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This commit is contained in:
Andrea Cavalli 2022-03-22 11:50:30 +01:00
parent 372c45220c
commit 8e6ea58823
8 changed files with 87 additions and 73 deletions
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3
src/main/data-generator/quic-rpc.yaml
View File

@ -223,6 +223,7 @@ versions:
DatabaseOptions:
data:
volumes: DatabaseVolume[]
levels: DatabaseLevel[]
extraFlags: StringMap
absoluteConsistency: boolean
lowMemory: boolean
@ -238,6 +239,8 @@ versions:
data:
volumePath: Path
targetSizeBytes: long
DatabaseLevel:
data:
maxDictBytes: int
compression: Compression
IndicizerAnalyzers:

20
src/main/java/it/cavallium/dbengine/database/LLUtils.java
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@ -722,23 +722,29 @@ public class LLUtils {
* @param readOptions the read options to copy
* @param canFillCache true to fill the cache. If closedRange is false, this field will be ignored
* @param closedRange true if the range is closed
* @param prefixSameAsStart true if the prefix is same as start
* @return a new instance of ReadOptions
*/
public static ReadOptions generateCustomReadOptions(@Nullable ReadOptions readOptions, boolean canFillCache, boolean closedRange) {
public static ReadOptions generateCustomReadOptions(@Nullable ReadOptions readOptions,
boolean canFillCache,
boolean closedRange,
boolean prefixSameAsStart) {
if (readOptions != null) {
readOptions = new ReadOptions(readOptions);
} else {
readOptions = new ReadOptions();
}
if (!closedRange) {
if (LLUtils.MANUAL_READAHEAD) {
readOptions.setReadaheadSize(32 * 1024); // 32KiB
}
if (closedRange) {
readOptions.setFillCache(canFillCache);
readOptions.setPrefixSameAsStart(prefixSameAsStart);
readOptions.setTotalOrderSeek(!prefixSameAsStart);
} else {
readOptions.setReadaheadSize(4 * 1024 * 1024); // 4MiB
readOptions.setFillCache(false);
readOptions.setVerifyChecksums(false);
} else {
readOptions.setFillCache(canFillCache);
readOptions.setTotalOrderSeek(true);
}
return readOptions;
}

2
src/main/java/it/cavallium/dbengine/database/disk/LLLocalGroupedReactiveRocksIterator.java
View File

@ -88,7 +88,7 @@ public abstract class LLLocalGroupedReactiveRocksIterator<T> extends
public final Flux<List<T>> flux() {
return Flux
.generate(() -> {
var readOptions = generateCustomReadOptions(this.readOptions, true, isClosedRange(range));
var readOptions = generateCustomReadOptions(this.readOptions, true, isClosedRange(range), true);
if (logger.isTraceEnabled()) {
logger.trace(MARKER_ROCKSDB, "Range {} started", LLUtils.toStringSafe(range));
}

2
src/main/java/it/cavallium/dbengine/database/disk/LLLocalKeyPrefixReactiveRocksIterator.java
View File

@ -80,7 +80,7 @@ public class LLLocalKeyPrefixReactiveRocksIterator extends
public Flux<Send<Buffer>> flux() {
return Flux.generate(() -> {
var readOptions = generateCustomReadOptions(this.readOptions, canFillCache, isClosedRange(rangeShared));
var readOptions = generateCustomReadOptions(this.readOptions, canFillCache, isClosedRange(rangeShared), true);
if (logger.isTraceEnabled()) {
logger.trace(MARKER_ROCKSDB, "Range {} started", LLUtils.toStringSafe(rangeShared));
}

129
src/main/java/it/cavallium/dbengine/database/disk/LLLocalKeyValueDatabase.java
View File

