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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.content.storagecluster;
import com.yahoo.config.model.api.ModelContext;
import com.yahoo.vespa.config.content.StorFilestorConfig;
import com.yahoo.vespa.model.builder.xml.dom.ModelElement;
import com.yahoo.vespa.model.content.cluster.ContentCluster;
/**
* Serves stor-filestor for storage clusters.
*/
public class FileStorProducer implements StorFilestorConfig.Producer {
public static class Builder {
protected FileStorProducer build(ModelContext.Properties properties, ContentCluster parent, ModelElement clusterElem) {
return new FileStorProducer(properties.featureFlags(), parent, getThreads(clusterElem));
}
private Integer getThreads(ModelElement clusterElem) {
ModelElement tuning = clusterElem.child("tuning");
if (tuning == null) {
return null;
}
ModelElement threads = tuning.child("persistence-threads");
if (threads == null) {
return null;
}
Integer count = threads.integerAttribute("count");
if (count != null) {
return count;
}
// Backward compatible fallback
int numThreads = 0;
for (ModelElement thread : threads.subElements("thread")) {
count = thread.integerAttribute("count");
numThreads += (count == null) ? 1 : count;
}
return numThreads;
}
}
private final Integer numThreads;
private final ContentCluster cluster;
private final int responseNumThreads;
private final StorFilestorConfig.Response_sequencer_type.Enum responseSequencerType;
private final boolean useAsyncMessageHandlingOnSchedule;
private static StorFilestorConfig.Response_sequencer_type.Enum convertResponseSequencerType(String sequencerType) {
try {
return StorFilestorConfig.Response_sequencer_type.Enum.valueOf(sequencerType);
} catch (Throwable t) {
return StorFilestorConfig.Response_sequencer_type.Enum.ADAPTIVE;
}
}
public FileStorProducer(ModelContext.FeatureFlags featureFlags, ContentCluster parent, Integer numThreads) {
this.numThreads = numThreads;
this.cluster = parent;
this.responseNumThreads = featureFlags.defaultNumResponseThreads();
this.responseSequencerType = convertResponseSequencerType(featureFlags.responseSequencerType());
this.useAsyncMessageHandlingOnSchedule = featureFlags.useAsyncMessageHandlingOnSchedule();
}
@Override
public void getConfig(StorFilestorConfig.Builder builder) {
if (numThreads != null) {
builder.num_threads(numThreads);
}
builder.enable_multibit_split_optimalization(cluster.getPersistence().enableMultiLevelSplitting());
builder.num_response_threads(responseNumThreads);
builder.response_sequencer_type(responseSequencerType);
builder.use_async_message_handling_on_schedule(useAsyncMessageHandlingOnSchedule);
builder.use_per_document_throttled_delete_bucket(true);
var throttleBuilder = new StorFilestorConfig.Async_operation_throttler.Builder();
builder.async_operation_throttler(throttleBuilder);
}
}
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