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124 changes: 124 additions & 0 deletions
124
server/src/main/java/org/opensearch/action/search/SearchRequestContext.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| */ | ||
|
|
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| package org.opensearch.action.search; | ||
|
|
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| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.lucene.search.TotalHits; | ||
|
|
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| import java.util.EnumMap; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Locale; | ||
| import java.util.Map; | ||
|
|
||
| /** | ||
| * This class holds request-level context for search queries at the coordinator node | ||
| * | ||
| * @opensearch.internal | ||
| */ | ||
| public class SearchRequestContext { | ||
| private final SearchRequestOperationsListener searchRequestOperationsListener; | ||
| private long absoluteStartNanos; | ||
| private final Map<String, Long> phaseTookMap; | ||
| private TotalHits totalHits; | ||
| private final EnumMap<ShardStatsFieldNames, Integer> shardStats; | ||
|
|
||
| /** | ||
| * This constructor is for testing only | ||
| */ | ||
| public SearchRequestContext() { | ||
| this(new SearchRequestOperationsListener.CompositeListener(List.of(), LogManager.getLogger())); | ||
| } | ||
|
|
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| public SearchRequestContext(SearchRequestOperationsListener searchRequestOperationsListener) { | ||
| this.searchRequestOperationsListener = searchRequestOperationsListener; | ||
| this.absoluteStartNanos = System.nanoTime(); | ||
| this.phaseTookMap = new HashMap<>(); | ||
| this.shardStats = new EnumMap<>(ShardStatsFieldNames.class); | ||
| } | ||
|
|
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| SearchRequestOperationsListener getSearchRequestOperationsListener() { | ||
| return searchRequestOperationsListener; | ||
| } | ||
|
|
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| void updatePhaseTookMap(String phaseName, Long tookTime) { | ||
| this.phaseTookMap.put(phaseName, tookTime); | ||
| } | ||
|
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| Map<String, Long> phaseTookMap() { | ||
| return phaseTookMap; | ||
| } | ||
|
|
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| /** | ||
| * Override absoluteStartNanos set in constructor. | ||
| * For testing only | ||
| */ | ||
| void setAbsoluteStartNanos(long absoluteStartNanos) { | ||
| this.absoluteStartNanos = absoluteStartNanos; | ||
| } | ||
|
|
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| /** | ||
| * Request start time in nanos | ||
| */ | ||
| long getAbsoluteStartNanos() { | ||
| return absoluteStartNanos; | ||
| } | ||
|
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| void setTotalHits(TotalHits totalHits) { | ||
| this.totalHits = totalHits; | ||
| } | ||
|
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| TotalHits totalHits() { | ||
| return totalHits; | ||
| } | ||
|
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| void setShardStats(int total, int successful, int skipped, int failed) { | ||
| this.shardStats.put(ShardStatsFieldNames.SEARCH_REQUEST_SLOWLOG_SHARD_TOTAL, total); | ||
| this.shardStats.put(ShardStatsFieldNames.SEARCH_REQUEST_SLOWLOG_SHARD_SUCCESSFUL, successful); | ||
| this.shardStats.put(ShardStatsFieldNames.SEARCH_REQUEST_SLOWLOG_SHARD_SKIPPED, skipped); | ||
| this.shardStats.put(ShardStatsFieldNames.SEARCH_REQUEST_SLOWLOG_SHARD_FAILED, failed); | ||
| } | ||
|
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| String formattedShardStats() { | ||
| if (shardStats.isEmpty()) { | ||
| return ""; | ||
| } else { | ||
| return String.format( | ||
| Locale.ROOT, | ||
| "{%s:%s, %s:%s, %s:%s, %s:%s}", | ||
| ShardStatsFieldNames.SEARCH_REQUEST_SLOWLOG_SHARD_TOTAL.toString(), | ||
| shardStats.get(ShardStatsFieldNames.SEARCH_REQUEST_SLOWLOG_SHARD_TOTAL), | ||
| ShardStatsFieldNames.SEARCH_REQUEST_SLOWLOG_SHARD_SUCCESSFUL.toString(), | ||
| shardStats.get(ShardStatsFieldNames.SEARCH_REQUEST_SLOWLOG_SHARD_SUCCESSFUL), | ||
| ShardStatsFieldNames.SEARCH_REQUEST_SLOWLOG_SHARD_SKIPPED.toString(), | ||
| shardStats.get(ShardStatsFieldNames.SEARCH_REQUEST_SLOWLOG_SHARD_SKIPPED), | ||
| ShardStatsFieldNames.SEARCH_REQUEST_SLOWLOG_SHARD_FAILED.toString(), | ||
| shardStats.get(ShardStatsFieldNames.SEARCH_REQUEST_SLOWLOG_SHARD_FAILED) | ||
| ); | ||
| } | ||
| } | ||
| } | ||
|
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| enum ShardStatsFieldNames { | ||
| SEARCH_REQUEST_SLOWLOG_SHARD_TOTAL("total"), | ||
| SEARCH_REQUEST_SLOWLOG_SHARD_SUCCESSFUL("successful"), | ||
| SEARCH_REQUEST_SLOWLOG_SHARD_SKIPPED("skipped"), | ||
| SEARCH_REQUEST_SLOWLOG_SHARD_FAILED("failed"); | ||
|
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| private final String name; | ||
|
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| ShardStatsFieldNames(String name) { | ||
| this.name = name; | ||
| } | ||
|
|
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| @Override | ||
| public String toString() { | ||
| return this.name; | ||
| } | ||
| } |
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