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Fix RandomExceptionCircuitBreakerTests 

RandomExceptionCircuitBreakerTests never actually installed
the FilteredAtomicReader that should throw random exceptions
when field data is loaded.
This commit is contained in:
Simon Willnauer 2014-01-12 22:29:34 +01:00
parent ea9e095b57
commit 268c2e2563
3 changed files with 63 additions and 26 deletions
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72
src/test/java/org/elasticsearch/indices/fielddata/breaker/RandomExceptionCircuitBreakerTests.java
View File

@ -27,6 +27,7 @@ import org.elasticsearch.action.admin.cluster.node.stats.NodeStats;
import org.elasticsearch.action.admin.cluster.node.stats.NodesStatsResponse;
import org.elasticsearch.action.admin.indices.refresh.RefreshResponse;
import org.elasticsearch.action.search.SearchPhaseExecutionException;
import org.elasticsearch.action.search.SearchRequestBuilder;
import org.elasticsearch.client.Requests;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
@ -37,8 +38,6 @@ import org.elasticsearch.search.sort.SortOrder;
import org.elasticsearch.test.ElasticsearchIntegrationTest;
import org.elasticsearch.test.engine.MockInternalEngine;
import org.elasticsearch.test.engine.ThrowingAtomicReaderWrapper;
import org.elasticsearch.test.junit.annotations.TestLogging;
import org.elasticsearch.test.store.MockDirectoryHelper;
import org.junit.Test;
import java.io.IOException;
@ -55,9 +54,9 @@ import static org.hamcrest.Matchers.equalTo;
public class RandomExceptionCircuitBreakerTests extends ElasticsearchIntegrationTest {
@Test
@TestLogging("org.elasticsearch.indices.fielddata.breaker:TRACE,org.elasticsearch.index.fielddata:TRACE,org.elasticsearch.common.breaker:TRACE")
public void testBreakerWithRandomExceptions() throws IOException, InterruptedException, ExecutionException {
final int numShards = between(1, 5);
final int numReplicas = randomIntBetween(0, 1);
String mapping = XContentFactory.jsonBuilder()
.startObject()
.startObject("type")
@ -80,33 +79,34 @@ public class RandomExceptionCircuitBreakerTests extends ElasticsearchIntegration
.endObject() // type
.endObject() // {}
.string();
final double exceptionRate;
final double exceptionOnOpenRate;
final double topLevelRate;
final double lowLevelRate;
if (frequently()) {
if (randomBoolean()) {
if (randomBoolean()) {
exceptionOnOpenRate = 1.0/between(5, 100);
exceptionRate = 0.0d;
lowLevelRate = 1.0/between(2, 10);
topLevelRate = 0.0d;
} else {
exceptionRate = 1.0/between(5, 100);
exceptionOnOpenRate = 0.0d;
topLevelRate = 1.0/between(2, 10);
lowLevelRate = 0.0d;
}
} else {
exceptionOnOpenRate = 1.0/between(5, 100);
exceptionRate = 1.0/between(5, 100);
lowLevelRate = 1.0/between(2, 10);
topLevelRate = 1.0/between(2, 10);
}
} else {
// rarely no exception
exceptionRate = 0d;
exceptionOnOpenRate = 0d;
topLevelRate = 0d;
lowLevelRate = 0d;
}
ImmutableSettings.Builder settings = settingsBuilder()
.put("index.number_of_shards", numShards)
.put("index.number_of_replicas", randomIntBetween(0, 1))
.put(MockDirectoryHelper.RANDOM_IO_EXCEPTION_RATE, exceptionRate)
.put(MockDirectoryHelper.RANDOM_IO_EXCEPTION_RATE_ON_OPEN, exceptionOnOpenRate)
.put(MockDirectoryHelper.CHECK_INDEX_ON_CLOSE, true);
.put("index.number_of_replicas", numReplicas)
.put(MockInternalEngine.READER_WRAPPER_TYPE, RandomExceptionDirectoryReaderWrapper.class.getName())
.put(EXCEPTION_TOP_LEVEL_RATIO_KEY, topLevelRate)
.put(EXCEPTION_LOW_LEVEL_RATIO_KEY, lowLevelRate)
.put(MockInternalEngine.WRAP_READER_RATIO, 1.0d);
logger.info("creating index: [test] using settings: [{}]", settings.build().getAsMap());
client().admin().indices().prepareCreate("test")
.setSettings(settings)
@ -137,14 +137,32 @@ public class RandomExceptionCircuitBreakerTests extends ElasticsearchIntegration
logger.info("Refresh failed: [{}] numShardsFailed: [{}], shardFailuresLength: [{}], successfulShards: [{}], totalShards: [{}] ",
refreshFailed, refreshResponse.getFailedShards(), refreshResponse.getShardFailures().length,
refreshResponse.getSuccessfulShards(), refreshResponse.getTotalShards());
final int numSearches = atLeast(10);
final int numSearches = atLeast(50);
NodesStatsResponse resp = client().admin().cluster().prepareNodesStats()
.clear().setBreaker(true).execute().actionGet();
for (NodeStats stats : resp.getNodes()) {
assertThat("Breaker is set to 0", stats.getBreaker().getEstimated(), equalTo(0L));
}
for (int i = 0; i < numSearches; i++) {
SearchRequestBuilder searchRequestBuilder = client().prepareSearch().setQuery(QueryBuilders.matchAllQuery());
switch(randomIntBetween(0, 5)) {
case 5:
case 4:
case 3:
searchRequestBuilder.addSort("test-str", SortOrder.ASC);
// fall through - sometimes get both fields
case 2:
case 1:
default:
searchRequestBuilder.addSort("test-num", SortOrder.ASC);
}
boolean success = false;
try {
// Sort by the string and numeric fields, to load them into field data
client().prepareSearch().setQuery(QueryBuilders.matchAllQuery())
.addSort("test-str", SortOrder.ASC)
.addSort("test-num", SortOrder.ASC).get();
searchRequestBuilder.get();
success = true;
} catch (SearchPhaseExecutionException ex) {
logger.info("expected SearchPhaseException: [{}]", ex.getMessage());
}
@ -155,9 +173,10 @@ public class RandomExceptionCircuitBreakerTests extends ElasticsearchIntegration
// breaker adjustment code, it should show up here by the breaker
// estimate being either positive or negative.
client().admin().indices().prepareClearCache("test").setFieldDataCache(true).execute().actionGet();
NodesStatsResponse resp = client().admin().cluster().prepareNodesStats().all().execute().actionGet();
for (NodeStats stats : resp.getNodes()) {
assertThat("Breaker reset to 0", stats.getBreaker().getEstimated(), equalTo(0L));
NodesStatsResponse nodeStats = client().admin().cluster().prepareNodesStats()
.clear().setBreaker(true).execute().actionGet();
for (NodeStats stats : nodeStats.getNodes()) {
assertThat("Breaker reset to 0 last search success: " + success + " mapping: " + mapping, stats.getBreaker().getEstimated(), equalTo(0L));
}
}
}
@ -217,10 +236,15 @@ public class RandomExceptionCircuitBreakerTests extends ElasticsearchIntegration
}
break;
}
}
public boolean wrapTerms(String field) {
return field.startsWith("test");
}
}
public RandomExceptionDirectoryReaderWrapper(DirectoryReader in, Settings settings) {
super(in, new ThrowingSubReaderWrapper(settings));
this.settings = settings;

