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Make rocksdb configurable
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evgeniy-scherbina committed Aug 4, 2023
1 parent 667b6d0 commit 6eb3072
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Showing 9 changed files with 566 additions and 15 deletions.
2 changes: 1 addition & 1 deletion .github/workflows/ci-rocksdb-build.yml
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,6 @@ jobs:
- name: build rocksdb dependency
run: bash ${GITHUB_WORKSPACE}/.github/scripts/install-rocksdb.sh
env:
ROCKSDB_VERSION: v7.10.2
ROCKSDB_VERSION: v8.1.1
- name: build application
run: make build COSMOS_BUILD_OPTIONS=rocksdb
2 changes: 1 addition & 1 deletion Dockerfile-rocksdb
Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ WORKDIR /root
# default home directory is /root

# install rocksdb
ARG rocksdb_version=v7.10.2
ARG rocksdb_version=v8.1.1
ENV ROCKSDB_VERSION=$rocksdb_version

RUN git clone https://github.com/facebook/rocksdb.git \
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11 changes: 7 additions & 4 deletions cmd/kava/cmd/root.go
Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ import (
"github.com/kava-labs/kava/app"
"github.com/kava-labs/kava/app/params"
kavaclient "github.com/kava-labs/kava/client"
"github.com/kava-labs/kava/cmd/kava/opendb"
)

// EnvPrefix is the prefix environment variables must have to configure the app.
Expand Down Expand Up @@ -105,13 +106,15 @@ func addSubCmds(rootCmd *cobra.Command, encodingConfig params.EncodingConfig, de
encodingConfig: encodingConfig,
}

opts := ethermintserver.StartOptions{
AppCreator: ac.newApp,
DefaultNodeHome: app.DefaultNodeHome,
DBOpener: opendb.OpenDB,
}
// ethermintserver adds additional flags to start the JSON-RPC server for evm support
ethermintserver.AddCommands(
rootCmd,
ethermintserver.NewDefaultStartOptions(
ac.newApp,
app.DefaultNodeHome,
),
opts,
ac.appExport,
ac.addStartCmdFlags,
)
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18 changes: 18 additions & 0 deletions cmd/kava/opendb/opendb.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
//go:build !rocksdb
// +build !rocksdb

package opendb

import (
"path/filepath"

"github.com/cosmos/cosmos-sdk/server/types"
dbm "github.com/tendermint/tm-db"
)

// OpenDB is a copy of default DBOpener function used by ethermint, see for details:
// https://github.com/evmos/ethermint/blob/07cf2bd2b1ce9bdb2e44ec42a39e7239292a14af/server/start.go#L647
func OpenDB(_ types.AppOptions, home string, backendType dbm.BackendType) (dbm.DB, error) {
dataDir := filepath.Join(home, "data")
return dbm.NewDB("application", backendType, dataDir)
}
170 changes: 170 additions & 0 deletions cmd/kava/opendb/opendb_rocksdb.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,170 @@
//go:build rocksdb
// +build rocksdb

// Copyright 2023 Kava Labs, Inc.
// Copyright 2023 Cronos Labs, Inc.
//
// Derived from https://github.com/crypto-org-chain/cronos@496ce7e
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package opendb

import (
"errors"
"fmt"
"os"
"path/filepath"
"runtime"
"strings"

"github.com/cosmos/cosmos-sdk/server/types"
"github.com/linxGnu/grocksdb"
"github.com/spf13/cast"
dbm "github.com/tendermint/tm-db"
)

var ErrUnexpectedConfiguration = errors.New("unexpected rocksdb configuration, rocksdb should have only one column family named default")

const (
// default tm-db block cache size for RocksDB
blockCacheSize = 1 << 30

defaultColumnFamilyName = "default"

maxOpenFilesDBOptName = "max_open_files"
maxFileOpeningThreadsDBOptName = "max_file_opening_threads"

writeBufferSizeCFOptName = "write_buffer_size"
numLevelsCFOptName = "num_levels"
)

func OpenDB(appOpts types.AppOptions, home string, backendType dbm.BackendType) (dbm.DB, error) {
dataDir := filepath.Join(home, "data")
if backendType == dbm.RocksDBBackend {
return openRocksdb(filepath.Join(dataDir, "application.db"), appOpts)
}

return dbm.NewDB("application", backendType, dataDir)
}

// openRocksdb loads existing options, overrides some of them with appOpts and opens database
// option will be overridden only in case if it explicitly specified in appOpts
func openRocksdb(dir string, appOpts types.AppOptions) (dbm.DB, error) {
dbOpts, cfOpts, err := loadLatestOptions(dir)
if err != nil {
return nil, err
}
// customize rocksdb options
dbOpts = overrideDBOpts(dbOpts, appOpts)
cfOpts = overrideCFOpts(cfOpts, appOpts)

