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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/07/18 06:43:54 UTC

[GitHub] [doris] wsjz commented on pull request #10843: [feature] (multi-catalog) read parquet file by start/offset

wsjz commented on PR #10843:
URL: https://github.com/apache/doris/pull/10843#issuecomment-1186825360

   Test Param Control:
   1.  create hms catalog and use it in current version.
   2. split size setting at FE：Change the argument of inputFormat.getSplits(jobConf, 0) in ExternalHiveScanProvider. We can change the second argument '0' to 10 ，split will be divided into 100 parts, then each split  have the same size.
   4. row group size setting(MB)：set parquet.block.size= N * 1024 * 1024 when load data with hive/spark.


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