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Add canRemain method to TargetPoolAllocationDecider to move shards from
local to remote pool for hot to warm tiering Signed-off-by: Neetika Singhal <[email protected]>
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47 changes: 47 additions & 0 deletions
47
server/src/main/java/org/opensearch/action/admin/indices/tiering/TieringUtils.java
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| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| */ | ||
|
|
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| package org.opensearch.action.admin.indices.tiering; | ||
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| import org.opensearch.cluster.metadata.IndexMetadata; | ||
| import org.opensearch.cluster.routing.ShardRouting; | ||
| import org.opensearch.cluster.routing.allocation.RoutingAllocation; | ||
| import org.opensearch.index.IndexModule; | ||
|
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| /** | ||
| * Utility class for tiering operations | ||
| * | ||
| * @opensearch.internal | ||
| */ | ||
| public class TieringUtils { | ||
|
|
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| /** | ||
| * Checks if the specified shard is a partial shard by | ||
| * checking the INDEX_STORE_LOCALITY_SETTING for its index. | ||
| * see {@link #isPartialIndex(IndexMetadata)} | ||
| * @param shard ShardRouting object representing the shard | ||
| * @param allocation RoutingAllocation object representing the allocation | ||
| * @return true if the shard is a partial shard, false otherwise | ||
| */ | ||
| public static boolean isPartialShard(ShardRouting shard, RoutingAllocation allocation) { | ||
| IndexMetadata indexMetadata = allocation.metadata().getIndexSafe(shard.index()); | ||
| return isPartialIndex(indexMetadata); | ||
| } | ||
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| /** | ||
| * Checks if the specified index is a partial index by | ||
| * checking the INDEX_STORE_LOCALITY_SETTING for the index. | ||
| * | ||
| * @param indexMetadata the metadata of the index | ||
| * @return true if the index is a partial index, false otherwise | ||
| */ | ||
| public static boolean isPartialIndex(final IndexMetadata indexMetadata) { | ||
| return IndexModule.DataLocalityType.PARTIAL.name() | ||
| .equals(indexMetadata.getSettings().get(IndexModule.INDEX_STORE_LOCALITY_SETTING.getKey())); | ||
| } | ||
| } |
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128 changes: 128 additions & 0 deletions
128
...src/test/java/org/opensearch/cluster/routing/allocation/ShardsTieringAllocationTests.java
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| @@ -0,0 +1,128 @@ | ||
| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| */ | ||
|
|
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| package org.opensearch.cluster.routing.allocation; | ||
|
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| import org.opensearch.Version; | ||
| import org.opensearch.cluster.ClusterState; | ||
| import org.opensearch.cluster.metadata.IndexMetadata; | ||
| import org.opensearch.cluster.routing.RoutingNode; | ||
| import org.opensearch.cluster.routing.RoutingNodes; | ||
| import org.opensearch.cluster.routing.RoutingPool; | ||
| import org.opensearch.cluster.routing.ShardRouting; | ||
| import org.opensearch.common.util.FeatureFlags; | ||
| import org.opensearch.index.IndexModule; | ||
| import org.opensearch.test.FeatureFlagSetter; | ||
| import org.junit.Before; | ||
|
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| import static org.opensearch.cluster.routing.RoutingPool.LOCAL_ONLY; | ||
| import static org.opensearch.cluster.routing.RoutingPool.REMOTE_CAPABLE; | ||
| import static org.opensearch.cluster.routing.RoutingPool.getIndexPool; | ||
| import static org.opensearch.index.IndexModule.INDEX_STORE_LOCALITY_SETTING; | ||
|
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| public class ShardsTieringAllocationTests extends TieringAllocationBaseTestCase { | ||
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| @Before | ||
| public void setup() { | ||
| FeatureFlagSetter.set(FeatureFlags.TIERED_REMOTE_INDEX); | ||
| } | ||
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| public void testShardsInLocalPool() { | ||
| int localOnlyNodes = 5; | ||
| int remoteCapableNodes = 3; | ||
| int localIndices = 5; | ||
| int remoteIndices = 0; | ||
| ClusterState clusterState = createInitialCluster(localOnlyNodes, remoteCapableNodes, localIndices, remoteIndices); | ||
| AllocationService service = this.createRemoteCapableAllocationService(); | ||
| // assign shards to respective nodes | ||
| clusterState = allocateShardsAndBalance(clusterState, service); | ||
| RoutingNodes routingNodes = clusterState.getRoutingNodes(); | ||
| RoutingAllocation allocation = getRoutingAllocation(clusterState, routingNodes); | ||
| assertEquals(0, routingNodes.unassigned().size()); | ||
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| for (ShardRouting shard : clusterState.getRoutingTable().allShards()) { | ||
| assertFalse(shard.unassigned()); | ||
| RoutingPool shardPool = RoutingPool.getShardPool(shard, allocation); | ||
| assertEquals(LOCAL_ONLY, shardPool); | ||
| } | ||
| } | ||
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| public void testShardsInRemotePool() { | ||
| int localOnlyNodes = 7; | ||
| int remoteCapableNodes = 3; | ||
| int localIndices = 0; | ||
| int remoteIndices = 13; | ||
