1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.Version;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.metadata.MetaData;
import org.elasticsearch.cluster.node.DiscoveryNodes;
import org.elasticsearch.cluster.routing.RoutingTable;
import org.elasticsearch.cluster.routing.allocation.decider.ThrottlingAllocationDecider;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.cluster.ESAllocationTestCase;
import static org.elasticsearch.cluster.routing.ShardRoutingState.INITIALIZING;
public class AllocationPriorityTests extends ESAllocationTestCase {
/**
* Tests that higher prioritized primaries and replicas are allocated first even on the balanced shard allocator
* See https://github.com/elastic/elasticsearch/issues/13249 for details
*/
public void testPrioritizedIndicesAllocatedFirst() {
AllocationService allocation = createAllocationService(Settings.builder().
put(ThrottlingAllocationDecider.CLUSTER_ROUTING_ALLOCATION_NODE_CONCURRENT_RECOVERIES_SETTING.getKey(), 1)
.put(ThrottlingAllocationDecider.CLUSTER_ROUTING_ALLOCATION_NODE_CONCURRENT_OUTGOING_RECOVERIES_SETTING.getKey(), 10)
.put(ThrottlingAllocationDecider.CLUSTER_ROUTING_ALLOCATION_NODE_INITIAL_PRIMARIES_RECOVERIES_SETTING.getKey(), 1)
.put(ThrottlingAllocationDecider.CLUSTER_ROUTING_ALLOCATION_NODE_CONCURRENT_INCOMING_RECOVERIES_SETTING.getKey(), 1).build());
final String highPriorityName;
final String lowPriorityName;
final int priorityFirst;
final int prioritySecond;
if (randomBoolean()) {
highPriorityName = "first";
lowPriorityName = "second";
prioritySecond = 1;
priorityFirst = 100;
} else {
lowPriorityName = "first";
highPriorityName = "second";
prioritySecond = 100;
priorityFirst = 1;
}
MetaData metaData = MetaData.builder()
.put(IndexMetaData.builder("first").settings(settings(Version.CURRENT).put(IndexMetaData.SETTING_PRIORITY, priorityFirst)).numberOfShards(2).numberOfReplicas(1))
.put(IndexMetaData.builder("second").settings(settings(Version.CURRENT).put(IndexMetaData.SETTING_PRIORITY, prioritySecond)).numberOfShards(2).numberOfReplicas(1))
.build();
RoutingTable initialRoutingTable = RoutingTable.builder()
.addAsNew(metaData.index("first"))
.addAsNew(metaData.index("second"))
.build();
ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metaData(metaData).routingTable(initialRoutingTable).build();
clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1")).add(newNode("node2"))).build();
RoutingAllocation.Result rerouteResult = allocation.reroute(clusterState, "reroute");
clusterState = ClusterState.builder(clusterState).routingTable(rerouteResult.routingTable()).build();
RoutingAllocation.Result routingResult = allocation.reroute(clusterState, "reroute");
clusterState = ClusterState.builder(clusterState).routingResult(routingResult).build();
assertEquals(2, clusterState.getRoutingNodes().shardsWithState(INITIALIZING).size());
assertEquals(highPriorityName, clusterState.getRoutingNodes().shardsWithState(INITIALIZING).get(0).getIndexName());
assertEquals(highPriorityName, clusterState.getRoutingNodes().shardsWithState(INITIALIZING).get(1).getIndexName());
routingResult = allocation.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
clusterState = ClusterState.builder(clusterState).routingResult(routingResult).build();
assertEquals(2, clusterState.getRoutingNodes().shardsWithState(INITIALIZING).size());
assertEquals(lowPriorityName, clusterState.getRoutingNodes().shardsWithState(INITIALIZING).get(0).getIndexName());
assertEquals(lowPriorityName, clusterState.getRoutingNodes().shardsWithState(INITIALIZING).get(1).getIndexName());
routingResult = allocation.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
clusterState = ClusterState.builder(clusterState).routingResult(routingResult).build();
assertEquals(clusterState.getRoutingNodes().shardsWithState(INITIALIZING).toString(),2, clusterState.getRoutingNodes().shardsWithState(INITIALIZING).size());
assertEquals(highPriorityName, clusterState.getRoutingNodes().shardsWithState(INITIALIZING).get(0).getIndexName());
assertEquals(highPriorityName, clusterState.getRoutingNodes().shardsWithState(INITIALIZING).get(1).getIndexName());
routingResult = allocation.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
clusterState = ClusterState.builder(clusterState).routingResult(routingResult).build();
assertEquals(2, clusterState.getRoutingNodes().shardsWithState(INITIALIZING).size());
assertEquals(lowPriorityName, clusterState.getRoutingNodes().shardsWithState(INITIALIZING).get(0).getIndexName());
assertEquals(lowPriorityName, clusterState.getRoutingNodes().shardsWithState(INITIALIZING).get(1).getIndexName());
}
}
|
