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* http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.indices.memory.breaker;
import org.elasticsearch.action.index.IndexRequestBuilder;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.indices.breaker.HierarchyCircuitBreakerService;
import org.elasticsearch.search.sort.SortOrder;
import org.elasticsearch.test.ESIntegTestCase;
import org.junit.Test;
import java.util.ArrayList;
import java.util.List;
import static org.elasticsearch.cluster.metadata.IndexMetaData.SETTING_NUMBER_OF_REPLICAS;
import static org.elasticsearch.common.settings.Settings.settingsBuilder;
import static org.elasticsearch.index.query.QueryBuilders.matchAllQuery;
import static org.elasticsearch.search.aggregations.AggregationBuilders.cardinality;
import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
/** Tests for the noop breakers, which are non-dynamic settings */
@ESIntegTestCase.ClusterScope(scope= ESIntegTestCase.Scope.SUITE, numDataNodes=0)
public class CircuitBreakerNoopIT extends ESIntegTestCase {
@Override
protected Settings nodeSettings(int nodeOrdinal) {
return Settings.builder()
.put(HierarchyCircuitBreakerService.FIELDDATA_CIRCUIT_BREAKER_TYPE_SETTING, "noop")
// This is set low, because if the "noop" is not a noop, it will break
.put(HierarchyCircuitBreakerService.FIELDDATA_CIRCUIT_BREAKER_LIMIT_SETTING, "10b")
.put(HierarchyCircuitBreakerService.REQUEST_CIRCUIT_BREAKER_TYPE_SETTING, "noop")
// This is set low, because if the "noop" is not a noop, it will break
.put(HierarchyCircuitBreakerService.REQUEST_CIRCUIT_BREAKER_LIMIT_SETTING, "10b")
.build();
}
@Test
public void testNoopRequestBreaker() throws Exception {
assertAcked(prepareCreate("cb-test", 1, settingsBuilder().put(SETTING_NUMBER_OF_REPLICAS, between(0, 1))));
Client client = client();
// index some different terms so we have some field data for loading
int docCount = scaledRandomIntBetween(300, 1000);
List<IndexRequestBuilder> reqs = new ArrayList<>();
for (long id = 0; id < docCount; id++) {
reqs.add(client.prepareIndex("cb-test", "type", Long.toString(id)).setSource("test", id));
}
indexRandom(true, reqs);
// A cardinality aggregation uses BigArrays and thus the REQUEST breaker
client.prepareSearch("cb-test").setQuery(matchAllQuery()).addAggregation(cardinality("card").field("test")).get();
// no exception because the breaker is a noop
}
@Test
public void testNoopFielddataBreaker() throws Exception {
assertAcked(prepareCreate("cb-test", 1, settingsBuilder().put(SETTING_NUMBER_OF_REPLICAS, between(0, 1))));
Client client = client();
// index some different terms so we have some field data for loading
int docCount = scaledRandomIntBetween(300, 1000);
List<IndexRequestBuilder> reqs = new ArrayList<>();
for (long id = 0; id < docCount; id++) {
reqs.add(client.prepareIndex("cb-test", "type", Long.toString(id)).setSource("test", id));
}
indexRandom(true, reqs);
// Sorting using fielddata and thus the FIELDDATA breaker
client.prepareSearch("cb-test").setQuery(matchAllQuery()).addSort("test", SortOrder.DESC).get();
// no exception because the breaker is a noop
}
}