presto-main/src/main/java/io/prestosql/operator/TableWriterOperator.java/TableWriterOperator/getInfo
class TableWriterOperator:    @VisibleForTesting
    TableWriterInfo getInfo()
    {
        return new TableWriterInfo(
                pageSinkPeakMemoryUsage.get(),
                new Duration(statisticsTiming.getWallNanos(), NANOSECONDS).convertToMostSuccinctTimeUnit(),
                new Duration(statisticsTiming.getCpuNanos(), NANOSECONDS).convertToMostSuccinctTimeUnit(),
                new Duration(pageSink.getValidationCpuNanos(), NANOSECONDS).convertToMostSuccinctTimeUnit());
    }