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HDDS-12173. Follow RocksDB basic tuning guide #8206

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Merged
jojochuang merged 4 commits into from
Apr 23, 2025
Merged

HDDS-12173. Follow RocksDB basic tuning guide #8206

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b8e88a1
Follow RocksDB basic tuning guide
kiruthiga1793 Mar 31, 2025
44cb93e
Follow RocksDB basic tuning guide
kiruthiga1793 Mar 31, 2025
022f130
Follow RocksDB basic tuning guide
kiruthiga1793 Mar 31, 2025
cef5d2a
Follow RocksDB basic tuning guide
kiruthiga1793 Apr 1, 2025
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5 changes: 5 additions & 0 deletions hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/utils/db/DBProfile.java
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
import org.apache.hadoop.hdds.utils.db.managed.ManagedColumnFamilyOptions;
import org.apache.hadoop.hdds.utils.db.managed.ManagedDBOptions;
import org.apache.hadoop.hdds.utils.db.managed.ManagedLRUCache;
import org.rocksdb.CompactionPriority;
import org.rocksdb.CompactionStyle;

/**
Expand Down Expand Up @@ -65,10 +66,12 @@ public ManagedDBOptions getDBOptions() {
final long bytesPerSync = toLong(StorageUnit.MB.toBytes(1.00));
final boolean createIfMissing = true;
final boolean createMissingColumnFamilies = true;
final int maxBackgroundJobs = 6;
ManagedDBOptions dbOptions = new ManagedDBOptions();
dbOptions
.setIncreaseParallelism(Runtime.getRuntime().availableProcessors())
.setMaxBackgroundCompactions(maxBackgroundCompactions)
.setMaxBackgroundJobs(maxBackgroundJobs)
.setMaxBackgroundFlushes(maxBackgroundFlushes)
.setBytesPerSync(bytesPerSync)
.setCreateIfMissing(createIfMissing)
Expand All @@ -88,6 +91,7 @@ public ManagedBlockBasedTableConfig getBlockBasedTableConfig() {
config.setBlockCache(new ManagedLRUCache(blockCacheSize))
.setBlockSize(blockSize)
.setPinL0FilterAndIndexBlocksInCache(true)
.setCacheIndexAndFilterBlocks(true)
.setFilterPolicy(new ManagedBloomFilter());
return config;
}
Expand All @@ -111,6 +115,7 @@ public ManagedDBOptions getDBOptions() {
public ManagedColumnFamilyOptions getColumnFamilyOptions() {
ManagedColumnFamilyOptions cfOptions = SSD.getColumnFamilyOptions();
cfOptions.setCompactionStyle(CompactionStyle.LEVEL);
cfOptions.setCompactionPriority(CompactionPriority.MinOverlappingRatio);
return cfOptions;
}

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1 change: 1 addition & 0 deletions ...b/src/main/java/org/apache/hadoop/hdds/utils/db/managed/ManagedBlockBasedTableConfig.java
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Expand Up @@ -48,6 +48,7 @@ public synchronized ManagedBlockBasedTableConfig setBlockCache(

blockCacheHolder = blockCache;
super.setBlockCache(blockCache);
super.setCacheIndexAndFilterBlocks(true);
return this;
}

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1 change: 1 addition & 0 deletions pom.xml
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Expand Up @@ -1546,6 +1546,7 @@
<!-- Allow non-RocksObject classes. -->
<allowedImport>org.rocksdb.ColumnFamilyDescriptor</allowedImport>
<allowedImport>org.rocksdb.CompactionStyle</allowedImport>
<allowedImport>org.rocksdb.CompactionPriority</allowedImport>
<allowedImport>org.rocksdb.KeyMayExist</allowedImport>
<allowedImport>org.rocksdb.HistogramData</allowedImport>
<allowedImport>org.rocksdb.HistogramType</allowedImport>
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