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[Backport 2.x] [Bugfix] Fix TieredSpilloverCache flaky tests #14365

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Merged
dblock merged 1 commit into from
Jun 17, 2024
Merged

[Backport 2.x] [Bugfix] Fix TieredSpilloverCache flaky tests #14365

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6 changes: 6 additions & 0 deletions ...nternalClusterTest/java/org/opensearch/cache/common/tier/TieredSpilloverCacheStatsIT.java
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@

import org.opensearch.action.admin.cluster.node.stats.NodesStatsRequest;
import org.opensearch.action.admin.cluster.node.stats.NodesStatsResponse;
import org.opensearch.action.admin.indices.forcemerge.ForceMergeResponse;
import org.opensearch.action.admin.indices.stats.CommonStatsFlags;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.client.Client;
Expand All @@ -20,6 +21,7 @@
import org.opensearch.common.cache.stats.ImmutableCacheStatsHolder;
import org.opensearch.common.settings.Settings;
import org.opensearch.common.unit.TimeValue;
import org.opensearch.index.IndexSettings;
import org.opensearch.index.cache.request.RequestCacheStats;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.indices.IndicesRequestCache;
Expand Down Expand Up @@ -351,11 +353,15 @@ private void startIndex(Client client, String indexName) throws InterruptedExcep
.put(IndicesRequestCache.INDEX_CACHE_REQUEST_ENABLED_SETTING.getKey(), true)
.put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 1)
.put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 0)
// Disable index refreshing to avoid cache being invalidated mid-test
.put(IndexSettings.INDEX_REFRESH_INTERVAL_SETTING.getKey(), TimeValue.timeValueMillis(-1))
.build()
)
.get()
);
indexRandom(true, client.prepareIndex(indexName).setSource("k", "hello"));
// Force merge the index to ensure there can be no background merges during the subsequent searches that would invalidate the cache
ForceMergeResponse forceMergeResponse = client.admin().indices().prepareForceMerge(indexName).setFlush(true).get();
ensureSearchable(indexName);
}

Expand Down
7 changes: 7 additions & 0 deletions ...c/internalClusterTest/java/org/opensearch/indices/CacheStatsAPIIndicesRequestCacheIT.java
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
import org.opensearch.action.admin.cluster.node.stats.NodesStatsRequest;
import org.opensearch.action.admin.cluster.node.stats.NodesStatsResponse;
import org.opensearch.action.admin.indices.cache.clear.ClearIndicesCacheRequest;
import org.opensearch.action.admin.indices.forcemerge.ForceMergeResponse;
import org.opensearch.action.admin.indices.stats.CommonStatsFlags;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.client.Client;
Expand All @@ -23,12 +24,14 @@
import org.opensearch.common.cache.stats.ImmutableCacheStats;
import org.opensearch.common.cache.stats.ImmutableCacheStatsHolder;
import org.opensearch.common.settings.Settings;
import org.opensearch.common.unit.TimeValue;
import org.opensearch.common.util.FeatureFlags;
import org.opensearch.common.xcontent.XContentFactory;
import org.opensearch.common.xcontent.XContentHelper;
import org.opensearch.core.xcontent.MediaTypeRegistry;
import org.opensearch.core.xcontent.ToXContent;
import org.opensearch.core.xcontent.XContentBuilder;
import org.opensearch.index.IndexSettings;
import org.opensearch.index.cache.request.RequestCacheStats;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.test.OpenSearchIntegTestCase;
Expand Down Expand Up @@ -266,10 +269,14 @@ private void startIndex(Client client, String indexName) throws InterruptedExcep
.put(IndicesRequestCache.INDEX_CACHE_REQUEST_ENABLED_SETTING.getKey(), true)
.put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 1)
.put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 0)
// Disable index refreshing to avoid cache being invalidated mid-test
.put(IndexSettings.INDEX_REFRESH_INTERVAL_SETTING.getKey(), TimeValue.timeValueMillis(-1))
)
.get()
);
indexRandom(true, client.prepareIndex(indexName).setSource("k", "hello"));
// Force merge the index to ensure there can be no background merges during the subsequent searches that would invalidate the cache
ForceMergeResponse forceMergeResponse = client.admin().indices().prepareForceMerge(indexName).setFlush(true).get();
ensureSearchable(indexName);
}

Expand Down
23 changes: 23 additions & 0 deletions server/src/main/java/org/opensearch/common/cache/stats/ImmutableCacheStats.java
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Expand Up @@ -115,6 +115,29 @@ public XContentBuilder toXContent(XContentBuilder builder, Params params) throws
return builder;
}

@Override
public String toString() {
return Fields.HIT_COUNT
+ "="
+ hits
+ ", "
+ Fields.MISS_COUNT
+ "="
+ misses
+ ", "
+ Fields.EVICTIONS
+ "="
+ evictions
+ ", "
+ Fields.SIZE_IN_BYTES
+ "="
+ sizeInBytes
+ ", "
+ Fields.ITEM_COUNT
+ "="
+ items;
}

/**
* Field names used to write the values in this object to XContent.
*/
Expand Down