func (engine *RocksDbEngine) Init(config *proto.DBConfigs) error {
if config == nil {
return proto.ErrNoEngineConfig
}
if config.RocksDbConfigs == nil {
config.RocksDbConfigs = DefaultRocksDbConf
}
options := ratgo.NewOptions()
// options.SetCreateIfMissing(config.RocksDbConfigs.CreateIfMissing)
options.SetCreateIfMissing(true)
options.SetParanoidChecks(config.RocksDbConfigs.ParanoidCheck)
if config.RocksDbConfigs.LRUCacheSize > 0 {
options.SetCache(ratgo.NewLRUCache(config.RocksDbConfigs.LRUCacheSize))
}
if config.RocksDbConfigs.BloomFilterLength > 0 {
options.SetFilterPolicy(ratgo.NewBloomFilter(config.RocksDbConfigs.BloomFilterLength))
}
engine.config = config
engine.dbOptions = options
db, err := ratgo.Open(engine.config.DataPath, engine.dbOptions)
if err != nil {
return err
}
engine.db = db
return nil
}
