Query on KafkaImporter Batch Size

Few Queries Related to KafkaImporter

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Query 1: In KafkaImporter, there is option to Define the Batch Size (–batch <batch_size>). Please let us know what will happen if Batch Size 10000 and OMNISCI Database restarted after loading 10 or 1000 Records.

Query 2 : Is Batch Size is Data Commit in Table or this is something different?

Query 3: --retry_count <retry_number> and --retry_wait Parameter Use case.

Regards,
Sumit