode cacheMode = ConfigOption.getEnumValue(configuration.get(CACHE_MODE), CacheMode.class);
initialize(cachePercentage, sharedCache, cacheMode);

features = new StandardStoreFeatures.Builder()
.orderedScan(true)
Expand All @@ -116,10 +117,7 @@ public BerkeleyJEStoreManager(Configuration configuration) throws BackendExcepti
.build();
}

private void initialize(Configuration configuration) throws BackendException {
int cachePercent = configuration.get(JVM_CACHE);
boolean sharedCache = configuration.get(SHARED_CACHE);
CacheMode cacheMode = ConfigOption.getEnumValue(configuration.get(CACHE_MODE), CacheMode.class);
private void initialize(int cachePercent, final boolean sharedCache, final CacheMode cacheMode) throws BackendException {
try {
EnvironmentConfig envConfig = new EnvironmentConfig();
envConfig.setAllowCreate(true);
Expand All @@ -134,7 +132,7 @@ private void initialize(Configuration configuration) throws BackendException {
}

//Open the environment
environment.set(new Environment(directory, envConfig));
environment = new Environment(directory, envConfig);

} catch (DatabaseException e) {
throw new PermanentBackendException("Error during BerkeleyJE initialization: ", e);
Expand All @@ -154,56 +152,39 @@ public List<KeyRange> getLocalKeyPartition() throws BackendException {

@Override
public BerkeleyJETx beginTransaction(final BaseTransactionConfig txCfg) throws BackendException {
boolean interrupted = false;
do {
try {
Transaction tx = null;
try {
Transaction tx = null;

Configuration effectiveCfg =
Configuration effectiveCfg =
new MergedConfiguration(txCfg.getCustomOptions(), getStorageConfig());

if (transactional) {
TransactionConfig txnConfig = new TransactionConfig();
ConfigOption.getEnumValue(effectiveCfg.get(ISOLATION_LEVEL), IsolationLevel.class).configure(txnConfig);
tx = environment.get().beginTransaction(null, txnConfig);
} else {
if (txCfg instanceof TransactionConfiguration) {
if (!((TransactionConfiguration) txCfg).isSingleThreaded()) {
// Non-transactional cursors can't shared between threads, more info ThreadLocker.checkState
throw new PermanentBackendException("BerkeleyJE does not support non-transactional for multi threaded tx");
}
if (transactional) {
TransactionConfig txnConfig = new TransactionConfig();
ConfigOption.getEnumValue(effectiveCfg.get(ISOLATION_LEVEL), IsolationLevel.class).configure(txnConfig);
tx = environment.beginTransaction(null, txnConfig);
} else {
if (txCfg instanceof TransactionConfiguration) {
if (!((TransactionConfiguration) txCfg).isSingleThreaded()) {
// Non-transactional cursors can't shared between threads, more info ThreadLocker.checkState
throw new PermanentBackendException("BerkeleyJE does not support non-transactional for multi threaded tx");
}
}
BerkeleyJETx btx =
new BerkeleyJETx(
tx,
ConfigOption.getEnumValue(effectiveCfg.get(LOCK_MODE), LockMode.class),
ConfigOption.getEnumValue(effectiveCfg.get(CACHE_MODE), CacheMode.class),
txCfg);

if (log.isTraceEnabled()) {
log.trace("Berkeley tx created", new TransactionBegin(btx.toString()));
}

return btx;
} catch (ThreadInterruptedException e) {
log.error("BerkeleyJE backend is interrupted! Try to recreate environment", e);
environment.get().close();
initialize(storageConfig);
for (Map.Entry<String, BerkeleyJEKeyValueStore> entry : stores.entrySet()) {
final String name = entry.getKey();
final BerkeleyJEKeyValueStore store = entry.getValue();
store.reopen(openDb(name));
}
if (!interrupted) {
interrupted = true;
} else {
throw new PermanentBackendException("Could not start BerkeleyJE transaction", e);
}
} catch (DatabaseException e) {
throw new PermanentBackendException("Could not start BerkeleyJE transaction", e);
}
} while (true);
BerkeleyJETx btx =
new BerkeleyJETx(
tx,
ConfigOption.getEnumValue(effectiveCfg.get(LOCK_MODE), LockMode.class),
ConfigOption.getEnumValue(effectiveCfg.get(CACHE_MODE), CacheMode.class),
txCfg);

