Example usage for org.apache.lucene.index OrdinalMap ramBytesUsed

Introduction

In this page you can find the example usage for org.apache.lucene.index OrdinalMap ramBytesUsed.

Prototype

long ramBytesUsed

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Usage

From source file:org.elasticsearch.index.fielddata.ordinals.GlobalOrdinalsBuilder.java

License:Apache License

/**
 * Build global ordinals for the provided {@link IndexReader}.
 *//*  w  w  w. ja  va 2s.  c  o  m*/
public static IndexOrdinalsFieldData build(final IndexReader indexReader, IndexOrdinalsFieldData indexFieldData,
        Settings settings, CircuitBreakerService breakerService, ESLogger logger) throws IOException {
    assert indexReader.leaves().size() > 1;
    long startTimeNS = System.nanoTime();

    final AtomicOrdinalsFieldData[] atomicFD = new AtomicOrdinalsFieldData[indexReader.leaves().size()];
    final RandomAccessOrds[] subs = new RandomAccessOrds[indexReader.leaves().size()];
    for (int i = 0; i < indexReader.leaves().size(); ++i) {
        atomicFD[i] = indexFieldData.load(indexReader.leaves().get(i));
        subs[i] = atomicFD[i].getOrdinalsValues();
    }
    final OrdinalMap ordinalMap = OrdinalMap.build(null, subs, PackedInts.DEFAULT);
    final long memorySizeInBytes = ordinalMap.ramBytesUsed();
    breakerService.getBreaker(CircuitBreaker.FIELDDATA).addWithoutBreaking(memorySizeInBytes);

    if (logger.isDebugEnabled()) {
        logger.debug("Global-ordinals[{}][{}] took {} ms", indexFieldData.getFieldNames().fullName(),
                ordinalMap.getValueCount(), TimeValue.nsecToMSec(System.nanoTime() - startTimeNS));
    }
    return new InternalGlobalOrdinalsIndexFieldData(indexFieldData.index(), settings,
            indexFieldData.getFieldNames(), indexFieldData.getFieldDataType(), atomicFD, ordinalMap,
            memorySizeInBytes);
}

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