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io.trino.spiller.FileSingleStreamSpillerFactory Maven / Gradle / Ivy
/*
* 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.
*/
package io.trino.spiller;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.collect.ImmutableList;
import com.google.common.util.concurrent.ListeningExecutorService;
import com.google.inject.Inject;
import io.airlift.log.Logger;
import io.trino.FeaturesConfig;
import io.trino.cache.NonKeyEvictableLoadingCache;
import io.trino.execution.buffer.CompressionCodec;
import io.trino.execution.buffer.PagesSerdeFactory;
import io.trino.memory.context.LocalMemoryContext;
import io.trino.operator.SpillContext;
import io.trino.spi.TrinoException;
import io.trino.spi.block.BlockEncodingSerde;
import io.trino.spi.type.Type;
import jakarta.annotation.PostConstruct;
import jakarta.annotation.PreDestroy;
import javax.crypto.SecretKey;
import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.FileStore;
import java.nio.file.Path;
import java.time.Duration;
import java.util.List;
import java.util.Optional;
import static com.google.common.util.concurrent.MoreExecutors.listeningDecorator;
import static io.airlift.concurrent.Threads.daemonThreadsNamed;
import static io.trino.FeaturesConfig.SPILLER_SPILL_PATH;
import static io.trino.cache.SafeCaches.buildNonEvictableCacheWithWeakInvalidateAll;
import static io.trino.spi.StandardErrorCode.OUT_OF_SPILL_SPACE;
import static io.trino.util.Ciphers.createRandomAesEncryptionKey;
import static java.lang.String.format;
import static java.nio.file.Files.createDirectories;
import static java.nio.file.Files.createTempFile;
import static java.nio.file.Files.delete;
import static java.nio.file.Files.deleteIfExists;
import static java.nio.file.Files.getFileStore;
import static java.nio.file.Files.isExecutable;
import static java.nio.file.Files.isReadable;
import static java.nio.file.Files.isWritable;
import static java.nio.file.Files.newDirectoryStream;
import static java.util.Objects.requireNonNull;
import static java.util.concurrent.Executors.newFixedThreadPool;
public class FileSingleStreamSpillerFactory
implements SingleStreamSpillerFactory
{
private static final Logger log = Logger.get(FileSingleStreamSpillerFactory.class);
@VisibleForTesting
static final String SPILL_FILE_PREFIX = "spill";
@VisibleForTesting
static final String SPILL_FILE_SUFFIX = ".bin";
private static final String SPILL_FILE_GLOB = "spill*.bin";
private static final Duration SPILL_PATH_HEALTH_EXPIRY_INTERVAL = Duration.ofMinutes(5);
private final ListeningExecutorService executor;
private final PagesSerdeFactory serdeFactory;
private final List spillPaths;
private final SpillerStats spillerStats;
private final double maxUsedSpaceThreshold;
private final boolean spillEncryptionEnabled;
private int roundRobinIndex;
private final NonKeyEvictableLoadingCache spillPathHealthCache;
@Inject
public FileSingleStreamSpillerFactory(BlockEncodingSerde blockEncodingSerde, SpillerStats spillerStats, FeaturesConfig featuresConfig, NodeSpillConfig nodeSpillConfig)
{
this(
listeningDecorator(newFixedThreadPool(
featuresConfig.getSpillerThreads(),
daemonThreadsNamed("binary-spiller-%s"))),
requireNonNull(blockEncodingSerde, "blockEncodingSerde is null"),
spillerStats,
featuresConfig.getSpillerSpillPaths(),
featuresConfig.getSpillMaxUsedSpaceThreshold(),
nodeSpillConfig.getSpillCompressionCodec(),
nodeSpillConfig.isSpillEncryptionEnabled());
}
@VisibleForTesting
public FileSingleStreamSpillerFactory(
ListeningExecutorService executor,
BlockEncodingSerde blockEncodingSerde,
SpillerStats spillerStats,
