mirror of
https://github.com/0glabs/0g-chain.git
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385 lines
13 KiB
Go
385 lines
13 KiB
Go
//go:build rocksdb
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// +build rocksdb
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// Copyright 2023 Kava Labs, Inc.
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// Copyright 2023 Cronos Labs, Inc.
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//
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// Derived from https://github.com/crypto-org-chain/cronos@496ce7e
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package opendb
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import (
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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"time"
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"github.com/cosmos/cosmos-sdk/server/types"
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"github.com/linxGnu/grocksdb"
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"github.com/spf13/cast"
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dbm "github.com/tendermint/tm-db"
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)
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var ErrUnexpectedConfiguration = errors.New("unexpected rocksdb configuration, rocksdb should have only one column family named default")
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const (
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// default tm-db block cache size for RocksDB
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defaultBlockCacheSize = 1 << 30
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defaultColumnFamilyName = "default"
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enableMetricsOptName = "rocksdb.enable-metrics"
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reportMetricsIntervalSecsOptName = "rocksdb.report-metrics-interval-secs"
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defaultReportMetricsIntervalSecs = 15
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maxOpenFilesDBOptName = "rocksdb.max-open-files"
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maxFileOpeningThreadsDBOptName = "rocksdb.max-file-opening-threads"
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tableCacheNumshardbitsDBOptName = "rocksdb.table_cache_numshardbits"
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allowMMAPWritesDBOptName = "rocksdb.allow_mmap_writes"
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allowMMAPReadsDBOptName = "rocksdb.allow_mmap_reads"
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useFsyncDBOptName = "rocksdb.use_fsync"
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useAdaptiveMutexDBOptName = "rocksdb.use_adaptive_mutex"
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bytesPerSyncDBOptName = "rocksdb.bytes_per_sync"
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maxBackgroundJobsDBOptName = "rocksdb.max-background-jobs"
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writeBufferSizeCFOptName = "rocksdb.write-buffer-size"
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numLevelsCFOptName = "rocksdb.num-levels"
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maxWriteBufferNumberCFOptName = "rocksdb.max_write_buffer_number"
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minWriteBufferNumberToMergeCFOptName = "rocksdb.min_write_buffer_number_to_merge"
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maxBytesForLevelBaseCFOptName = "rocksdb.max_bytes_for_level_base"
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maxBytesForLevelMultiplierCFOptName = "rocksdb.max_bytes_for_level_multiplier"
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targetFileSizeBaseCFOptName = "rocksdb.target_file_size_base"
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targetFileSizeMultiplierCFOptName = "rocksdb.target_file_size_multiplier"
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level0FileNumCompactionTriggerCFOptName = "rocksdb.level0_file_num_compaction_trigger"
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level0SlowdownWritesTriggerCFOptName = "rocksdb.level0_slowdown_writes_trigger"
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blockCacheSizeBBTOOptName = "rocksdb.block_cache_size"
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bitsPerKeyBBTOOptName = "rocksdb.bits_per_key"
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blockSizeBBTOOptName = "rocksdb.block_size"
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cacheIndexAndFilterBlocksBBTOOptName = "rocksdb.cache_index_and_filter_blocks"
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pinL0FilterAndIndexBlocksInCacheBBTOOptName = "rocksdb.pin_l0_filter_and_index_blocks_in_cache"
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formatVersionBBTOOptName = "rocksdb.format_version"
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)
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func OpenDB(appOpts types.AppOptions, home string, backendType dbm.BackendType) (dbm.DB, error) {
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dataDir := filepath.Join(home, "data")
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if backendType == dbm.RocksDBBackend {
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return openRocksdb(filepath.Join(dataDir, "application.db"), appOpts)
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}
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return dbm.NewDB("application", backendType, dataDir)
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}
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// openRocksdb loads existing options, overrides some of them with appOpts and opens database
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// option will be overridden only in case if it explicitly specified in appOpts
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func openRocksdb(dir string, appOpts types.AppOptions) (dbm.DB, error) {
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dbOpts, cfOpts, err := loadLatestOptions(dir)
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if err != nil {
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return nil, err
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}
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// customize rocksdb options
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bbtoOpts := bbtoFromAppOpts(appOpts)
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dbOpts.SetBlockBasedTableFactory(bbtoOpts)
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cfOpts.SetBlockBasedTableFactory(bbtoOpts)
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dbOpts = overrideDBOpts(dbOpts, appOpts)
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cfOpts = overrideCFOpts(cfOpts, appOpts)
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enableMetrics := cast.ToBool(appOpts.Get(enableMetricsOptName))