| ClusterState clusterState = createInitialCluster(localOnlyNodes, remoteCapableNodes, localIndices, remoteIndices); | ||
| AllocationService service = this.createRemoteCapableAllocationService(); | ||
| // assign shards to respective nodes | ||
| clusterState = allocateShardsAndBalance(clusterState, service); | ||
| RoutingNodes routingNodes = clusterState.getRoutingNodes(); | ||
| RoutingAllocation allocation = getRoutingAllocation(clusterState, routingNodes); | ||
| assertEquals(0, routingNodes.unassigned().size()); | ||
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| for (ShardRouting shard : clusterState.getRoutingTable().allShards()) { | ||
| assertFalse(shard.unassigned()); | ||
| RoutingPool shardPool = RoutingPool.getShardPool(shard, allocation); | ||
| assertEquals(REMOTE_CAPABLE, shardPool); | ||
| } | ||
| } | ||
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| public void testShardsWithTiering() { | ||
| int localOnlyNodes = 15; | ||
| int remoteCapableNodes = 13; | ||
| int localIndices = 10; | ||
| int remoteIndices = 0; | ||
| ClusterState clusterState = createInitialCluster(localOnlyNodes, remoteCapableNodes, localIndices, remoteIndices); | ||
| AllocationService service = this.createRemoteCapableAllocationService(); | ||
| // assign shards to respective nodes | ||
| clusterState = allocateShardsAndBalance(clusterState, service); | ||
| // put indices in the hot to warm tiering state | ||
| clusterState = updateIndexMetadataForTiering( | ||
| clusterState, | ||
| localIndices, | ||
| IndexModule.TieringState.HOT_TO_WARM.name(), | ||
| IndexModule.DataLocalityType.PARTIAL.name() | ||
| ); | ||
| // trigger shard relocation | ||
| clusterState = allocateShardsAndBalance(clusterState, service); | ||
| RoutingNodes routingNodes = clusterState.getRoutingNodes(); | ||
| RoutingAllocation allocation = getRoutingAllocation(clusterState, routingNodes); | ||
| assertEquals(0, routingNodes.unassigned().size()); | ||
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| for (ShardRouting shard : clusterState.getRoutingTable().allShards()) { | ||
| assertFalse(shard.unassigned()); | ||
| RoutingNode node = routingNodes.node(shard.currentNodeId()); | ||
| RoutingPool nodePool = RoutingPool.getNodePool(node); | ||
| RoutingPool shardPool = RoutingPool.getShardPool(shard, allocation); | ||
| assertEquals(RoutingPool.REMOTE_CAPABLE, shardPool); | ||
| assertEquals(nodePool, shardPool); | ||
| } | ||
| } | ||
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| public void testShardPoolForPartialIndices() { | ||
| String index = "test-index"; | ||
| IndexMetadata indexMetadata = IndexMetadata.builder(index) | ||
| .settings(settings(Version.CURRENT).put(INDEX_STORE_LOCALITY_SETTING.getKey(), IndexModule.DataLocalityType.PARTIAL.name())) | ||
| .numberOfShards(PRIMARIES) | ||
| .numberOfReplicas(REPLICAS) | ||
| .build(); | ||
| RoutingPool indexPool = getIndexPool(indexMetadata); | ||
| assertEquals(REMOTE_CAPABLE, indexPool); | ||
| } | ||
|
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| public void testShardPoolForFullIndices() { | ||
| String index = "test-index"; | ||
| IndexMetadata indexMetadata = IndexMetadata.builder(index) | ||
| .settings(settings(Version.CURRENT).put(INDEX_STORE_LOCALITY_SETTING.getKey(), IndexModule.DataLocalityType.FULL.name())) | ||
| .numberOfShards(PRIMARIES) | ||
| .numberOfReplicas(REPLICAS) | ||
| .build(); | ||
| RoutingPool indexPool = getIndexPool(indexMetadata); | ||
| assertEquals(LOCAL_ONLY, indexPool); | ||
| } | ||
| } |
47 changes: 47 additions & 0 deletions
47
...rc/test/java/org/opensearch/cluster/routing/allocation/TieringAllocationBaseTestCase.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| */ | ||
|
|
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| package org.opensearch.cluster.routing.allocation; | ||
|
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| import org.opensearch.cluster.ClusterState; | ||
| import org.opensearch.cluster.metadata.IndexMetadata; | ||
| import org.opensearch.cluster.metadata.Metadata; | ||
| import org.opensearch.common.SuppressForbidden; | ||
| import org.opensearch.common.settings.Settings; | ||
|
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| import static org.opensearch.index.IndexModule.INDEX_STORE_LOCALITY_SETTING; | ||
| import static org.opensearch.index.IndexModule.INDEX_TIERING_STATE; | ||
|
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| @SuppressForbidden(reason = "feature flag overrides") | ||
| public abstract class TieringAllocationBaseTestCase extends RemoteShardsBalancerBaseTestCase { | ||
|
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| public ClusterState updateIndexMetadataForTiering( | ||
| ClusterState clusterState, | ||
| int localIndices, | ||
| String tieringState, | ||
| String dataLocality | ||
| ) { | ||
| Metadata.Builder mb = Metadata.builder(clusterState.metadata()); | ||
| for (int i = 0; i < localIndices; i++) { | ||
| IndexMetadata indexMetadata = clusterState.metadata().index(getIndexName(i, false)); | ||
| Settings settings = indexMetadata.getSettings(); | ||
| mb.put( | ||
| IndexMetadata.builder(indexMetadata) | ||
| .settings( | ||
| Settings.builder() | ||
| .put(settings) | ||
| .put(settings) | ||
| .put(INDEX_TIERING_STATE.getKey(), tieringState) | ||
| .put(INDEX_STORE_LOCALITY_SETTING.getKey(), dataLocality) | ||
| ) | ||
| ); | ||
| } | ||
| Metadata metadata = mb.build(); | ||
| return ClusterState.builder(clusterState).metadata(metadata).build(); | ||
| } | ||
| } |