rocketmq-store 0.6.0

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
use once_cell::sync::Lazy;
use sysinfo::System;

pub struct StoreUtil;

pub static TOTAL_PHYSICAL_MEMORY_SIZE: Lazy<u64> =
    Lazy::new(StoreUtil::get_total_physical_memory_size);

impl StoreUtil {
    pub fn get_total_physical_memory_size() -> u64 {
        let mut sys = System::new_all();
        sys.refresh_all();
        let physical_total = sys.total_memory();
        physical_total * 1024 // Convert from kilobytes to bytes
    }
}