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reportMetricsIntervalSecs := cast.ToInt64(appOpts.Get(reportMetricsIntervalSecsOptName))
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if reportMetricsIntervalSecs == 0 {
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reportMetricsIntervalSecs = defaultReportMetricsIntervalSecs
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}
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return newRocksDBWithOptions("application", dir, dbOpts, cfOpts, enableMetrics, reportMetricsIntervalSecs)
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}
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// loadLatestOptions loads and returns database and column family options
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// if options file not found, it means database isn't created yet, in such case default tm-db options will be returned
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// if database exists it should have only one column family named default
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func loadLatestOptions(dir string) (*grocksdb.Options, *grocksdb.Options, error) {
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latestOpts, err := grocksdb.LoadLatestOptions(dir, grocksdb.NewDefaultEnv(), true, grocksdb.NewLRUCache(defaultBlockCacheSize))
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if err != nil && strings.HasPrefix(err.Error(), "NotFound: ") {
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return newDefaultOptions(), newDefaultOptions(), nil
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}
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if err != nil {
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return nil, nil, err
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}
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cfNames := latestOpts.ColumnFamilyNames()
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cfOpts := latestOpts.ColumnFamilyOpts()
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// db should have only one column family named default
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ok := len(cfNames) == 1 && cfNames[0] == defaultColumnFamilyName
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if !ok {
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return nil, nil, ErrUnexpectedConfiguration
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}
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// return db and cf opts
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return latestOpts.Options(), &cfOpts[0], nil
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}
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// overrideDBOpts merges dbOpts and appOpts, appOpts takes precedence
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func overrideDBOpts(dbOpts *grocksdb.Options, appOpts types.AppOptions) *grocksdb.Options {
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maxOpenFiles := appOpts.Get(maxOpenFilesDBOptName)
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if maxOpenFiles != nil {
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dbOpts.SetMaxOpenFiles(cast.ToInt(maxOpenFiles))
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}
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maxFileOpeningThreads := appOpts.Get(maxFileOpeningThreadsDBOptName)
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if maxFileOpeningThreads != nil {
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dbOpts.SetMaxFileOpeningThreads(cast.ToInt(maxFileOpeningThreads))
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}
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tableCacheNumshardbits := appOpts.Get(tableCacheNumshardbitsDBOptName)
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if tableCacheNumshardbits != nil {
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dbOpts.SetTableCacheNumshardbits(cast.ToInt(tableCacheNumshardbits))
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}
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allowMMAPWrites := appOpts.Get(allowMMAPWritesDBOptName)
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if allowMMAPWrites != nil {
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dbOpts.SetAllowMmapWrites(cast.ToBool(allowMMAPWrites))
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}
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allowMMAPReads := appOpts.Get(allowMMAPReadsDBOptName)
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if allowMMAPReads != nil {
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dbOpts.SetAllowMmapReads(cast.ToBool(allowMMAPReads))
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}
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useFsync := appOpts.Get(useFsyncDBOptName)
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if useFsync != nil {
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dbOpts.SetUseFsync(cast.ToBool(useFsync))
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}
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useAdaptiveMutex := appOpts.Get(useAdaptiveMutexDBOptName)
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if useAdaptiveMutex != nil {
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dbOpts.SetUseAdaptiveMutex(cast.ToBool(useAdaptiveMutex))
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}
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bytesPerSync := appOpts.Get(bytesPerSyncDBOptName)
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if bytesPerSync != nil {
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dbOpts.SetBytesPerSync(cast.ToUint64(bytesPerSync))
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}
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maxBackgroundJobs := appOpts.Get(maxBackgroundJobsDBOptName)
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if maxBackgroundJobs != nil {
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dbOpts.SetMaxBackgroundJobs(cast.ToInt(maxBackgroundJobs))
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}
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return dbOpts
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}
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// overrideCFOpts merges cfOpts and appOpts, appOpts takes precedence
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func overrideCFOpts(cfOpts *grocksdb.Options, appOpts types.AppOptions) *grocksdb.Options {
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writeBufferSize := appOpts.Get(writeBufferSizeCFOptName)
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if writeBufferSize != nil {
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cfOpts.SetWriteBufferSize(cast.ToUint64(writeBufferSize))
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}
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numLevels := appOpts.Get(numLevelsCFOptName)
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if numLevels != nil {
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cfOpts.SetNumLevels(cast.ToInt(numLevels))
