Continue to write data to Bigtable but create a Cloud Dataflow job to copy data to a Cloud Firestore data warehouse for batch operations.

Isolate the write and batch workloads by adding a second cluster to the Bigtable instance and create two app profiles, one for write traffic and one for batch jobs.

Continue to write data to Bigtable but create a Cloud Dataflow job to copy data to a Cloud Spanner data warehouse for batch operations.

Isolate the write and batch workloads by adding a second set of tables to the Bigtable instance and write the data needed by batch jobs to the second set of tables.