org.elasticsearch.index.store.memory.ByteBufferIndexStore Maven / Gradle / Ivy
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* the Apache License, Version 2.0 (the "License"); you may
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*
* 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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* specific language governing permissions and limitations
* under the License.
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package org.elasticsearch.index.store.memory;
import org.elasticsearch.cache.memory.ByteBufferCache;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.ByteSizeUnit;
import org.elasticsearch.common.unit.ByteSizeValue;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.service.IndexService;
import org.elasticsearch.index.settings.IndexSettings;
import org.elasticsearch.index.store.DirectoryService;
import org.elasticsearch.index.store.support.AbstractIndexStore;
import org.elasticsearch.indices.store.IndicesStore;
import org.elasticsearch.monitor.jvm.JvmInfo;
import org.elasticsearch.monitor.jvm.JvmStats;
/**
*
*/
public class ByteBufferIndexStore extends AbstractIndexStore {
private final boolean direct;
@Inject
public ByteBufferIndexStore(Index index, @IndexSettings Settings indexSettings, IndexService indexService,
ByteBufferCache byteBufferCache, IndicesStore indicesStore) {
super(index, indexSettings, indexService, indicesStore);
this.direct = byteBufferCache.direct();
}
@Override
public boolean persistent() {
return false;
}
@Override
public Class shardDirectory() {
return ByteBufferDirectoryService.class;
}
@Override
public ByteSizeValue backingStoreTotalSpace() {
if (direct) {
// TODO, we can use sigar...
return new ByteSizeValue(-1, ByteSizeUnit.BYTES);
}
return JvmInfo.jvmInfo().mem().heapMax();
}
@Override
public ByteSizeValue backingStoreFreeSpace() {
if (direct) {
return new ByteSizeValue(-1, ByteSizeUnit.BYTES);
}
return JvmStats.jvmStats().mem().heapUsed();
}
}