ajantha-bhat commented on a change in pull request #3691: [CARBONDATA-3760]Enable prefetch in presto to improve query performance URL: https://github.com/apache/carbondata/pull/3691#discussion_r401695885
########## File path: integration/presto/src/main/prestosql/org/apache/carbondata/presto/CarbondataPageSource.java ########## @@ -356,7 +356,6 @@ private PrestoCarbonVectorizedRecordReader createReaderForColumnar(HiveSplit car QueryModel queryModel = createQueryModel(carbonSplit, tableHandle, columns, conf); if (isDirectVectorFill) { queryModel.setDirectVectorFill(true); - queryModel.setPreFetchData(false); Review comment: @QiangCai : During streaming support for presto [#3001] you made prefetch as false. Any particular reason or issue you found with that? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services