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}
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maxWriteBufferNumber := appOpts.Get(maxWriteBufferNumberCFOptName)
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if maxWriteBufferNumber != nil {
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cfOpts.SetMaxWriteBufferNumber(cast.ToInt(maxWriteBufferNumber))
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}
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minWriteBufferNumberToMerge := appOpts.Get(minWriteBufferNumberToMergeCFOptName)
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if minWriteBufferNumberToMerge != nil {
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cfOpts.SetMinWriteBufferNumberToMerge(cast.ToInt(minWriteBufferNumberToMerge))
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}
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maxBytesForLevelBase := appOpts.Get(maxBytesForLevelBaseCFOptName)
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if maxBytesForLevelBase != nil {
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cfOpts.SetMaxBytesForLevelBase(cast.ToUint64(maxBytesForLevelBase))
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}
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maxBytesForLevelMultiplier := appOpts.Get(maxBytesForLevelMultiplierCFOptName)
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if maxBytesForLevelMultiplier != nil {
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cfOpts.SetMaxBytesForLevelMultiplier(cast.ToFloat64(maxBytesForLevelMultiplier))
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}
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targetFileSizeBase := appOpts.Get(targetFileSizeBaseCFOptName)
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if targetFileSizeBase != nil {
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cfOpts.SetTargetFileSizeBase(cast.ToUint64(targetFileSizeBase))
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}
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targetFileSizeMultiplier := appOpts.Get(targetFileSizeMultiplierCFOptName)
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if targetFileSizeMultiplier != nil {
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cfOpts.SetTargetFileSizeMultiplier(cast.ToInt(targetFileSizeMultiplier))
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}
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level0FileNumCompactionTrigger := appOpts.Get(level0FileNumCompactionTriggerCFOptName)
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if level0FileNumCompactionTrigger != nil {
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cfOpts.SetLevel0FileNumCompactionTrigger(cast.ToInt(level0FileNumCompactionTrigger))
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}
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level0SlowdownWritesTrigger := appOpts.Get(level0SlowdownWritesTriggerCFOptName)
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if level0SlowdownWritesTrigger != nil {
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cfOpts.SetLevel0SlowdownWritesTrigger(cast.ToInt(level0SlowdownWritesTrigger))
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}
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return cfOpts
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}
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func bbtoFromAppOpts(appOpts types.AppOptions) *grocksdb.BlockBasedTableOptions {
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bbto := defaultBBTO()
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blockCacheSize := appOpts.Get(blockCacheSizeBBTOOptName)
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if blockCacheSize != nil {
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cache := grocksdb.NewLRUCache(cast.ToUint64(blockCacheSize))
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bbto.SetBlockCache(cache)
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}
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bitsPerKey := appOpts.Get(bitsPerKeyBBTOOptName)
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if bitsPerKey != nil {
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filter := grocksdb.NewBloomFilter(cast.ToFloat64(bitsPerKey))
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bbto.SetFilterPolicy(filter)
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}
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blockSize := appOpts.Get(blockSizeBBTOOptName)
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if blockSize != nil {
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bbto.SetBlockSize(cast.ToInt(blockSize))
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}
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cacheIndexAndFilterBlocks := appOpts.Get(cacheIndexAndFilterBlocksBBTOOptName)
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if cacheIndexAndFilterBlocks != nil {
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bbto.SetCacheIndexAndFilterBlocks(cast.ToBool(cacheIndexAndFilterBlocks))
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}
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pinL0FilterAndIndexBlocksInCache := appOpts.Get(pinL0FilterAndIndexBlocksInCacheBBTOOptName)
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if pinL0FilterAndIndexBlocksInCache != nil {
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bbto.SetPinL0FilterAndIndexBlocksInCache(cast.ToBool(pinL0FilterAndIndexBlocksInCache))
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}
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formatVersion := appOpts.Get(formatVersionBBTOOptName)
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if formatVersion != nil {
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bbto.SetFormatVersion(cast.ToInt(formatVersion))
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}
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return bbto
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}
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// newRocksDBWithOptions opens rocksdb with provided database and column family options
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// newRocksDBWithOptions expects that db has only one column family named default
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func newRocksDBWithOptions(
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name string,
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dir string,
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dbOpts *grocksdb.Options,
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cfOpts *grocksdb.Options,
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enableMetrics bool,
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reportMetricsIntervalSecs int64,
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) (*dbm.RocksDB, error) {
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dbPath := filepath.Join(dir, name+".db")
