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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.model.search;
import com.yahoo.config.model.api.ModelContext;
import com.yahoo.config.model.deploy.DeployState;
import com.yahoo.config.model.producer.AnyConfigProducer;
import com.yahoo.config.model.producer.TreeConfigProducer;
import com.yahoo.schema.DocumentOnlySchema;
import com.yahoo.schema.derived.DerivedConfiguration;
import com.yahoo.schema.derived.SchemaInfo;
import com.yahoo.vespa.config.search.DispatchConfig;
import com.yahoo.vespa.config.search.DispatchConfig.DistributionPolicy;
import com.yahoo.vespa.config.search.DispatchNodesConfig;
import com.yahoo.vespa.model.content.DispatchTuning;
import com.yahoo.vespa.model.content.Redundancy;
import com.yahoo.vespa.model.content.SearchCoverage;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* @author baldersheim
*/
public class IndexedSearchCluster extends SearchCluster implements
DispatchConfig.Producer,
DispatchNodesConfig.Producer
{
private Tuning tuning;
private SearchCoverage searchCoverage;
private final Redundancy.Provider redundancyProvider;
private final List<SearchNode> searchNodes = new ArrayList<>();
private final DispatchTuning.DispatchPolicy defaultDispatchPolicy;
private final double dispatchWarmup;
private final String summaryDecodePolicy;
public IndexedSearchCluster(TreeConfigProducer<AnyConfigProducer> parent, String clusterName, int index,
Redundancy.Provider redundancyProvider, ModelContext.FeatureFlags featureFlags) {
super(parent, clusterName, index);
this.redundancyProvider = redundancyProvider;
defaultDispatchPolicy = DispatchTuning.Builder.toDispatchPolicy(featureFlags.queryDispatchPolicy());
dispatchWarmup = featureFlags.queryDispatchWarmup();
summaryDecodePolicy = featureFlags.summaryDecodePolicy();
}
@Override
protected IndexingMode getIndexingMode() { return IndexingMode.REALTIME; }
public void addSearcher(SearchNode searcher) {
searchNodes.add(searcher);
}
public List<SearchNode> getSearchNodes() { return Collections.unmodifiableList(searchNodes); }
public int getSearchNodeCount() { return searchNodes.size(); }
public SearchNode getSearchNode(int index) { return searchNodes.get(index); }
public void setTuning(Tuning tuning) {
this.tuning = tuning;
}
public Tuning getTuning() { return tuning; }
@Override
public void deriveFromSchemas(DeployState deployState) {
for (SchemaInfo spec : schemas().values()) {
if (spec.fullSchema() instanceof DocumentOnlySchema) continue;
var db = new DocumentDatabase(this, spec.fullSchema().getName(),
new DerivedConfiguration(deployState, spec.fullSchema(), spec.getIndexMode()));
add(db);
}
}
public void setSearchCoverage(SearchCoverage searchCoverage) {
this.searchCoverage = searchCoverage;
}
private static DistributionPolicy.Enum toDistributionPolicy(DispatchTuning.DispatchPolicy tuning) {
return switch (tuning) {
case ADAPTIVE: yield DistributionPolicy.ADAPTIVE;
case ROUNDROBIN: yield DistributionPolicy.ROUNDROBIN;
case BEST_OF_RANDOM_2: yield DistributionPolicy.BEST_OF_RANDOM_2;
case LATENCY_AMORTIZED_OVER_REQUESTS: yield DistributionPolicy.LATENCY_AMORTIZED_OVER_REQUESTS;
case LATENCY_AMORTIZED_OVER_TIME: yield DistributionPolicy.LATENCY_AMORTIZED_OVER_TIME;
};
}
@Override
public void getConfig(DispatchNodesConfig.Builder builder) {
for (SearchNode node : getSearchNodes()) {
DispatchNodesConfig.Node.Builder nodeBuilder = new DispatchNodesConfig.Node.Builder();
nodeBuilder.key(node.getDistributionKey());
nodeBuilder.group(node.getNodeSpec().groupIndex());
nodeBuilder.host(node.getHostName());
nodeBuilder.port(node.getRpcPort());
builder.node(nodeBuilder);
}
}
@Override
public void getConfig(DispatchConfig.Builder builder) {
if (tuning.dispatch.getTopkProbability() != null) {
builder.topKProbability(tuning.dispatch.getTopkProbability());
}
if (tuning.dispatch.getMinActiveDocsCoverage() != null)
builder.minActivedocsPercentage(tuning.dispatch.getMinActiveDocsCoverage());
if (tuning.dispatch.getDispatchPolicy() != null) {
builder.distributionPolicy(toDistributionPolicy(tuning.dispatch.getDispatchPolicy()));
} else {
builder.distributionPolicy(toDistributionPolicy(defaultDispatchPolicy));
}
if (tuning.dispatch.getMaxHitsPerPartition() != null)
builder.maxHitsPerNode(tuning.dispatch.getMaxHitsPerPartition());
builder.redundancy(redundancyProvider.redundancy().finalRedundancy());
if (searchCoverage != null) {
if (searchCoverage.getMinimum() != null)
builder.minSearchCoverage(searchCoverage.getMinimum() * 100.0);
if (searchCoverage.getMinWaitAfterCoverageFactor() != null)
builder.minWaitAfterCoverageFactor(searchCoverage.getMinWaitAfterCoverageFactor());
if (searchCoverage.getMaxWaitAfterCoverageFactor() != null)
builder.maxWaitAfterCoverageFactor(searchCoverage.getMaxWaitAfterCoverageFactor());
}
builder.warmuptime(dispatchWarmup);
builder.summaryDecodePolicy(toSummaryDecoding(summaryDecodePolicy));
}
private DispatchConfig.SummaryDecodePolicy.Enum toSummaryDecoding(String summaryDecodeType) {
return switch (summaryDecodeType.toLowerCase()) {
case "eager" -> DispatchConfig.SummaryDecodePolicy.EAGER;
case "ondemand","on-demand" -> DispatchConfig.SummaryDecodePolicy.Enum.ONDEMAND;
default -> DispatchConfig.SummaryDecodePolicy.Enum.EAGER;
};
}
@Override
public String toString() {
return "Indexing cluster '" + getClusterName() + "'";
}
}
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