QiangCai 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_r402176992
########## 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: No, we can enable it. ---------------------------------------------------------------- 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