org.elasticsearch.gateway.fs.FsGateway Maven / Gradle / Ivy
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* the Apache License, Version 2.0 (the "License"); you may
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* 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
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package org.elasticsearch.gateway.fs;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.cluster.ClusterName;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.common.blobstore.fs.FsBlobStore;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.inject.Module;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.concurrent.EsExecutors;
import org.elasticsearch.env.Environment;
import org.elasticsearch.gateway.blobstore.BlobStoreGateway;
import org.elasticsearch.index.gateway.fs.FsIndexGatewayModule;
import org.elasticsearch.threadpool.ThreadPool;
import java.io.File;
import java.io.IOException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;
/**
*
*/
public class FsGateway extends BlobStoreGateway {
private final ExecutorService concurrentStreamPool;
@Inject
public FsGateway(Settings settings, ThreadPool threadPool, ClusterService clusterService,
Environment environment, ClusterName clusterName) throws IOException {
super(settings, threadPool, clusterService);
File gatewayFile;
String location = componentSettings.get("location");
if (location == null) {
logger.warn("using local fs location for gateway, should be changed to be a shared location across nodes");
gatewayFile = new File(environment.dataFiles()[0], "gateway");
} else {
gatewayFile = new File(location);
}
int concurrentStreams = componentSettings.getAsInt("concurrent_streams", 5);
this.concurrentStreamPool = EsExecutors.newScaling(1, concurrentStreams, 60, TimeUnit.SECONDS, EsExecutors.daemonThreadFactory(settings, "[fs_stream]"));
initialize(new FsBlobStore(componentSettings, concurrentStreamPool, gatewayFile), clusterName, null);
}
@Override
public String type() {
return "fs";
}
@Override
public Class suggestIndexGateway() {
return FsIndexGatewayModule.class;
}
@Override
protected void doClose() throws ElasticsearchException {
super.doClose();
concurrentStreamPool.shutdown();
}
}