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Merge branch 'main' into refactor-extensions-yml
Signed-off-by: Sarat Vemulapalli <[email protected]>
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84 changes: 84 additions & 0 deletions
84
server/src/main/java/org/opensearch/cluster/routing/WeightedRoutingStats.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| /* | ||
| * 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.cluster.routing; | ||
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| import org.opensearch.common.io.stream.StreamInput; | ||
| import org.opensearch.common.io.stream.StreamOutput; | ||
| import org.opensearch.common.io.stream.Writeable; | ||
| import org.opensearch.common.xcontent.ToXContent; | ||
| import org.opensearch.common.xcontent.ToXContentFragment; | ||
| import org.opensearch.common.xcontent.XContentBuilder; | ||
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| import java.io.IOException; | ||
| import java.util.Objects; | ||
| import java.util.concurrent.atomic.AtomicInteger; | ||
|
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| /** | ||
| * Captures weighted shard routing stats per node. See {@link WeightedRoutingService} for more details. | ||
| * | ||
| * @opensearch.internal | ||
| */ | ||
| public class WeightedRoutingStats implements ToXContentFragment, Writeable { | ||
| // number of times fail open has to be executed for search requests | ||
| private AtomicInteger failOpenCount; | ||
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| private static final WeightedRoutingStats INSTANCE = new WeightedRoutingStats(); | ||
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| public static WeightedRoutingStats getInstance() { | ||
| return INSTANCE; | ||
| } | ||
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| private WeightedRoutingStats() { | ||
| failOpenCount = new AtomicInteger(0); | ||
| } | ||
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| public WeightedRoutingStats(StreamInput in) throws IOException { | ||
| failOpenCount = new AtomicInteger(in.readInt()); | ||
| } | ||
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| public void updateFailOpenCount() { | ||
| failOpenCount.getAndIncrement(); | ||
| } | ||
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| @Override | ||
| public XContentBuilder toXContent(XContentBuilder builder, ToXContent.Params params) throws IOException { | ||
| builder.startObject("weighted_routing"); | ||
| builder.startObject("stats"); | ||
| builder.field("fail_open_count", getFailOpenCount()); | ||
| builder.endObject(); | ||
| builder.endObject(); | ||
| return builder; | ||
| } | ||
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| public int getFailOpenCount() { | ||
| return failOpenCount.get(); | ||
| } | ||
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| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| out.writeInt(failOpenCount.get()); | ||
| } | ||
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) return true; | ||
| if (o == null || getClass() != o.getClass()) return false; | ||
| WeightedRoutingStats that = (WeightedRoutingStats) o; | ||
| return failOpenCount.equals(that.failOpenCount); | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(failOpenCount); | ||
| } | ||
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| public void resetFailOpenCount() { | ||
| failOpenCount.set(0); | ||
| } | ||
| } |
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