return newRocksDBWithOptions("application", dir, dbOpts, cfOpts)
}

// loadLatestOptions loads and returns database and column family options
// if options file not found, it means database isn't created yet, in such case default tm-db options will be returned
// if database exists it should have only one column family named default
func loadLatestOptions(dir string) (*grocksdb.Options, *grocksdb.Options, error) {
latestOpts, err := grocksdb.LoadLatestOptions(dir, grocksdb.NewDefaultEnv(), true, grocksdb.NewLRUCache(blockCacheSize))
if err != nil && strings.HasPrefix(err.Error(), "NotFound: ") {
return newDefaultOptions(), newDefaultOptions(), nil
}
if err != nil {
return nil, nil, err
}

cfNames := latestOpts.ColumnFamilyNames()
cfOpts := latestOpts.ColumnFamilyOpts()
// db should have only one column family named default
ok := len(cfNames) == 1 && cfNames[0] == defaultColumnFamilyName
if !ok {
return nil, nil, ErrUnexpectedConfiguration
}

// return db and cf opts
return latestOpts.Options(), &cfOpts[0], nil
}

// overrideDBOpts merges dbOpts and appOpts, appOpts takes precedence
func overrideDBOpts(dbOpts *grocksdb.Options, appOpts types.AppOptions) *grocksdb.Options {
maxOpenFiles := appOpts.Get(maxOpenFilesDBOptName)
if maxOpenFiles != nil {
dbOpts.SetMaxOpenFiles(cast.ToInt(maxOpenFiles))
}

maxFileOpeningThreads := appOpts.Get(maxFileOpeningThreadsDBOptName)
if maxFileOpeningThreads != nil {
dbOpts.SetMaxFileOpeningThreads(cast.ToInt(maxFileOpeningThreads))
}

return dbOpts
}

// overrideCFOpts merges cfOpts and appOpts, appOpts takes precedence
func overrideCFOpts(cfOpts *grocksdb.Options, appOpts types.AppOptions) *grocksdb.Options {
writeBufferSize := appOpts.Get(writeBufferSizeCFOptName)
if writeBufferSize != nil {
cfOpts.SetWriteBufferSize(cast.ToUint64(writeBufferSize))
}

numLevels := appOpts.Get(numLevelsCFOptName)
if numLevels != nil {
cfOpts.SetNumLevels(cast.ToInt(numLevels))
}

return cfOpts
}

// newRocksDBWithOptions opens rocksdb with provided database and column family options
// newRocksDBWithOptions expects that db has only one column family named default
func newRocksDBWithOptions(name string, dir string, dbOpts, cfOpts *grocksdb.Options) (*dbm.RocksDB, error) {
dbPath := filepath.Join(dir, name+".db")

// Ensure path exists
if err := os.MkdirAll(dbPath, 0755); err != nil {
return nil, fmt.Errorf("failed to create db path: %w", err)
}

db, _, err := grocksdb.OpenDbColumnFamilies(dbOpts, dbPath, []string{defaultColumnFamilyName}, []*grocksdb.Options{cfOpts})
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
}

// newDefaultOptions returns default tm-db options for RocksDB, see for details:
// https://github.com/Kava-Labs/tm-db/blob/94ff76d31724965f8883cddebabe91e0d01bc03f/rocksdb.go#L30
func newDefaultOptions() *grocksdb.Options {
// default rocksdb option, good enough for most cases, including heavy workloads.
// 1GB table cache, 512MB write buffer(may use 50% more on heavy workloads).
// compression: snappy as default, need to -lsnappy to enable.
bbto := grocksdb.NewDefaultBlockBasedTableOptions()
bbto.SetBlockCache(grocksdb.NewLRUCache(1 << 30))
bbto.SetFilterPolicy(grocksdb.NewBloomFilter(10))

opts := grocksdb.NewDefaultOptions()
opts.SetBlockBasedTableFactory(bbto)
// SetMaxOpenFiles to 4096 seems to provide a reliable performance boost
opts.SetMaxOpenFiles(4096)
opts.SetCreateIfMissing(true)
opts.IncreaseParallelism(runtime.NumCPU())
// 1.5GB maximum memory use for writebuffer.
opts.OptimizeLevelStyleCompaction(512 * 1024 * 1024)

return opts
}
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