if (log.isTraceEnabled()) {
log.trace("Berkeley tx created", new TransactionBegin(btx.toString()));
}

return btx;
} catch (DatabaseException e) {
throw new PermanentBackendException("Could not start BerkeleyJE transaction", e);
}
}

@Override
Expand All @@ -213,8 +194,19 @@ public BerkeleyJEKeyValueStore openDatabase(String name) throws BackendException
return stores.get(name);
}
try {
Database db = openDb(name);
log.trace("Opened database {}", name);
DatabaseConfig dbConfig = new DatabaseConfig();
dbConfig.setReadOnly(false);
dbConfig.setAllowCreate(true);
dbConfig.setTransactional(transactional);
dbConfig.setKeyPrefixing(true);

if (batchLoading) {
dbConfig.setDeferredWrite(true);
}

Database db = environment.openDatabase(null, name, dbConfig);

log.debug("Opened database {}", name);

BerkeleyJEKeyValueStore store = new BerkeleyJEKeyValueStore(name, db, this);
stores.put(name, store);
Expand All @@ -224,20 +216,6 @@ public BerkeleyJEKeyValueStore openDatabase(String name) throws BackendException
}
}

private Database openDb(String name) {
DatabaseConfig dbConfig = new DatabaseConfig();
dbConfig.setReadOnly(false);
dbConfig.setAllowCreate(true);
dbConfig.setTransactional(transactional);
dbConfig.setKeyPrefixing(true);

if (batchLoading) {
dbConfig.setDeferredWrite(true);
}

return environment.get().openDatabase(null, name, dbConfig);
}

@Override
public void mutateMany(Map<String, KVMutation> mutations, StoreTransaction txh) throws BackendException {
for (Map.Entry<String,KVMutation> mutation : mutations.entrySet()) {
Expand Down Expand Up @@ -288,7 +266,7 @@ public void close() throws BackendException {
//Ignore
}
try {
environment.get().close();
environment.close();
} catch (DatabaseException e) {
throw new PermanentBackendException("Could not close BerkeleyJE database", e);
}
Expand All @@ -304,8 +282,8 @@ public void clearStorage() throws BackendException {
throw new IllegalStateException("Cannot delete store, since database is open: " + stores.keySet());
}

for (final String db : environment.get().getDatabaseNames()) {
environment.get().removeDatabase(NULL_TRANSACTION, db);
for (final String db : environment.getDatabaseNames()) {
environment.removeDatabase(NULL_TRANSACTION, db);
log.debug("Removed database {} (clearStorage)", db);
}
close();
Expand All @@ -314,7 +292,7 @@ public void clearStorage() throws BackendException {

@Override
public boolean exists() throws BackendException {
return !environment.get().getDatabaseNames().isEmpty();
return !environment.getDatabaseNames().isEmpty();
}

@Override
Expand Down Expand Up @@ -357,10 +335,4 @@ private TransactionBegin(String msg) {
super(msg);
}
}

static TraversalInterruptedException convertThreadInterruptedException(final ThreadInterruptedException e) {
final TraversalInterruptedException ex = new TraversalInterruptedException();
ex.initCause(e);
return ex;
}
}
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Benchmark

