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What is SerialBatchApexRangeChunkHandler, any documentation ?
When a batch job is scheduled to run, Its invocating several "SerialBatchApexRangeChunkHandler" other batch jobs (in my case its 64). Do we have any documentaion available on the same or whats happening internally on the platform ?
If you process 1000 records these will be processed in 5 chunks of 200 records. For each chunk, you will see a SerialBatchApexRangeChunkHandler (it corresponds to the execute method in the batch).
Please let us know if this helps.
Best Regards,
Nagendra.
Nagendra's answer is correct. Every chunk the SerialBatchApexRangChunkHandler is done. By default the size is 200, however, you can also override the batch size using Database.executeBatch(Batchable class, batch size)