Fix SearchContext CB memory accounting #138002
+209
−22
There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| /* | ||
| * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one | ||
| * or more contributor license agreements. Licensed under the "Elastic License | ||
| * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side | ||
| * Public License v 1"; you may not use this file except in compliance with, at | ||
| * your election, the "Elastic License 2.0", the "GNU Affero General Public | ||
| * License v3.0 only", or the "Server Side Public License, v 1". | ||
| */ | ||
| package org.elasticsearch.search.aggregations.metrics; | ||
|
|
||
| import org.apache.logging.log4j.util.Strings; | ||
| import org.elasticsearch.action.index.IndexRequestBuilder; | ||
| import org.elasticsearch.action.search.SearchRequestBuilder; | ||
| import org.elasticsearch.common.settings.Settings; | ||
| import org.elasticsearch.rest.RestStatus; | ||
| import org.elasticsearch.search.aggregations.bucket.terms.Terms; | ||
| import org.elasticsearch.search.aggregations.bucket.terms.TermsAggregatorFactory.ExecutionMode; | ||
| import org.elasticsearch.search.sort.SortBuilders; | ||
| import org.elasticsearch.search.sort.SortOrder; | ||
| import org.elasticsearch.test.ESIntegTestCase; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
|
||
| import static org.elasticsearch.search.aggregations.AggregationBuilders.terms; | ||
| import static org.elasticsearch.search.aggregations.AggregationBuilders.topHits; | ||
| import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked; | ||
| import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertFailures; | ||
| import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertNoFailuresAndResponse; | ||
| import static org.elasticsearch.xcontent.XContentFactory.jsonBuilder; | ||
| import static org.hamcrest.Matchers.containsString; | ||
| import static org.hamcrest.Matchers.notNullValue; | ||
|
|
||
| @ESIntegTestCase.SuiteScopeTestCase() | ||
| public class LargeTopHitsIT extends ESIntegTestCase { | ||
|
|
||
| private static final String TERMS_AGGS_FIELD_1 = "terms1"; | ||
| private static final String TERMS_AGGS_FIELD_2 = "terms2"; | ||
| private static final String TERMS_AGGS_FIELD_3 = "terms3"; | ||
| private static final String SORT_FIELD = "sort"; | ||
|
|
||
| @Override | ||
| protected Settings nodeSettings(int nodeOrdinal, Settings otherSettings) { | ||
| return Settings.builder().put(super.nodeSettings(nodeOrdinal, otherSettings)).put("indices.breaker.request.type", "memory").build(); | ||
| } | ||
|
|
||
| public static String randomExecutionHint() { | ||
| return randomBoolean() ? null : randomFrom(ExecutionMode.values()).toString(); | ||
| } | ||
|
|
||
| @Override | ||
| public void setupSuiteScopeCluster() throws Exception { | ||
| initSmallIdx(); | ||
| ensureSearchable(); | ||
| } | ||
|
|
||
| private void initSmallIdx() throws IOException { | ||
| createIndex("small_idx"); | ||
| ensureGreen("small_idx"); | ||
| populateIndex("small_idx", 5, 40_000); | ||
| } | ||
|
|
||
| private void initLargeIdx() throws IOException { | ||
| createIndex("large_idx"); | ||
| ensureGreen("large_idx"); | ||
| populateIndex("large_idx", 70, 50_000); | ||
| } | ||
|
|
||
| public void testSimple() { | ||
| assertNoFailuresAndResponse(query("small_idx"), response -> { | ||
| Terms terms = response.getAggregations().get("terms"); | ||
| assertThat(terms, notNullValue()); | ||
| }); | ||
| } | ||
|
|
||
| public void test500Queries() { | ||
| for (int i = 0; i < 500; i++) { | ||
| // make sure we are not leaking memory over multiple queries | ||
