tverdokhlebd commented on issue #1491: [SUPPORT] OutOfMemoryError during upsert 53M records URL: https://github.com/apache/incubator-hudi/issues/1491#issuecomment-611462195 Hmm, this is strange :( I have tried with your parameters (parallelism and memory), but it does not help me again: 1. Do "bulk_insert" with append mode to partition path "2020-03-19" from the CSV file 2. Do "upsert" with append mode to partition path "2020-03-19" from the same CSV file I did those operations with 2 threads and 6GB driver memory and without parameter "hoodie.delete.shuffle.parallelism". I think that parameter doesn't affect processing.
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