forked from opensearch-project/OpenSearch
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Weighted round-robin scheduling policy for shard coordination traffic… (
opensearch-project#4241) * Weighted round-robin scheduling policy for shard coordination traffic routing Signed-off-by: Anshu Agarwal <[email protected]>
- Loading branch information
Showing
13 changed files
with
1,254 additions
and
8 deletions.
There are no files selected for viewing
This file contains 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 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 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
167 changes: 167 additions & 0 deletions
167
server/src/main/java/org/opensearch/cluster/metadata/WeightedRoutingMetadata.java
This file contains 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 +1,167 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
||
| package org.opensearch.cluster.metadata; | ||
|
|
||
| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
| import org.opensearch.OpenSearchParseException; | ||
| import org.opensearch.Version; | ||
| import org.opensearch.cluster.AbstractNamedDiffable; | ||
| import org.opensearch.cluster.NamedDiff; | ||
| import org.opensearch.cluster.routing.WeightedRouting; | ||
| import org.opensearch.common.Strings; | ||
| import org.opensearch.common.io.stream.StreamInput; | ||
| import org.opensearch.common.io.stream.StreamOutput; | ||
| import org.opensearch.common.xcontent.ToXContent; | ||
| import org.opensearch.common.xcontent.XContentBuilder; | ||
| import org.opensearch.common.xcontent.XContentParser; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.EnumSet; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
|
|
||
| /** | ||
| * Contains metadata for weighted routing | ||
| * | ||
| * @opensearch.internal | ||
| */ | ||
| public class WeightedRoutingMetadata extends AbstractNamedDiffable<Metadata.Custom> implements Metadata.Custom { | ||
| private static final Logger logger = LogManager.getLogger(WeightedRoutingMetadata.class); | ||
| public static final String TYPE = "weighted_shard_routing"; | ||
| public static final String AWARENESS = "awareness"; | ||
| private WeightedRouting weightedRouting; | ||
|
|
||
| public WeightedRouting getWeightedRouting() { | ||
| return weightedRouting; | ||
| } | ||
|
|
||
| public WeightedRoutingMetadata setWeightedRouting(WeightedRouting weightedRouting) { | ||
| this.weightedRouting = weightedRouting; | ||
| return this; | ||
| } | ||
|
|
||
| public WeightedRoutingMetadata(StreamInput in) throws IOException { | ||
| if (in.available() != 0) { | ||
| this.weightedRouting = new WeightedRouting(in); | ||
| } | ||
| } | ||
|
|
||
| public WeightedRoutingMetadata(WeightedRouting weightedRouting) { | ||
| this.weightedRouting = weightedRouting; | ||
| } | ||
|
|
||
| @Override | ||
| public EnumSet<Metadata.XContentContext> context() { | ||
| return Metadata.API_AND_GATEWAY; | ||
| } | ||
|
|
||
| @Override | ||
| public String getWriteableName() { | ||
| return TYPE; | ||
| } | ||
|
|
||
| @Override | ||
| public Version getMinimalSupportedVersion() { | ||
| return Version.V_2_4_0; | ||
| } | ||
|
|
||
| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| if (weightedRouting != null) { | ||
| weightedRouting.writeTo(out); | ||
| } | ||
| } | ||
|
|
||
| public static NamedDiff<Metadata.Custom> readDiffFrom(StreamInput in) throws IOException { | ||
| return readDiffFrom(Metadata.Custom.class, TYPE, in); | ||
| } | ||
|
|
||
| public static WeightedRoutingMetadata fromXContent(XContentParser parser) throws IOException { | ||
| String attrKey = null; | ||
| Double attrValue; | ||
| String attributeName = null; | ||
| Map<String, Double> weights = new HashMap<>(); | ||
| WeightedRouting weightedRouting = null; | ||
| XContentParser.Token token; | ||
| // move to the first alias | ||
| parser.nextToken(); | ||
| String awarenessField = null; | ||
|
|
||
| while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) { | ||
| if (token == XContentParser.Token.FIELD_NAME) { | ||
| awarenessField = parser.currentName(); | ||
| if (parser.nextToken() != XContentParser.Token.START_OBJECT) { | ||
| throw new OpenSearchParseException( | ||
| "failed to parse weighted routing metadata [{}], expected " + "object", | ||
| awarenessField | ||
| ); | ||
| } | ||
| while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) { | ||
| attributeName = parser.currentName(); | ||
| if (parser.nextToken() != XContentParser.Token.START_OBJECT) { | ||
| throw new OpenSearchParseException( | ||
| "failed to parse weighted routing metadata [{}], expected" + " object", | ||
| attributeName | ||
| ); | ||
| } | ||
| while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) { | ||
| if (token == XContentParser.Token.FIELD_NAME) { | ||
| attrKey = parser.currentName(); | ||
| } else if (token == XContentParser.Token.VALUE_NUMBER) { | ||
| attrValue = Double.parseDouble(parser.text()); | ||
| weights.put(attrKey, attrValue); | ||
| } else { | ||
| throw new OpenSearchParseException( | ||
| "failed to parse weighted routing metadata attribute " + "[{}], unknown type", | ||
| attributeName | ||
| ); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| weightedRouting = new WeightedRouting(attributeName, weights); | ||
| return new WeightedRoutingMetadata(weightedRouting); | ||
| } | ||
|
|
||
| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) return true; | ||
| if (o == null || getClass() != o.getClass()) return false; | ||
| WeightedRoutingMetadata that = (WeightedRoutingMetadata) o; | ||
| return weightedRouting.equals(that.weightedRouting); | ||
| } | ||
|
|
||
| @Override | ||
| public int hashCode() { | ||
| return weightedRouting.hashCode(); | ||
| } | ||
|
|
||
| @Override | ||
| public XContentBuilder toXContent(XContentBuilder builder, ToXContent.Params params) throws IOException { | ||
| toXContent(weightedRouting, builder); | ||
| return builder; | ||
| } | ||
|
|
||
| public static void toXContent(WeightedRouting weightedRouting, XContentBuilder builder) throws IOException { | ||
| builder.startObject(AWARENESS); | ||
| builder.startObject(weightedRouting.attributeName()); | ||
| for (Map.Entry<String, Double> entry : weightedRouting.weights().entrySet()) { | ||
| builder.field(entry.getKey(), entry.getValue()); | ||
| } | ||
| builder.endObject(); | ||
| builder.endObject(); | ||
| } | ||
|
|
||
| @Override | ||
| public String toString() { | ||
| return Strings.toString(this); | ||
| } | ||
| } |
This file contains 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
Oops, something went wrong.