Rahul Challapalli created DRILL-5505: ----------------------------------------
Summary: Enabling exchanges increased the external sorts spill count by 2 times Key: DRILL-5505 URL: https://issues.apache.org/jira/browse/DRILL-5505 Project: Apache Drill Issue Type: Bug Affects Versions: 1.10.0 Reporter: Rahul Challapalli Assignee: Paul Rogers git.commit.id.abbrev=1e0a14c Based on the profile, the below query spilled 32 times {code} ALTER SESSION SET `exec.sort.disable_managed` = false; alter session set `planner.width.max_per_node` = 1; alter session set `planner.width.max_per_node` = 1; alter session set `planner.disable_exchanges` = true; alter session set `planner.memory.max_query_memory_per_node` = 62914560; select count(*) from (select * from dfs.`/drill/testdata/resource-manager/250wide-small.tbl` order by columns[0])d where d.columns[0] = 'ljdfhwuehnoiueyf'; {code} Now if I enabled the exchanges, rest all being same, the same query spilled 66 times. I attached the 2 profiles and the log file. -- This message was sent by Atlassian JIRA (v6.3.15#6346)