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// Copyright 2016 The Bazel Authors. All rights reserved.
//
// 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 com.google.devtools.build.lib.actions;
/**
* This class provide a fallback of the local host's resource capacity.
*/
public class LocalHostResourceFallback {
/* If /proc/* information is not available, guess based on what the JVM thinks. Anecdotally,
* the JVM picks 0.22 the total available memory as maxMemory (tested on a standard Mac), so
* multiply by 3, and divide by 2^20 because we want megabytes.
*/
private static final ResourceSet DEFAULT_RESOURCES =
ResourceSet.create(
3.0 * (Runtime.getRuntime().maxMemory() >> 20),
Runtime.getRuntime().availableProcessors(),
1.0,
Integer.MAX_VALUE);
public static ResourceSet getLocalHostResources() {
return DEFAULT_RESOURCES;
}
}
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