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OpenSearch
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automatically clean indices that no longer exists in the metadata, this can happen if we delete a closed index, or when a node joins a cluster, that no longer has those indices

This commit is contained in:
kimchy 2011-04-14 21:15:55 +03:00
parent 897587f981
commit bba7179eeb
2 changed files with 29 additions and 2 deletions
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6
modules/elasticsearch/src/main/java/org/elasticsearch/env/NodeEnvironment.java vendored
View File

@ -105,8 +105,12 @@ public class NodeEnvironment extends AbstractComponent {
return nodeFile;
}
public File indicesLocation() {
return new File(nodeDataLocation(), "indices");
}
public File indexLocation(Index index) {
return new File(new File(nodeDataLocation(), "indices"), index.name());
return new File(indicesLocation(), index.name());
}
public File shardLocation(ShardId shardId) {

25
modules/elasticsearch/src/main/java/org/elasticsearch/indices/store/IndicesStore.java
View File

@ -28,21 +28,28 @@ import org.elasticsearch.cluster.routing.RoutingTable;
import org.elasticsearch.cluster.routing.ShardRoutingState;
import org.elasticsearch.common.component.AbstractComponent;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.io.FileSystemUtils;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.env.NodeEnvironment;
import org.elasticsearch.index.service.IndexService;
import org.elasticsearch.indices.IndicesService;
import java.io.File;
/**
* @author kimchy (shay.banon)
*/
public class IndicesStore extends AbstractComponent implements ClusterStateListener {
private final NodeEnvironment nodeEnv;
private final IndicesService indicesService;
private final ClusterService clusterService;
@Inject public IndicesStore(Settings settings, IndicesService indicesService, ClusterService clusterService) {
@Inject public IndicesStore(Settings settings, NodeEnvironment nodeEnv, IndicesService indicesService, ClusterService clusterService) {
super(settings);
this.nodeEnv = nodeEnv;
this.indicesService = indicesService;
this.clusterService = clusterService;
clusterService.add(this);
@ -94,5 +101,21 @@ public class IndicesStore extends AbstractComponent implements ClusterStateListe
}
}
}
// do the reverse, and delete dangling indices that might remain on that node
// this can happen when deleting a closed index, or when a node joins and it has deleted indices
if (nodeEnv.hasNodeFile()) {
File[] files = nodeEnv.indicesLocation().listFiles();
if (files != null) {
for (File file : files) {
// if we have the index on the metadata, don't delete it
if (event.state().metaData().hasIndex(file.getName())) {
continue;
}
logger.debug("[{}] deleting index that is no longer in the cluster meta_date", file.getName());
FileSystemUtils.deleteRecursively(file);
}
}
}
}
}