n3nash commented on issue #654: Many small files URL: https://github.com/apache/incubator-hudi/issues/654#issuecomment-489742356 @zk19930911 How much data do you ingest per batch ? Try reducing the following parallelisms : `hoodie.bulkinsert.shuffle.parallelism` & `hoodie.insert.shuffle.parallelism` from 1500 to a lower value like say 300 if every batch that you're ingesting is not a lot. Say you want to write 512MB files, you have 1 GB worth of data, parallelism set to between 3 - 5 might suffice. Obviously it will increase the runtime since you are writing larger parquet files..
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