[GitHub] drill pull request #1110: DRILL-6115: SingleMergeExchange is not scaling up ...

[vrozov]

Github user vrozov commented on a diff in the pull request:

    https://github.com/apache/drill/pull/1110#discussion_r167092037
  
    --- Diff: 
exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/xsort/TestSortSpillWithException.java
 ---
    @@ -59,6 +59,7 @@ public static void setup() throws Exception {
         ClusterFixtureBuilder builder = ClusterFixture.builder(dirTestWatcher)
             .configProperty(ExecConstants.EXTERNAL_SORT_SPILL_THRESHOLD, 1) // 
Unmanaged
             .configProperty(ExecConstants.EXTERNAL_SORT_SPILL_GROUP_SIZE, 1) 
// Unmanaged
    +        .configProperty(ExecConstants.EXTERNAL_SORT_MAX_MEMORY, 10 * 1024 
* 1024) //use less memory for sorting.
    --- End diff --
    
    Why is the change necessary?


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