/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.node;
import org.elasticsearch.cluster.ClusterName;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.env.Environment;
import org.elasticsearch.env.FailedToResolveConfigException;
import java.net.URL;
public class NodeSettings {
/**
* Crate default settings
*
* @return
*/
public static void applyDefaultSettings(ImmutableSettings.Builder settingsBuilder) {
// read also from crate.yml by default if no other config path has been set
// if there is also a elasticsearch.yml file this file will be read first and the settings in crate.yml
// will overwrite them.
Environment environment = new Environment(settingsBuilder.build());
if (System.getProperty("es.config") == null && System.getProperty("elasticsearch.config") == null) {
// no explicit config path set
try {
URL crateConfigUrl = environment.resolveConfig("crate.yml");
settingsBuilder.loadFromUrl(crateConfigUrl);
} catch (FailedToResolveConfigException e) {
// ignore
}
}
// Set the default cluster name if not explicitly defined
if (settingsBuilder.get(ClusterName.SETTING).equals(ClusterName.DEFAULT.value())) {
settingsBuilder.put("cluster.name", "crate");
}
int availableProcessors = Math.min(32, Runtime.getRuntime().availableProcessors());
int halfProcMaxAt10 = Math.min(((availableProcessors + 1) / 2), 10);
settingsBuilder.put("threadpool.generic.size", halfProcMaxAt10);
}
}