@ -15,6 +15,7 @@ import it.cavallium.dbengine.database.LLSnapshot;
import it.cavallium.dbengine.database.LLUtils;
import it.cavallium.dbengine.database.UpdateMode;
import it.cavallium.dbengine.rpc.current.data.Column;
import it.cavallium.dbengine.rpc.current.data.DatabaseLevel;
import it.cavallium.dbengine.rpc.current.data.DatabaseOptions;
import it.cavallium.dbengine.rpc.current.data.DatabaseVolume;
import java.io.File;
@ -143,14 +144,17 @@ public class LLLocalKeyValueDatabase implements LLKeyValueDatabase {
OptionsWithCache optionsWithCache = openRocksDb(path, databaseOptions);
var rocksdbOptions = optionsWithCache.options();
try {
List<ColumnFamilyDescriptor> descriptors = new LinkedList<>();
List<ColumnFamilyDescriptor> descriptors = new ArrayList<>();
descriptors
.add(new ColumnFamilyDescriptor(RocksDB.DEFAULT_COLUMN_FAMILY));
descriptors.add(new ColumnFamilyDescriptor(RocksDB.DEFAULT_COLUMN_FAMILY));
for (Column column : columns) {
var columnOptions = new ColumnFamilyOptions();
columnOptions.setTargetFileSizeBase(64 * SizeUnit.MB);
columnOptions.setTargetFileSizeMultiplier(1);
columnOptions.setMaxBytesForLevelBase(256 * SizeUnit.MB);
columnOptions.setMaxBytesForLevelMultiplier(10);
columnOptions.setLevelCompactionDynamicLevelBytes(true);
columnOptions.setLevel0FileNumCompactionTrigger(2);
columnOptions.setLevel0SlowdownWritesTrigger(20);
columnOptions.setLevel0StopWritesTrigger(36);
//noinspection ConstantConditions
if (databaseOptions.memtableMemoryBudgetBytes() != null) {
@ -160,83 +164,63 @@ public class LLLocalKeyValueDatabase implements LLKeyValueDatabase {
.orElse(databaseOptions.lowMemory() ? 16L * SizeUnit.MB : 128L * SizeUnit.MB));
}
if (!databaseOptions.volumes().isEmpty()) {
if (!databaseOptions.levels().isEmpty()) {
var firstLevelOptions = getRocksLevelOptions(databaseOptions.levels().get(0));
columnOptions.setCompressionType(firstLevelOptions.compressionType);
columnOptions.setCompressionOptions(firstLevelOptions.compressionOptions);
var lastLevelOptions = getRocksLevelOptions(databaseOptions
.levels()
.get(databaseOptions.levels().size() - 1));
columnOptions.setBottommostCompressionType(lastLevelOptions.compressionType);
columnOptions.setBottommostCompressionOptions(lastLevelOptions.compressionOptions);
columnOptions.setCompressionPerLevel(databaseOptions
.volumes()
.levels()
.stream()
.map(v -> v.compression().getType())
.toList());
int btmIndex = databaseOptions.volumes().size() - 1;
var volumeOptions = databaseOptions.volumes().get(0);
var ctype = volumeOptions.compression().getType();
var copts = new CompressionOptions();
if (ctype != CompressionType.NO_COMPRESSION) {
copts.setEnabled(true);
copts.setMaxDictBytes(volumeOptions.maxDictBytes());
} else {
copts.setEnabled(false);
}
columnOptions.setCompressionType(ctype);
columnOptions.setCompressionOptions(copts);
var btmVolumeOptions = databaseOptions.volumes().get(btmIndex);
var btmCtype = btmVolumeOptions.compression().getType();
var btmCopts = new CompressionOptions();
if (btmCtype != CompressionType.NO_COMPRESSION) {
btmCopts.setEnabled(true);
btmCopts.setMaxDictBytes(btmVolumeOptions.maxDictBytes());
} else {
btmCopts.setEnabled(false);
}
columnOptions.setBottommostCompressionType(btmCtype);
columnOptions.setBottommostCompressionOptions(btmCopts);
} else {
columnOptions.setCompressionType(CompressionType.LZ4_COMPRESSION);
columnOptions.setCompressionOptions(new CompressionOptions().setEnabled(true).setMaxDictBytes(32768));
columnOptions.setNumLevels(7);
List<CompressionType> compressionTypes = new ArrayList<>(7);
for (int i = 0; i < 7; i++) {
if (i < 2) {
compressionTypes.add(CompressionType.NO_COMPRESSION);
} else {
compressionTypes.add(CompressionType.LZ4_COMPRESSION);
}
}
columnOptions.setBottommostCompressionType(CompressionType.LZ4_COMPRESSION);
columnOptions.setBottommostCompressionOptions(new CompressionOptions()
.setEnabled(true)
.setMaxDictBytes(32768));
columnOptions.setCompressionPerLevel(compressionTypes);
}
final BlockBasedTableConfig tableOptions = new BlockBasedTableConfig();
if (databaseOptions.lowMemory()) {
tableOptions
.setIndexType(IndexType.kTwoLevelIndexSearch)
.setPartitionFilters(true)
.setCacheIndexAndFilterBlocks(databaseOptions.setCacheIndexAndFilterBlocks().orElse(true))
.setCacheIndexAndFilterBlocksWithHighPriority(true)
.setPinTopLevelIndexAndFilter(true)
.setPinL0FilterAndIndexBlocksInCache(true)
;
} else {
tableOptions
.setIndexType(IndexType.kTwoLevelIndexSearch)
.setPartitionFilters(true)
.setCacheIndexAndFilterBlocks(databaseOptions.setCacheIndexAndFilterBlocks().orElse( true))
.setCacheIndexAndFilterBlocksWithHighPriority(true)
