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Posted to issues@iceberg.apache.org by GitBox <gi...@apache.org> on 2021/12/15 11:52:18 UTC

[GitHub] [iceberg] yohengyangyang edited a comment on issue #3741: [Improvement] ParallelIterable#hasNext submit reading ManifestFile task slowly with DataTableScan#planTasks

yohengyangyang edited a comment on issue #3741:
URL: https://github.com/apache/iceberg/issues/3741#issuecomment-994710762


   @liupan664021 awsome thks for suggestion~ , i make both ManifestFiles.read() and ManifestReader.entries() to parallel threads ，We have applied [#3742](https://github.com/apache/iceberg/pull/3742) on our online clusterr, but trino query performance did not reach the expected multiple level of improvement, I'm still doing further performance testing.


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