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Adapt SyncedFlushService (#37691)

This commit is contained in:
Tanguy Leroux 2019-01-23 11:08:54 +01:00 committed by GitHub
parent 701d89caa2
commit 6130d15172
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2 changed files with 21 additions and 16 deletions
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15
server/src/main/java/org/elasticsearch/indices/flush/SyncedFlushService.java
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@ -32,7 +32,6 @@ import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.routing.IndexRoutingTable;
import org.elasticsearch.cluster.routing.IndexShardRoutingTable;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.cluster.service.ClusterService;
@ -290,16 +289,14 @@ public class SyncedFlushService implements IndexEventListener {
listener.onResponse(new ShardsSyncedFlushResult(shardId, existingSyncId, totalShards, results));
}
final IndexShardRoutingTable getShardRoutingTable(ShardId shardId, ClusterState state) {
final IndexRoutingTable indexRoutingTable = state.routingTable().index(shardId.getIndexName());
if (indexRoutingTable == null) {
IndexMetaData index = state.getMetaData().index(shardId.getIndex());
if (index != null && index.getState() == IndexMetaData.State.CLOSE) {
throw new IndexClosedException(shardId.getIndex());
}
final IndexShardRoutingTable getShardRoutingTable(final ShardId shardId, final ClusterState state) {
final IndexMetaData indexMetaData = state.getMetaData().index(shardId.getIndex());
if (indexMetaData == null) {
throw new IndexNotFoundException(shardId.getIndexName());
} else if (indexMetaData.getState() == IndexMetaData.State.CLOSE) {
throw new IndexClosedException(shardId.getIndex());
}
final IndexShardRoutingTable shardRoutingTable = indexRoutingTable.shard(shardId.id());
final IndexShardRoutingTable shardRoutingTable = state.routingTable().index(indexMetaData.getIndex()).shard(shardId.id());
if (shardRoutingTable == null) {
throw new ShardNotFoundException(shardId);
}

22
server/src/test/java/org/elasticsearch/indices/flush/SyncedFlushSingleNodeTests.java
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@ -20,11 +20,13 @@ package org.elasticsearch.indices.flush;
import org.elasticsearch.action.support.PlainActionFuture;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.routing.IndexShardRoutingTable;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.UUIDs;
import org.elasticsearch.common.lease.Releasable;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.shard.IndexShard;
@ -38,6 +40,8 @@ import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutionException;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
public class SyncedFlushSingleNodeTests extends ESSingleNodeTestCase {
public void testModificationPreventsFlushing() throws InterruptedException {
@ -130,22 +134,26 @@ public class SyncedFlushSingleNodeTests extends ESSingleNodeTestCase {
}
public void testSyncFailsOnIndexClosedOrMissing() throws InterruptedException {
createIndex("test");
createIndex("test", Settings.builder()
.put(IndexMetaData.SETTING_NUMBER_OF_SHARDS, 1)
.put(IndexMetaData.SETTING_NUMBER_OF_REPLICAS, 0)
.build());
IndexService test = getInstanceFromNode(IndicesService.class).indexService(resolveIndex("test"));
IndexShard shard = test.getShardOrNull(0);
final IndexShard shard = test.getShardOrNull(0);
assertNotNull(shard);
final ShardId shardId = shard.shardId();
final SyncedFlushService flushService = getInstanceFromNode(SyncedFlushService.class);
SyncedFlushService flushService = getInstanceFromNode(SyncedFlushService.class);
SyncedFlushUtil.LatchedListener listener = new SyncedFlushUtil.LatchedListener();
flushService.attemptSyncedFlush(new ShardId("test", "_na_", 1), listener);
flushService.attemptSyncedFlush(new ShardId(shard.shardId().getIndex(), 1), listener);
listener.latch.await();
assertNotNull(listener.error);
assertNull(listener.result);
assertEquals(ShardNotFoundException.class, listener.error.getClass());
assertEquals("no such shard", listener.error.getMessage());
final ShardId shardId = shard.shardId();
client().admin().indices().prepareClose("test").get();
assertAcked(client().admin().indices().prepareClose("test"));
listener = new SyncedFlushUtil.LatchedListener();
flushService.attemptSyncedFlush(shardId, listener);
listener.latch.await();