SaintBacchus commented on code in PR #16461:
URL: https://github.com/apache/doris/pull/16461#discussion_r1098242232
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fe/fe-common/src/main/java/org/apache/doris/common/Config.java:
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@@ -1819,6 +1819,8 @@ public class Config extends ConfigBase {
* 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 value = 0, will get none backends for federation query.
Review Comment:
Has `backend_num_for_federation` any meaning?
Should we treat 0 be the same as -1?
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