SaintBacchus commented on code in PR #17244:
URL: https://github.com/apache/doris/pull/17244#discussion_r1121208642
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fe/fe-common/src/main/java/org/apache/doris/common/Config.java:
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@@ -1828,12 +1828,20 @@ public class Config extends ConfigBase {
public static boolean keep_scheduler_mtmv_task_when_job_deleted = false;
/**
- * The candidate of the backend node for federation query such as hive
table and es table query.
- * If the backend of computation role is less than this value, it will
acquire some mix backend.
- * If the computation backend is enough, federation query will only assign
to computation backend.
+ * If set to true, query on external table will prefer to assign to
compute node.
+ * And the max number of compute node is controlled by
min_backend_num_for_external_table.
+ * If set to false, query on external table will assign to any node.
*/
@ConfField(mutable = true, masterOnly = false)
- public static int backend_num_for_federation = 3;
+ public static boolean prefer_compute_node_for_external_table = false;
Review Comment:
It's better than before.
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