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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.model.content;
import com.yahoo.vespa.config.content.core.StorDistributormanagerConfig;
import com.yahoo.vespa.model.builder.xml.dom.ModelElement;
import com.yahoo.vespa.model.content.cluster.ContentCluster;
/**
* Represents configuration for bucket splitting.
*/
public class BucketSplitting implements StorDistributormanagerConfig.Producer {
Integer maxDocuments;
Integer splitSize;
Integer minSplitCount;
boolean useInlineBucketSplitting;
public static class Builder {
public BucketSplitting build(ContentCluster cluster, ModelElement clusterElem) {
ModelElement tuning = clusterElem.getChild("tuning");
if (tuning == null) {
return new BucketSplitting(cluster.isMemfilePersistence(), null, null, null);
}
ModelElement bucketSplitting = tuning.getChild("bucket-splitting");
if (bucketSplitting != null) {
Integer maxDocuments = bucketSplitting.getIntegerAttribute("max-documents");
Integer splitSize = bucketSplitting.getIntegerAttribute("max-size");
Integer minSplitCount = bucketSplitting.getIntegerAttribute("minimum-bits");
return new BucketSplitting(cluster.isMemfilePersistence(), maxDocuments, splitSize, minSplitCount);
}
return new BucketSplitting(cluster.isMemfilePersistence(), null, null, null);
}
}
public BucketSplitting(boolean useInlineBucketSplitting, Integer maxDocuments, Integer splitSize, Integer minSplitCount) {
this.maxDocuments = maxDocuments;
this.splitSize = splitSize;
this.minSplitCount = minSplitCount;
this.useInlineBucketSplitting = useInlineBucketSplitting;
}
@Override
public void getConfig(StorDistributormanagerConfig.Builder builder) {
if (maxDocuments != null) {
builder.splitcount(maxDocuments);
builder.joincount(maxDocuments / 2);
}
if (splitSize != null) {
builder.splitsize(splitSize);
builder.joinsize(splitSize / 2);
}
if (minSplitCount != null) {
builder.minsplitcount(minSplitCount);
}
builder.inlinebucketsplitting(useInlineBucketSplitting);
}
}
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