From Salesforce documentation and questions such as Bulk api query batch size limit is 10,000 records, it appears that the batch size limit is 10,000 records for V1 bulk API.

Also listed here: https://sf.watch/articles/147/salesforce-bulk-api-v1-vs-salesforce-bulk-api-v2-a-general-guide/

Using data loader I see the following for 144717 records:

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Why is it only showing 1 batch and not 15?

1 Answer 1


For queries, the documentation actually says that v1 will only return one batch unless PK chunking is enabled.

Without PK chunking enabled, only one batch is created. If you create a batch with PK chunking enabled, batches are broken up based on the number of records in the chunk. This can range from 100,000 to 250,000 records.

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