| assertNoFailuresAndResponse(query("small_idx"), response -> { | ||
| Terms terms = response.getAggregations().get("terms"); | ||
| assertThat(terms, notNullValue()); | ||
| }); | ||
| } | ||
| } | ||
|
|
||
| // This works most of the time, but it's not consistent: it still triggers OOM sometimes. | ||
| // The test env is too small and non-deterministic to hold all these data and results. | ||
| @AwaitsFix(bugUrl = "see comment above") | ||
| public void testBreakAndRecover() throws IOException { | ||
| initLargeIdx(); | ||
| assertNoFailuresAndResponse(query("small_idx"), response -> { | ||
| Terms terms = response.getAggregations().get("terms"); | ||
| assertThat(terms, notNullValue()); | ||
| }); | ||
|
|
||
| assertFailures(query("large_idx"), RestStatus.TOO_MANY_REQUESTS, containsString("Data too large")); | ||
|
|
||
| assertNoFailuresAndResponse(query("small_idx"), response -> { | ||
| Terms terms = response.getAggregations().get("terms"); | ||
| assertThat(terms, notNullValue()); | ||
| }); | ||
| } | ||
|
|
||
| private void createIndex(String idxName) { | ||
| assertAcked( | ||
| prepareCreate(idxName).setMapping( | ||
| TERMS_AGGS_FIELD_1, | ||
| "type=keyword", | ||
| TERMS_AGGS_FIELD_2, | ||
| "type=keyword", | ||
| TERMS_AGGS_FIELD_3, | ||
| "type=keyword", | ||
| "text", | ||
| "type=text,store=true", | ||
| "large_text_1", | ||
| "type=text,store=false", | ||
| "large_text_2", | ||
| "type=text,store=false", | ||
| "large_text_3", | ||
| "type=text,store=false", | ||
| "large_text_4", | ||
| "type=text,store=false", | ||
| "large_text_5", | ||
| "type=text,store=false" | ||
| ) | ||
| ); | ||
| } | ||
|
|
||
| private void populateIndex(String idxName, int nDocs, int size) throws IOException { | ||
| for (int i = 0; i < nDocs; i++) { | ||
| List<IndexRequestBuilder> builders = new ArrayList<>(); | ||
| builders.add( | ||
| prepareIndex(idxName).setId(Integer.toString(i)) | ||
| .setSource( | ||
| jsonBuilder().startObject() | ||
| .field(TERMS_AGGS_FIELD_1, "val" + i % 53) | ||
| .field(TERMS_AGGS_FIELD_2, "val" + i % 23) | ||
| .field(TERMS_AGGS_FIELD_3, "val" + i % 10) | ||
| .field(SORT_FIELD, i) | ||
| .field("text", "some text to entertain") | ||
| .field("large_text_1", Strings.repeat("this is a text field 1 ", size)) | ||
| .field("large_text_2", Strings.repeat("this is a text field 2 ", size)) | ||
| .field("large_text_3", Strings.repeat("this is a text field 3 ", size)) | ||
| .field("large_text_4", Strings.repeat("this is a text field 4 ", size)) | ||
| .field("large_text_5", Strings.repeat("this is a text field 5 ", size)) | ||
| .field("field1", 5) | ||
| .field("field2", 2.71) | ||
| .endObject() | ||
| ) | ||
| ); | ||
|
|
||
| indexRandom(true, builders); | ||
| } | ||
| } | ||
|
|
||
| private static SearchRequestBuilder query(String indexName) { | ||
| return prepareSearch(indexName).addAggregation( | ||
| terms("terms").executionHint(randomExecutionHint()) | ||
| .field(TERMS_AGGS_FIELD_1) | ||
| .subAggregation( | ||
| terms("terms").executionHint(randomExecutionHint()) | ||
| .field(TERMS_AGGS_FIELD_2) | ||
| .subAggregation( | ||
| terms("terms").executionHint(randomExecutionHint()) | ||
| .field(TERMS_AGGS_FIELD_2) | ||
| .subAggregation(topHits("hits").sort(SortBuilders.fieldSort(SORT_FIELD).order(SortOrder.DESC))) | ||
| ) | ||
| ) | ||
| ); | ||
| } | ||
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
These did not account for memory before anyway, but now they could.
The hard part is releasing the CB; I don't see close+relase logic around here, and I'm not very familiar with this code. Maybe this could be a follow-up