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Problem: production rocksdb configuration is not optimal (#813)
* Problem: production rocksdb configuration is not optimal Solution: - update related dependencies to allow customize rocksdb options. - especially using rocksdb v7. - tune rocksdb options. * Update Makefile Signed-off-by: yihuang <huang@crypto.com> * remove rocksdb from niv * rocksdb options * update flake * fix build * create_if_missing * OptimizeLevelStyleCompaction and IncreaseParallelism * remove SetLevelCompactionDynamicLevelBytes and add BlockCache * fix integration test * comments Signed-off-by: yihuang <huang@crypto.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| //go:build !rocksdb | ||
| // +build !rocksdb | ||
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| package cmd | ||
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| import ( | ||
| "path/filepath" | ||
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| dbm "github.com/tendermint/tm-db" | ||
| ) | ||
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| func openDB(rootDir string, backendType dbm.BackendType) (dbm.DB, error) { | ||
| dataDir := filepath.Join(rootDir, "data") | ||
| return dbm.NewDB("application", backendType, dataDir) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| //go:build rocksdb | ||
| // +build rocksdb | ||
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| package cmd | ||
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| import ( | ||
| "path/filepath" | ||
| "runtime" | ||
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| "github.com/linxGnu/grocksdb" | ||
| dbm "github.com/tendermint/tm-db" | ||
| ) | ||
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| func openDB(rootDir string, backendType dbm.BackendType) (dbm.DB, error) { | ||
| dataDir := filepath.Join(rootDir, "data") | ||
| if backendType == dbm.RocksDBBackend { | ||
| // customize rocksdb options | ||
| db, err := grocksdb.OpenDb(newRocksdbOptions(), filepath.Join(dataDir, "application.db")) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| ro := grocksdb.NewDefaultReadOptions() | ||
| wo := grocksdb.NewDefaultWriteOptions() | ||
| woSync := grocksdb.NewDefaultWriteOptions() | ||
| woSync.SetSync(true) | ||
| return dbm.NewRocksDBWithRawDB(db, ro, wo, woSync), nil | ||
| } else { | ||
| return dbm.NewDB("application", backendType, dataDir) | ||
| } | ||
| } | ||
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| func newRocksdbOptions() *grocksdb.Options { | ||
| opts := grocksdb.NewDefaultOptions() | ||
| opts.SetCreateIfMissing(true) | ||
| opts.IncreaseParallelism(runtime.NumCPU()) | ||
| opts.OptimizeLevelStyleCompaction(512 * 1024 * 1024) | ||
| opts.SetTargetFileSizeMultiplier(2) | ||
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| // block based table options | ||
| bbto := grocksdb.NewDefaultBlockBasedTableOptions() | ||
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| // 1G block cache | ||
| bbto.SetBlockCache(grocksdb.NewLRUCache(1 << 30)) | ||
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| // larger block means smaller index and better compression ratio. | ||
| bbto.SetBlockSize(32 * 1024) | ||
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| // http://rocksdb.org/blog/2021/12/29/ribbon-filter.html | ||
| bbto.SetFilterPolicy(grocksdb.NewRibbonHybridFilterPolicy(9.9, 1)) | ||
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| // partition index | ||
| // http://rocksdb.org/blog/2017/05/12/partitioned-index-filter.html | ||
| bbto.SetIndexType(grocksdb.KTwoLevelIndexSearchIndexType) | ||
| bbto.SetPartitionFilters(true) | ||
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| // hash index is better for iavl tree which mostly do point lookup. | ||
| bbto.SetDataBlockIndexType(grocksdb.KDataBlockIndexTypeBinarySearchAndHash) | ||
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| opts.SetBlockBasedTableFactory(bbto) | ||
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| // in iavl tree, we almost always query existing keys | ||
| opts.SetOptimizeFiltersForHits(true) | ||
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| // heavier compression option at bottommost level, | ||
| // 110k dict bytes is default in zstd library, | ||
| // train bytes is recommended to be set at 100x dict bytes. | ||
| opts.SetBottommostCompression(grocksdb.ZSTDCompression) | ||
| compressOpts := grocksdb.NewDefaultCompressionOptions() | ||
| compressOpts.MaxDictBytes = 110 * 1024 | ||
| compressOpts.Level = 12 | ||
| opts.SetBottommostCompressionOptions(compressOpts, true) | ||
| opts.SetBottommostCompressionOptionsZstdMaxTrainBytes(compressOpts.MaxDictBytes*100, true) | ||
| return opts | ||
| } |
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