Benchmark suite Current: bef739e Previous: 68f49a1 Ratio
org.janusgraph.JanusGraphSpeedBenchmark.basicAddAndDelete 14927.050626726417 ms/op 14750.912757292574 ms/op 1.01
org.janusgraph.GraphCentricQueryBenchmark.getVertices 1347.8267181504064 ms/op 1346.1948471823591 ms/op 1.00
org.janusgraph.MgmtOlapJobBenchmark.runClearIndex 219.61766866956518 ms/op 221.0470166869565 ms/op 0.99
org.janusgraph.MgmtOlapJobBenchmark.runReindex 467.7944938136364 ms/op 463.2053476121212 ms/op 1.01
org.janusgraph.JanusGraphSpeedBenchmark.basicCount 442.92279841359596 ms/op 473.90261975756744 ms/op 0.93
org.janusgraph.CQLMultiQueryMultiSlicesBenchmark.getValuesAllPropertiesWithAllMultiQuerySlicesUnderMaxRequestsPerConnection 8122.791841978639 ms/op 8776.908210320456 ms/op 0.93
org.janusgraph.CQLMultiQueryBenchmark.getElementsWithUsingEmitRepeatSteps 28353.030081150788 ms/op 29926.15626700794 ms/op 0.95
org.janusgraph.CQLMultiQueryMultiSlicesBenchmark.getValuesMultiplePropertiesWithSmallBatch 29206.459477536668 ms/op 32526.844515654997 ms/op 0.90
org.janusgraph.CQLMultiQueryMultiSlicesBenchmark.vertexCentricPropertiesFetching 57942.172594933334 ms/op 59550.41166966667 ms/op 0.97
org.janusgraph.CQLMultiQueryBenchmark.getAllElementsTraversedFromOuterVertex 14376.526274325874 ms/op 15006.601503888596 ms/op 0.96
org.janusgraph.CQLMultiQueryBenchmark.getVerticesWithDoubleUnion 583.9551961363666 ms/op 610.4456304918209 ms/op 0.96
org.janusgraph.CQLMultiQueryMultiSlicesBenchmark.getValuesAllPropertiesWithUnlimitedBatch 7992.781591453918 ms/op 8351.21971247489 ms/op 0.96
org.janusgraph.CQLMultiQueryBenchmark.getNames 13913.942935956797 ms/op 14737.422644903432 ms/op 0.94
org.janusgraph.CQLMultiQueryMultiSlicesBenchmark.getValuesThreePropertiesWithAllMultiQuerySlicesUnderMaxRequestsPerConnection 10198.03170366322 ms/op 10903.708326936881 ms/op 0.94
org.janusgraph.CQLMultiQueryBenchmark.getLabels 12480.611843284973 ms/op 13305.68422999396 ms/op 0.94
org.janusgraph.CQLMultiQueryBenchmark.getVerticesFilteredByAndStep 653.5421063555981 ms/op 672.9530191288869 ms/op 0.97
org.janusgraph.CQLMultiQueryBenchmark.getVerticesFromMultiNestedRepeatStepStartingFromSingleVertex 20557.118673283636 ms/op 21151.69997790227 ms/op 0.97
org.janusgraph.CQLMultiQueryBenchmark.getVerticesWithCoalesceUsage 545.4782293646509 ms/op 566.2220666199714 ms/op 0.96
org.janusgraph.CQLMultiQueryMultiSlicesBenchmark.getValuesMultiplePropertiesWithAllMultiQuerySlicesUnderMaxRequestsPerConnection 25965.150806526668 ms/op 25822.55861829052 ms/op 1.01
org.janusgraph.CQLMultiQueryBenchmark.getIdToOutVerticesProjection 386.6965789145318 ms/op 411.4887692411499 ms/op 0.94
org.janusgraph.CQLMultiQueryMultiSlicesBenchmark.getValuesMultiplePropertiesWithUnlimitedBatch 29274.286155585265 ms/op 29794.881563733332 ms/op 0.98
org.janusgraph.CQLMultiQueryBenchmark.getNeighborNames 13916.855363086077 ms/op 14451.119747276667 ms/op 0.96
org.janusgraph.CQLMultiQueryBenchmark.getElementsWithUsingRepeatUntilSteps 14975.576886961428 ms/op 16086.213028835715 ms/op 0.93
org.janusgraph.CQLMultiQueryBenchmark.getAdjacentVerticesLocalCounts 14572.852567779657 ms/op 14981.480702516508 ms/op 0.97

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