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ptrus committed Dec 5, 2023
1 parent 21f5eff commit 7369a08
Showing 1 changed file with 44 additions and 34 deletions.
78 changes: 44 additions & 34 deletions go/storage/mkvs/db/rocksdb/rocksdb.go
Original file line number Diff line number Diff line change
Expand Up @@ -100,52 +100,39 @@ const (
cfIOTreeName = "io_tree"
)

// New creates a new RocksDB-backed node database.
func New(cfg *api.Config) (api.NodeDB, error) {
db := &rocksdbNodeDB{
logger: logging.GetLogger("mkvs/db/rocksdb"),
namespace: cfg.Namespace,
discardWriteLogs: cfg.DiscardWriteLogs,
readOnly: cfg.ReadOnly,
}

func newOptions(versioned bool, maxCacheSize int64) *grocksdb.Options {
// XXX: The options bellow were taken from a combination of:
// - Cosmos-SDK RocksDB implementation
// - https://github.com/facebook/rocksdb/wiki/RocksDB-Tuning-Guide
// - https://github.com/facebook/rocksdb/wiki/Setup-Options-and-Basic-Tuning
// Experiment/modify if needed.

// Create options for the metadata column family.
// TODO: Consider also tuning some options of the metadata CF (although this is small compared to nodes CFs).
optsMeta := grocksdb.NewDefaultOptions()
optsMeta.SetCreateIfMissing(true)
optsMeta.SetCreateIfMissingColumnFamilies(true)

// Create options for the node column families.
// TODO: Consider separate options for state vs. io.
optsNodes := grocksdb.NewDefaultOptions()
optsNodes.SetCreateIfMissing(true)
optsNodes.SetComparator(createTimestampComparator())
optsNodes.IncreaseParallelism(runtime.NumCPU())
opts := grocksdb.NewDefaultOptions()
opts.SetCreateIfMissing(true)
if versioned {
opts.SetComparator(createTimestampComparator())
}
opts.IncreaseParallelism(runtime.NumCPU())

// General options.
// https://github.com/facebook/rocksdb/wiki/Setup-Options-and-Basic-Tuning#other-general-options
optsNodes.SetLevelCompactionDynamicLevelBytes(true)
optsNodes.SetBytesPerSync(1048576) // 1 MB.
optsNodes.OptimizeLevelStyleCompaction(512 * 1024 * 1024)
optsNodes.SetTargetFileSizeMultiplier(2)
opts.SetLevelCompactionDynamicLevelBytes(true)
opts.SetBytesPerSync(1048576) // 1 MB.
opts.OptimizeLevelStyleCompaction(512 * 1024 * 1024)
opts.SetTargetFileSizeMultiplier(2)

bbto := grocksdb.NewDefaultBlockBasedTableOptions()
bbto.SetFormatVersion(4) // Latest version format, default uses older backwards compatible one.
bbto.SetBlockSize(32 * 1024)
bbto.SetPinL0FilterAndIndexBlocksInCache(true)
// Configure block cache. Recommendation is 1/3 of memory budget.
// https://github.com/facebook/rocksdb/wiki/Setup-Options-and-Basic-Tuning#block-cache-size
if cfg.MaxCacheSize == 0 {
if maxCacheSize == 0 {
// Default to 128mb block cache size if not configured.
bbto.SetBlockCache(grocksdb.NewLRUCache(128 * 1024 * 1024))
} else {
bbto.SetBlockCache(grocksdb.NewLRUCache(uint64(cfg.MaxCacheSize)))
bbto.SetBlockCache(grocksdb.NewLRUCache(uint64(maxCacheSize)))
}

// Configure query filter.
Expand All @@ -156,20 +143,20 @@ func New(cfg *api.Config) (api.NodeDB, error) {
// https://github.com/facebook/rocksdb/wiki/Index-Block-Format#index_type--kbinarysearchwithfirstkey
bbto.SetIndexType(grocksdb.KBinarySearchWithFirstKey)

optsNodes.SetBlockBasedTableFactory(bbto)
opts.SetBlockBasedTableFactory(bbto)

// Configure compression.
// https://github.com/facebook/rocksdb/wiki/Setup-Options-and-Basic-Tuning#compression
optsNodes.SetCompression(grocksdb.LZ4Compression)
optsNodes.SetBottommostCompression(grocksdb.ZSTDCompression)
opts.SetCompression(grocksdb.LZ4Compression)
opts.SetBottommostCompression(grocksdb.ZSTDCompression)

// Configure ZSTD (follows Cosmos-SDK values).
compressOpts := grocksdb.NewDefaultCompressionOptions()
compressOpts.MaxDictBytes = 110 * 1024 // 110KB - typical size for ZSTD.
compressOpts.Level = 12 // Higher compression.
optsNodes.SetBottommostCompressionOptions(compressOpts, true)
optsNodes.SetBottommostCompressionOptionsZstdMaxTrainBytes(compressOpts.MaxDictBytes*100, true) // 100 * dict size.
optsNodes.SetCompressionOptionsParallelThreads(4)
opts.SetBottommostCompressionOptions(compressOpts, true)
opts.SetBottommostCompressionOptionsZstdMaxTrainBytes(compressOpts.MaxDictBytes*100, true) // 100 * dict size.
opts.SetCompressionOptionsParallelThreads(4)

/*
// TODO: only enable statistics via a config param.
Expand All @@ -178,6 +165,29 @@ func New(cfg *api.Config) (api.NodeDB, error) {
optsNodes.EnableStatistics()
*/

return opts
}

// New creates a new RocksDB-backed node database.
func New(cfg *api.Config) (api.NodeDB, error) {
db := &rocksdbNodeDB{
logger: logging.GetLogger("mkvs/db/rocksdb"),
namespace: cfg.Namespace,
discardWriteLogs: cfg.DiscardWriteLogs,
readOnly: cfg.ReadOnly,
}

// Create options for the metadata column family.
// TODO: Consider also tuning some options of the metadata CF (although this is small compared to nodes CFs).
optsMeta := grocksdb.NewDefaultOptions()
optsMeta.SetCreateIfMissing(true)
optsMeta.SetCreateIfMissingColumnFamilies(true)

// Create options for the node column families.
optsRoots := newOptions(false, cfg.MaxCacheSize)
// TODO: Consider separate options for state vs. io.
optsNodes := newOptions(true, cfg.MaxCacheSize)

var err error
var cfHandles []*grocksdb.ColumnFamilyHandle
switch cfg.ReadOnly {
Expand All @@ -193,7 +203,7 @@ func New(cfg *api.Config) (api.NodeDB, error) {
},
[]*grocksdb.Options{
optsMeta,
optsNodes,
optsRoots,
optsNodes,
optsNodes,
},
Expand All @@ -210,7 +220,7 @@ func New(cfg *api.Config) (api.NodeDB, error) {
},
[]*grocksdb.Options{
optsMeta,
optsNodes,
optsRoots,
optsNodes,
optsNodes,
},
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