/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search licenses this
* file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* 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
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.cluster.routing.allocation;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.MetaData;
import org.elasticsearch.cluster.routing.RoutingTable;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.common.logging.Loggers;
import org.testng.annotations.Test;
import static org.elasticsearch.cluster.ClusterState.*;
import static org.elasticsearch.cluster.metadata.IndexMetaData.*;
import static org.elasticsearch.cluster.metadata.MetaData.*;
import static org.elasticsearch.cluster.node.DiscoveryNodes.*;
import static org.elasticsearch.cluster.routing.RoutingBuilders.*;
import static org.elasticsearch.cluster.routing.ShardRoutingState.*;
import static org.elasticsearch.cluster.routing.allocation.RoutingAllocationTests.*;
import static org.elasticsearch.common.settings.ImmutableSettings.*;
import static org.hamcrest.MatcherAssert.*;
import static org.hamcrest.Matchers.*;
/**
* @author kimchy (shay.banon)
*/
public class ThrottlingAllocationTests {
private final ESLogger logger = Loggers.getLogger(ThrottlingAllocationTests.class);
@Test public void testPrimaryRecoveryThrottling() {
ShardsAllocation strategy = new ShardsAllocation(settingsBuilder()
.put("cluster.routing.allocation.node_concurrent_recoveries", 3)
.put("cluster.routing.allocation.node_initial_primaries_recoveries", 3)
.build());
logger.info("Building initial routing table");
MetaData metaData = newMetaDataBuilder()
.put(newIndexMetaDataBuilder("test").numberOfShards(10).numberOfReplicas(1))
.build();
RoutingTable routingTable = routingTable()
.add(indexRoutingTable("test").initializeEmpty(metaData.index("test")))
.build();
ClusterState clusterState = newClusterStateBuilder().metaData(metaData).routingTable(routingTable).build();
logger.info("start one node, do reroute, only 3 should initialize");
clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().put(newNode("node1"))).build();
routingTable = strategy.reroute(clusterState).routingTable();
clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(0));
assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(3));
assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(17));
logger.info("start initializing, another 3 should initialize");
routingTable = strategy.applyStartedShards(clusterState, routingTable.shardsWithState(INITIALIZING)).routingTable();
clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(3));
assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(3));
assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(14));
logger.info("start initializing, another 3 should initialize");
routingTable = strategy.applyStartedShards(clusterState, routingTable.shardsWithState(INITIALIZING)).routingTable();
clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(6));
assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(3));
assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(11));
logger.info("start initializing, another 1 should initialize");
routingTable = strategy.applyStartedShards(clusterState, routingTable.shardsWithState(INITIALIZING)).routingTable();
clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(9));
assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(1));
assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(10));
logger.info("start initializing, all primaries should be started");
routingTable = strategy.applyStartedShards(clusterState, routingTable.shardsWithState(INITIALIZING)).routingTable();
clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(10));
assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(0));
assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(10));
}
@Test public void testReplicaAndPrimaryRecoveryThrottling() {
ShardsAllocation strategy = new ShardsAllocation(settingsBuilder()
.put("cluster.routing.allocation.concurrent_recoveries", 3)
.put("cluster.routing.allocation.node_initial_primaries_recoveries", 3)
.build());
logger.info("Building initial routing table");
MetaData metaData = newMetaDataBuilder()
.put(newIndexMetaDataBuilder("test").numberOfShards(5).numberOfReplicas(1))
.build();
RoutingTable routingTable = routingTable()
.add(indexRoutingTable("test").initializeEmpty(metaData.index("test")))
.build();
ClusterState clusterState = newClusterStateBuilder().metaData(metaData).routingTable(routingTable).build();
logger.info("start one node, do reroute, only 3 should initialize");
clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().put(newNode("node1"))).build();
routingTable = strategy.reroute(clusterState).routingTable();
clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(0));
assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(3));
assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(7));
logger.info("start initializing, another 2 should initialize");
routingTable = strategy.applyStartedShards(clusterState, routingTable.shardsWithState(INITIALIZING)).routingTable();
clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(3));
assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(2));
assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(5));
logger.info("start initializing, all primaries should be started");
routingTable = strategy.applyStartedShards(clusterState, routingTable.shardsWithState(INITIALIZING)).routingTable();
clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(5));
assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(0));
assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(5));
logger.info("start another node, replicas should start being allocated");
clusterState = newClusterStateBuilder().state(clusterState).nodes(newNodesBuilder().putAll(clusterState.nodes()).put(newNode("node2"))).build();
routingTable = strategy.reroute(clusterState).routingTable();
clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(5));
assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(3));
assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(2));
logger.info("start initializing replicas");
routingTable = strategy.applyStartedShards(clusterState, routingTable.shardsWithState(INITIALIZING)).routingTable();
clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(8));
assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(2));
assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(0));
logger.info("start initializing replicas, all should be started");
routingTable = strategy.applyStartedShards(clusterState, routingTable.shardsWithState(INITIALIZING)).routingTable();
clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(10));
assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(0));
assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(0));
}
}