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// Ensure path exists
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if err := os.MkdirAll(dbPath, 0755); err != nil {
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return nil, fmt.Errorf("failed to create db path: %w", err)
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}
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// EnableStatistics adds overhead so shouldn't be enabled in production
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if enableMetrics {
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dbOpts.EnableStatistics()
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}
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db, _, err := grocksdb.OpenDbColumnFamilies(dbOpts, dbPath, []string{defaultColumnFamilyName}, []*grocksdb.Options{cfOpts})
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if err != nil {
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return nil, err
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}
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if enableMetrics {
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registerMetrics()
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go reportMetrics(db, time.Second*time.Duration(reportMetricsIntervalSecs))
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}
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ro := grocksdb.NewDefaultReadOptions()
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wo := grocksdb.NewDefaultWriteOptions()
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woSync := grocksdb.NewDefaultWriteOptions()
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woSync.SetSync(true)
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return dbm.NewRocksDBWithRawDB(db, ro, wo, woSync), nil
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}
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// newDefaultOptions returns default tm-db options for RocksDB, see for details:
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// https://github.com/Kava-Labs/tm-db/blob/94ff76d31724965f8883cddebabe91e0d01bc03f/rocksdb.go#L30
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func newDefaultOptions() *grocksdb.Options {
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// default rocksdb option, good enough for most cases, including heavy workloads.
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// 1GB table cache, 512MB write buffer(may use 50% more on heavy workloads).
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// compression: snappy as default, need to -lsnappy to enable.
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bbto := defaultBBTO()
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opts := grocksdb.NewDefaultOptions()
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opts.SetBlockBasedTableFactory(bbto)
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// SetMaxOpenFiles to 4096 seems to provide a reliable performance boost
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opts.SetMaxOpenFiles(4096)
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opts.SetCreateIfMissing(true)
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opts.IncreaseParallelism(runtime.NumCPU())
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// 1.5GB maximum memory use for writebuffer.
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opts.OptimizeLevelStyleCompaction(512 * 1024 * 1024)
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return opts
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}
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// defaultBBTO returns default tm-db bbto options for RocksDB, see for details:
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// https://github.com/Kava-Labs/tm-db/blob/94ff76d31724965f8883cddebabe91e0d01bc03f/rocksdb.go#L30
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func defaultBBTO() *grocksdb.BlockBasedTableOptions {
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bbto := grocksdb.NewDefaultBlockBasedTableOptions()
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bbto.SetBlockCache(grocksdb.NewLRUCache(defaultBlockCacheSize))
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bbto.SetFilterPolicy(grocksdb.NewBloomFilter(10))
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return bbto
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}
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// reportMetrics periodically requests stats from rocksdb and reports to prometheus
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// NOTE: should be launched as a goroutine
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func reportMetrics(db *grocksdb.DB, interval time.Duration) {
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ticker := time.NewTicker(interval)
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for {
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select {
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case <-ticker.C:
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props, stats, err := getPropsAndStats(db)
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if err != nil {
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continue
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}
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rocksdbMetrics.report(props, stats)
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}
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}
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}
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// getPropsAndStats gets statistics from rocksdb
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func getPropsAndStats(db *grocksdb.DB) (*properties, *stats, error) {
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propsLoader := newPropsLoader(db)
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props, err := propsLoader.load()
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if err != nil {
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return nil, nil, err
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}
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statMap, err := parseSerializedStats(props.OptionsStatistics)
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if err != nil {
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return nil, nil, err
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}
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statLoader := newStatLoader(statMap)
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stats, err := statLoader.load()
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if err != nil {
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return nil, nil, err
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}
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return props, stats, nil
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}
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