org.apache.hudi.common.util.HoodieRecordSizeEstimator Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
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* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.hudi.common.util;
import org.apache.hudi.common.model.HoodieRecord;
import org.apache.hudi.common.util.collection.ExternalSpillableMap;
import org.apache.avro.Schema;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
/**
* Size Estimator for Hoodie record payload.
*
* @param
*/
public class HoodieRecordSizeEstimator implements SizeEstimator> {
private static final Logger LOG = LogManager.getLogger(HoodieRecordSizeEstimator.class);
private final long sizeOfSchema;
public HoodieRecordSizeEstimator(Schema schema) {
sizeOfSchema = ObjectSizeCalculator.getObjectSize(schema);
}
@Override
public long sizeEstimate(HoodieRecord hoodieRecord) {
// Most HoodieRecords are bound to have data + schema. Although, the same schema object is shared amongst
// all records in the JVM. Calculate and print the size of the Schema and of the Record to
// note the sizes and differences. A correct estimation in such cases is handled in
/** {@link ExternalSpillableMap} **/
long sizeOfRecord = ObjectSizeCalculator.getObjectSize(hoodieRecord);
LOG.debug("SizeOfRecord => " + sizeOfRecord + " SizeOfSchema => " + sizeOfSchema);
return sizeOfRecord;
}
}