.setPinTopLevelIndexAndFilter(true)
.setPinL0FilterAndIndexBlocksInCache(true)
;
if (!databaseOptions.lowMemory()) {
final BloomFilter bloomFilter = new BloomFilter(3, false);
tableOptions.setFilterPolicy(bloomFilter);
tableOptions.setOptimizeFiltersForMemory(true);
}
tableOptions
.setPinTopLevelIndexAndFilter(true)
.setPinL0FilterAndIndexBlocksInCache(true)
.setCacheIndexAndFilterBlocksWithHighPriority(true)
.setCacheIndexAndFilterBlocks(databaseOptions.setCacheIndexAndFilterBlocks().orElse(true))
.setPartitionFilters(true)
.setIndexType(IndexType.kTwoLevelIndexSearch)
.setFormatVersion(5)
.setChecksumType(ChecksumType.kxxHash)
.setBlockCacheCompressed(optionsWithCache.compressedCache())
.setBlockCache(optionsWithCache.standardCache())
.setBlockSize(16 * 1024); // 16KiB
.setBlockSize(512 * 1024); // 512KiB
//columnOptions.setLevelCompactionDynamicLevelBytes(true);
columnOptions.setTableFormatConfig(tableOptions);
columnOptions.setCompactionPriority(CompactionPriority.OldestSmallestSeqFirst);
descriptors
.add(new ColumnFamilyDescriptor(column.name().getBytes(StandardCharsets.US_ASCII), columnOptions));
descriptors.add(new ColumnFamilyDescriptor(column.name().getBytes(StandardCharsets.US_ASCII), columnOptions));
}
// Get databases directory path
@ -334,6 +318,19 @@ public class LLLocalKeyValueDatabase implements LLKeyValueDatabase {
registerGauge(meterRegistry, name, "rocksdb.block-cache-pinned-usage");
}
private record RocksLevelOptions(CompressionType compressionType, CompressionOptions compressionOptions) {}
private RocksLevelOptions getRocksLevelOptions(DatabaseLevel levelOptions) {
var compressionType = levelOptions.compression().getType();
var compressionOptions = new CompressionOptions();
if (compressionType != CompressionType.NO_COMPRESSION) {
compressionOptions.setEnabled(true);
compressionOptions.setMaxDictBytes(levelOptions.maxDictBytes());
} else {
compressionOptions.setEnabled(false);
}
return new RocksLevelOptions(compressionType, compressionOptions);
}
private void registerGauge(MeterRegistry meterRegistry, String name, String propertyName) {
meterRegistry.gauge("rocksdb.property.value",
List.of(Tag.of("db.name", name), Tag.of("db.property.name", propertyName)),
@ -433,7 +430,7 @@ public class LLLocalKeyValueDatabase implements LLKeyValueDatabase {
// end force compact
}
record OptionsWithCache(DBOptions options, Cache standardCache, Cache compressedCache) {}
record OptionsWithCache(DBOptions options, @Nullable Cache standardCache, @Nullable Cache compressedCache) {}
private static OptionsWithCache openRocksDb(@Nullable Path path, DatabaseOptions databaseOptions) throws IOException {
// Get databases directory path
@ -451,10 +448,15 @@ public class LLLocalKeyValueDatabase implements LLKeyValueDatabase {
// the Options class contains a set of configurable DB options
// that determines the behaviour of the database.
var options = new DBOptions();
options.setEnablePipelinedWrite(true);
options.setMaxSubcompactions(2);
options.setMaxFileOpeningThreads(16);
var customWriteRate = Long.parseLong(System.getProperty("it.cavallium.dbengine.write.delayedrate", "-1"));
if (customWriteRate >= 0) {
options.setDelayedWriteRate(customWriteRate);
} else {
options.setDelayedWriteRate(64 * SizeUnit.MB);
}
options.setNewTableReaderForCompactionInputs(true);
options.setParanoidChecks(false);
options.setCreateIfMissing(true);
options.setSkipStatsUpdateOnDbOpen(true);
options.setCreateMissingColumnFamilies(true);
@ -487,7 +489,7 @@ public class LLLocalKeyValueDatabase implements LLKeyValueDatabase {
.setMaxTotalWalSize(0) // automatic
;
blockCache = new ClockCache(databaseOptions.blockCache().orElse( 8L * SizeUnit.MB) / 2, -1, true);
compressedCache = new ClockCache(databaseOptions.blockCache().orElse( 8L * SizeUnit.MB) / 2, -1, true);
compressedCache = null;
if (databaseOptions.useDirectIO()) {
options
@ -502,15 +504,16 @@ public class LLLocalKeyValueDatabase implements LLKeyValueDatabase {
// HIGH MEMORY
options
.setIncreaseParallelism(Runtime.getRuntime().availableProcessors())
.setBytesPerSync(8 * SizeUnit.KB)
.setWalBytesPerSync(8 * SizeUnit.KB)
.setDbWriteBufferSize(64 * SizeUnit.MB)
.setBytesPerSync(64 * SizeUnit.KB)
.setWalBytesPerSync(64 * SizeUnit.KB)
.setWalTtlSeconds(30) // flush wal after 30 seconds
.setWalSizeLimitMB(1024) // 1024MB
.setMaxTotalWalSize(2L * SizeUnit.GB) // 2GiB max wal directory size
;
blockCache = new ClockCache(databaseOptions.blockCache().orElse( 512 * SizeUnit.MB) / 2);
compressedCache = new ClockCache(databaseOptions.blockCache().orElse( 512 * SizeUnit.MB) / 2);
compressedCache = null;
if (databaseOptions.useDirectIO()) {
options

