Gabriel39 commented on a change in pull request #7067:
URL: https://github.com/apache/incubator-doris/pull/7067#discussion_r750899047
##########
File path: fe/fe-core/src/main/java/org/apache/doris/qe/Coordinator.java
##########
@@ -1359,7 +1360,13 @@ private void computeScanRangeAssignment() throws
Exception {
bucketShuffleJoinController.computeScanRangeAssignmentByBucket((OlapScanNode)
scanNode, idToBackend, addressToBackendID);
}
if (!(fragmentContainsColocateJoin |
fragmentContainsBucketShuffleJoin)) {
- computeScanRangeAssignmentByScheduler(scanNode, locations,
assignment, assignedBytesPerHost);
+ long schedulingStrategy = (ConnectContext.get() == null ?
ExecSchedulingStrategy.EVENLY_BACKEND.getValue() :
+
ConnectContext.get().getSessionVariable().getExecSchedulingStrategy());
+ if (schedulingStrategy ==
ExecSchedulingStrategy.MIN_BACKEND.getValue()) {
+ computeScanRangeAssignmentWithMinNodeStrategy(scanNode,
locations, assignment, assignedBytesPerHost);
Review comment:
could you supplement UT for this new strategy?
##########
File path: fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
##########
@@ -154,17 +154,19 @@
public static final long DEFAULT_INSERT_VISIBLE_TIMEOUT_MS = 10_000;
public static final String EXTRACT_WIDE_RANGE_EXPR =
"extract_wide_range_expr";
-
Review comment:
unnecessary update?
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