[conf](nereids) disable new cost model since it hurts performance (#18127)

2023-03-27 16:12:15 +08:00
parent da8c53a831
commit cd85b5b262
1 changed files with 1 additions and 1 deletions
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
@ -618,7 +618,7 @@ public class SessionVariable implements Serializable, Writable {
    private String disableNereidsRules = "";

    @VariableMgr.VarAttr(name = ENABLE_NEW_COST_MODEL)
-    private boolean enableNewCostModel = true;
+    private boolean enableNewCostModel = false;

    @VariableMgr.VarAttr(name = NEREIDS_STAR_SCHEMA_SUPPORT)
    private boolean nereidsStarSchemaSupport = true;