2
src/main/java/it/cavallium/dbengine/database/disk/LLLocalReactiveRocksIterator.java
View File

@ -79,7 +79,7 @@ public abstract class LLLocalReactiveRocksIterator<T> extends
public final Flux<T> flux() {
return Flux.generate(() -> {
var readOptions = generateCustomReadOptions(this.readOptions, true, isClosedRange(rangeShared));
var readOptions = generateCustomReadOptions(this.readOptions, true, isClosedRange(rangeShared), true);
if (logger.isTraceEnabled()) {
logger.trace(MARKER_ROCKSDB, "Range {} started", LLUtils.toStringSafe(rangeShared));
}

1
src/test/java/it/cavallium/dbengine/LocalTemporaryDbGenerator.java
View File

@ -85,6 +85,7 @@ public class LocalTemporaryDbGenerator implements TemporaryDbGenerator {
conn.getDatabase("testdb",
List.of(ColumnUtils.dictionary("testmap"), ColumnUtils.special("ints"), ColumnUtils.special("longs")),
new DatabaseOptions(List.of(),
List.of(),
Map.of(),
true,
false,

1
src/test/java/it/cavallium/dbengine/MemoryTemporaryDbGenerator.java
View File

@ -56,6 +56,7 @@ public class MemoryTemporaryDbGenerator implements TemporaryDbGenerator {
conn.getDatabase("testdb",
List.of(ColumnUtils.dictionary("testmap"), ColumnUtils.special("ints"), ColumnUtils.special("longs")),
DatabaseOptions.of(List.of(),
List.of(),
Map.of(),
true,
false,