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Don't replicate document request when using shadow replicas

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This commit is contained in:
Lee Hinman 2015-02-13 11:38:09 -07:00
parent 213292e067
commit e5bc047d7c
2 changed files with 25 additions and 10 deletions
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19
src/main/java/org/elasticsearch/action/support/replication/TransportShardReplicationOperationAction.java
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@ -45,11 +45,11 @@ import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.util.concurrent.AbstractRunnable;
import org.elasticsearch.common.util.concurrent.ConcurrentCollections;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.engine.DocumentAlreadyExistsException;
import org.elasticsearch.index.engine.VersionConflictEngineException;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.index.shard.IndexShard;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.node.NodeClosedException;
import org.elasticsearch.rest.RestStatus;
@ -631,9 +631,22 @@ public abstract class TransportShardReplicationOperationAction<Request extends S
}
final ReplicaOperationRequest shardRequest = new ReplicaOperationRequest(shardIt.shardId(), state.replicaRequest());
// If the replicas use shadow replicas, there is no reason to
// perform the action on the replica, so skip it and
// immediately return
if (IndexMetaData.isIndexUsingShadowReplicas(indexMetaData.settings())) {
// nocommit - this doesn't replicate mappings changes, so can fail if mappings are not predefined
// It was successful on the replica, although we never
// actually executed
state.onReplicaSuccess();
return;
}
if (!nodeId.equals(observer.observedState().nodes().localNodeId())) {
final DiscoveryNode node = observer.observedState().nodes().get(nodeId);
transportService.sendRequest(node, transportReplicaAction, shardRequest, transportOptions, new EmptyTransportResponseHandler(ThreadPool.Names.SAME) {
transportService.sendRequest(node, transportReplicaAction, shardRequest,
transportOptions, new EmptyTransportResponseHandler(ThreadPool.Names.SAME) {
@Override
public void handleResponse(TransportResponse.Empty vResponse) {
state.onReplicaSuccess();

16
src/test/java/org/elasticsearch/index/IndexWithShadowReplicasTests.java
View file

@ -25,13 +25,15 @@ import org.elasticsearch.action.index.IndexRequestBuilder;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.routing.*;
import org.elasticsearch.cluster.routing.GroupShardsIterator;
import org.elasticsearch.cluster.routing.RoutingNode;
import org.elasticsearch.cluster.routing.RoutingNodes;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.test.ElasticsearchIntegrationTest;
import org.elasticsearch.test.InternalTestCluster;
import org.elasticsearch.test.junit.annotations.TestLogging;
import org.junit.Test;
import java.nio.file.Path;
@ -70,7 +72,7 @@ public class IndexWithShadowReplicasTests extends ElasticsearchIntegrationTest {
.put(IndexMetaData.SETTING_SHARED_FILESYSTEM, true)
.build();
prepareCreate(IDX).setSettings(idxSettings).get();
prepareCreate(IDX).setSettings(idxSettings).addMapping("doc", "foo", "type=string").get();
ensureGreen(IDX);
// So basically, the primary should fail and the replica will need to
@ -181,7 +183,7 @@ public class IndexWithShadowReplicasTests extends ElasticsearchIntegrationTest {
.put(IndexMetaData.SETTING_SHARED_FILESYSTEM, true)
.build();
prepareCreate(IDX).setSettings(idxSettings).get();
prepareCreate(IDX).setSettings(idxSettings).addMapping("doc", "foo", "type=string").get();
ensureGreen(IDX);
client().prepareIndex(IDX, "doc", "1").setSource("foo", "bar").get();
client().prepareIndex(IDX, "doc", "2").setSource("foo", "bar").get();
@ -225,13 +227,13 @@ public class IndexWithShadowReplicasTests extends ElasticsearchIntegrationTest {
.put(IndexMetaData.SETTING_SHARED_FILESYSTEM, true)
.build();
prepareCreate(IDX).setSettings(idxSettings).get();
prepareCreate(IDX).setSettings(idxSettings).addMapping("doc", "foo", "type=string").get();
ensureGreen(IDX);
int docCount = randomIntBetween(10, 100);
List<IndexRequestBuilder> builders = newArrayList();
for (int i = 0; i < docCount; i++) {
builders.add(client().prepareIndex(IDX, "doc", i + "").setSource("body", "foo"));
builders.add(client().prepareIndex(IDX, "doc", i + "").setSource("foo", "bar"));
}
indexRandom(true, true, true, builders);
flushAndRefresh(IDX);
@ -277,7 +279,7 @@ public class IndexWithShadowReplicasTests extends ElasticsearchIntegrationTest {
.put(IndexMetaData.SETTING_SHARED_FILESYSTEM, false)
.build();
prepareCreate(IDX).setSettings(idxSettings).get();
prepareCreate(IDX).setSettings(idxSettings).addMapping("doc", "foo", "type=string").get();
ensureGreen(IDX);
IndexRequestBuilder[] builders = new IndexRequestBuilder[between(10, 20)];