Monitor dataset replication latency and network egress bytes in Cloud Monitoring

## Feature Feature Monitor dataset replication latency and network egress bytes in Cloud Monitoring for BigQuery [cross-region replication](https://cloud.google.com/bigquery/docs/data-replication#monitor-replication)and [managed disaster recovery](https://cloud.google.com/bigquery/docs/managed-disaster-recovery#monitor-replication). These metrics are [generally available](https://cloud.google.com/products/#product-launch-stages)(GA). ## Feature Feature You can now use [continuous queries to stream BigQuery data to Spanner in real time](https://cloud.google.com/bigquery/docs/continuous-queries#spanner-example). This feature is[generally available](https://cloud.google.com/products/#product-launch-stages)(GA).