Package org.apache.lucene.codecs.uniformsplit

Class RamUsageUtil

  • public class RamUsageUtil
extends Object
    Utility methods to estimate the RAM usage of objects. It relies on RamUsageEstimator.
    WARNING: This API is experimental and might change in incompatible ways in the next release.

    • Constructor Detail

      • RamUsageUtil

        public RamUsageUtil()

    • Method Detail

      • ramBytesUsed

        public static long ramBytesUsed​(BytesRef bytesRef)

      • ramBytesUsed

        public static long ramBytesUsed​(BytesRefBuilder bytesRefBuilder)

      • ramBytesUsed

        public static long ramBytesUsed​(TermState termState)

      • ramBytesUsedByByteArrayOfLength

        public static long ramBytesUsedByByteArrayOfLength​(int length)

      • ramBytesUsedByHashMapOfSize

        public static long ramBytesUsedByHashMapOfSize​(int size)

      • ramBytesUsedByUnmodifiableArrayListOfSize

        public static long ramBytesUsedByUnmodifiableArrayListOfSize​(int size)

      • ramBytesUsedByObjectArrayOfLength

        public static long ramBytesUsedByObjectArrayOfLength​(int length)