List spillPaths,
double maxUsedSpaceThreshold,
CompressionCodec compressionCodec,
boolean spillEncryptionEnabled)
{
this.serdeFactory = new PagesSerdeFactory(blockEncodingSerde, compressionCodec);
this.executor = requireNonNull(executor, "executor is null");
this.spillerStats = requireNonNull(spillerStats, "spillerStats cannot be null");
requireNonNull(spillPaths, "spillPaths is null");
this.spillPaths = ImmutableList.copyOf(spillPaths);
spillPaths.forEach(path -> {
try {
createDirectories(path);
}
catch (IOException e) {
throw new IllegalArgumentException(format("could not create spill path %s; adjust %s config property or filesystem permissions", path, SPILLER_SPILL_PATH), e);
}
if (!isAccessible(path)) {
throw new IllegalArgumentException(format("spill path %s is not accessible, it must be +rwx; adjust %s config property or filesystem permissions", path, SPILLER_SPILL_PATH));
}
});
this.maxUsedSpaceThreshold = maxUsedSpaceThreshold;
this.spillEncryptionEnabled = spillEncryptionEnabled;
this.roundRobinIndex = 0;
this.spillPathHealthCache = buildNonEvictableCacheWithWeakInvalidateAll(
CacheBuilder.newBuilder()
.expireAfterWrite(SPILL_PATH_HEALTH_EXPIRY_INTERVAL),
CacheLoader.from(path -> isAccessible(path) && isSeeminglyHealthy(path)));
}
@PostConstruct
public void cleanupOldSpillFiles()
{
spillPaths.forEach(FileSingleStreamSpillerFactory::cleanupOldSpillFiles);
}
@PreDestroy
public void destroy()
{
executor.shutdownNow();
}
private static void cleanupOldSpillFiles(Path path)
{
try (DirectoryStream stream = newDirectoryStream(path, SPILL_FILE_GLOB)) {
stream.forEach(spillFile -> {
try {
log.info("Deleting old spill file: %s", spillFile);
delete(spillFile);
}
catch (Exception e) {
log.warn("Could not cleanup old spill file: %s", spillFile);
}
});
}
catch (IOException e) {
log.warn(e, "Error cleaning spill files");
}
}
@Override
public SingleStreamSpiller create(List types, SpillContext spillContext, LocalMemoryContext memoryContext)
{
Optional encryptionKey = spillEncryptionEnabled ? Optional.of(createRandomAesEncryptionKey()) : Optional.empty();
return new FileSingleStreamSpiller(
serdeFactory,
encryptionKey,
executor,
getNextSpillPath(),
spillerStats,
spillContext,
memoryContext,
spillPathHealthCache::invalidateAll);
}
private synchronized Path getNextSpillPath()
{
int spillPathsCount = spillPaths.size();
for (int i = 0; i < spillPathsCount; ++i) {
int pathIndex = (roundRobinIndex + i) % spillPathsCount;
Path path = spillPaths.get(pathIndex);
if (hasEnoughDiskSpace(path) && spillPathHealthCache.getUnchecked(path)) {
roundRobinIndex = (roundRobinIndex + i + 1) % spillPathsCount;
return path;
}
}
if (spillPaths.isEmpty()) {
throw new TrinoException(OUT_OF_SPILL_SPACE, "No spill paths configured");
}
throw new TrinoException(OUT_OF_SPILL_SPACE, "No free or healthy space available for spill");
}
private boolean hasEnoughDiskSpace(Path path)
{
try {
FileStore fileStore = getFileStore(path);
return fileStore.getUsableSpace() > fileStore.getTotalSpace() * (1.0 - maxUsedSpaceThreshold);
}
catch (IOException e) {
throw new TrinoException(OUT_OF_SPILL_SPACE, "Cannot determine free space for spill", e);
}
}
private boolean isAccessible(Path path)
{
return isReadable(path) && isWritable(path) && isExecutable(path);
}
private boolean isSeeminglyHealthy(Path path)
{
try {
Path healthTemp = createTempFile(path, "spill", "healthcheck");
return deleteIfExists(healthTemp);
}
catch (IOException e) {
log.warn(e, "Health check failed for spill %s", path);
return false;
}
}
@VisibleForTesting
long getSpillPathCacheSize()
{
return spillPathHealthCache.size();
}
}
