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Posted to issues@iceberg.apache.org by GitBox <gi...@apache.org> on 2022/05/20 02:38:30 UTC

[GitHub] [iceberg] lirui-apache commented on issue #4822: ParallelIterator is using too much memory

lirui-apache commented on issue #4822:
URL: https://github.com/apache/iceberg/issues/4822#issuecomment-1132396666

   By analyzing the heap dump, we also noticed some memory inefficiency regarding how column stats is stored. E.g. object overhead ratio is high because there's a map for each single metric.


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