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badger_database_configuration.go
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badger_database_configuration.go
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// Copyright 2020 Coinbase, Inc.
//
// 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 database
import (
"github.com/dgraph-io/badger/v2"
"github.com/coinbase/rosetta-sdk-go/storage/encoder"
)
// BadgerOption is used to overwrite default values in
// BadgerDatabase construction. Any Option not provided
// falls back to the default value.
type BadgerOption func(b *BadgerDatabase)
// WithCompressorEntries provides zstd dictionaries
// for given namespaces.
func WithCompressorEntries(entries []*encoder.CompressorEntry) BadgerOption {
return func(b *BadgerDatabase) {
b.compress = true
b.compressorEntries = entries
}
}
// WithoutCompression disables zstd compression.
func WithoutCompression() BadgerOption {
return func(b *BadgerDatabase) {
b.compress = false
}
}
// WithIndexCacheSize override the DefaultIndexCacheSize
// setting for the BadgerDB. The size here is in bytes.
// If you provide custom BadgerDB settings, do not use this
// config as it will be overridden by your custom settings.
func WithIndexCacheSize(size int64) BadgerOption {
return func(b *BadgerDatabase) {
b.badgerOptions.IndexCacheSize = size
}
}
// WithTableSize override the MaxTableSize
// setting for the BadgerDB. The size here is in GB.
func WithTableSize(size int64) BadgerOption {
size = size << 30 // nolint
return func(b *BadgerDatabase) {
b.badgerOptions.MaxTableSize = size
}
}
// WithTableSize override the ValueLogFileSize
// setting for the BadgerDB. The size here is in MB.
func WithValueLogFileSize(size int64) BadgerOption {
size = size << 20 // nolint
return func(b *BadgerDatabase) {
b.badgerOptions.ValueLogFileSize = size
}
}
// WithCustomSettings allows for overriding all default BadgerDB
// options with custom settings.
func WithCustomSettings(settings badger.Options) BadgerOption {
return func(b *BadgerDatabase) {
b.badgerOptions = settings
}
}
// WithWriterShards overrides the default shards used
// in the writer utils.MutexMap. It is recommended
// to set this value to your write concurrency to prevent
// lock contention.
func WithWriterShards(shards int) BadgerOption {
return func(b *BadgerDatabase) {
b.writerShards = shards
}
}
// add a info map to BadgerDatabase
func WithMetaData(metaData string) BadgerOption {
return func(b *BadgerDatabase) {
b.metaData = metaData
}
}