openethereum/parity/db/rocksdb/helpers.rs

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// Copyright 2015-2019 Parity Technologies (UK) Ltd.
// This file is part of Parity Ethereum.
// Parity Ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity Ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity Ethereum. If not, see <http://www.gnu.org/licenses/>.
use super::kvdb_rocksdb::{CompactionProfile, DatabaseConfig};
use ethcore::client::{ClientConfig, DatabaseCompactionProfile};
use ethcore_db::NUM_COLUMNS;
use std::path::Path;
pub fn compaction_profile(
profile: &DatabaseCompactionProfile,
db_path: &Path,
) -> CompactionProfile {
match profile {
&DatabaseCompactionProfile::Auto => CompactionProfile::auto(db_path),
&DatabaseCompactionProfile::SSD => CompactionProfile::ssd(),
&DatabaseCompactionProfile::HDD => CompactionProfile::hdd(),
}
}
pub fn client_db_config(client_path: &Path, client_config: &ClientConfig) -> DatabaseConfig {
let mut client_db_config = DatabaseConfig::with_columns(NUM_COLUMNS);
client_db_config.memory_budget = client_config.db_cache_size;
client_db_config.compaction = compaction_profile(&client_config.db_compaction, &client_path);
client_db_config
}