aeron-client/src/main/java/io/aeron/logbuffer/LogBufferDescriptor.java
public static void rawTail(final UnsafeBuffer metadataBuffer, final int partitionIndex, final long rawTail)
    {
        metadataBuffer.putLong(TERM_TAIL_COUNTERS_OFFSET + (SIZE_OF_LONG * partitionIndex), rawTail);
    }
public static void rawTail(final UnsafeBuffer metadataBuffer, final int partitionIndex, final long rawTail)
    {
        metadataBuffer.putLong(TERM_TAIL_COUNTERS_OFFSET + (SIZE_OF_LONG * partitionIndex), rawTail);
    }
Set the raw value of the tail for the given partition.

@param metadataBuffer containing the tail counters.
@param partitionIndex for the tail counter.
@param rawTail        to be stored