3
src/test/java/org/elasticsearch/search/basic/SearchWithRandomExceptionsTests.java
View File

@ -286,7 +286,10 @@ public class SearchWithRandomExceptionsTests extends ElasticsearchIntegrationTes
}
break;
}
}
public boolean wrapTerms(String field) {
return true;
}
}

10
src/test/java/org/elasticsearch/test/engine/ThrowingAtomicReaderWrapper.java
View File

@ -59,6 +59,13 @@ public class ThrowingAtomicReaderWrapper extends FilterAtomicReader {
* Maybe throws an exception ;)
*/
public void maybeThrow(Flags flag) throws IOException;
/**
* If this method returns true the {@link Terms} instance for the given field
* is wrapped with Thrower support otherwise no exception will be thrown for
* the current {@link Terms} instance or any other instance obtained from it.
*/
public boolean wrapTerms(String field);
}
public ThrowingAtomicReaderWrapper(AtomicReader in, Thrower thrower) {
@ -95,9 +102,12 @@ public class ThrowingAtomicReaderWrapper extends FilterAtomicReader {
@Override
public Terms terms(String field) throws IOException {
Terms terms = super.terms(field);
if (thrower.wrapTerms(field)) {
thrower.maybeThrow(Flags.Terms);
return terms == null ? null : new ThrowingTerms(terms, thrower);
}
return terms;
}
}
/**