@Override
  public void init(Context context) {
    MetricsConfig metricsConfig = new MetricsConfig(context.getJobContext().getConfig());
    clock = metricsConfig.getMetricsTimerEnabled()
        ? () -> System.nanoTime()
        : () -> 0L;
    metrics = new TableMetrics(context, this, tableId);
  }
Construct an instance
@param tableId Id of the table
samza-core/src/main/java/org/apache/samza/table/BaseReadWriteUpdateTable.java