Review Request 32609: HIVE-10136 BaseWork.vectorMode hides AbstractOperatorDesc.vectorMode

--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/32609/ --- Review request for hive and Alan Gates. Bugs: HIVE-10136 https://issues.apa

[jira] [Created] (HIVE-10136) BaseWork.vectorMode hides AbstractOperatorDesc.vectorMode

Alexander Pivovarov created HIVE-10136: -- Summary: BaseWork.vectorMode hides AbstractOperatorDesc.vectorMode Key: HIVE-10136 URL: https://issues.apache.org/jira/browse/HIVE-10136 Project: Hive

Re: Vectorized group-by on strings is super slow in hive 0.13

Hi, >Been experimenting a little with vectorized execution in hive 0.13 and >found that group-by is super slow on string columns. This simple query is >13x slower when vectorization is enabled (c_customer_id is string). Don't >see this problem with int types. I think the performance issue is due

Vectorized group-by on strings is super slow in hive 0.13

Apologies if this has already been addressed / discussed - my searching of jiras and mailing list did not find anything on this topic. Pointers welcome. Been experimenting a little with vectorized execution in hive 0.13 and found that group-by is super slow on string columns. This simple query is

[jira] [Created] (HIVE-10135) Add qtest to access struct after parquet column index access enabled

Ferdinand Xu created HIVE-10135: --- Summary: Add qtest to access struct after parquet column index access enabled Key: HIVE-10135 URL: https://issues.apache.org/jira/browse/HIVE-10135 Project: Hive