924060929 commented on code in PR #69683:
URL: https://github.com/apache/doris/pull/69683#discussion_r4396207391


##########
fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java:
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@@ -2622,22 +2624,27 @@ public Map<String, Action> getForceEagerAggHintMap() {
             description = "If the number of partitions exceeds the threshold, 
scan ranges will be got through batch "
                     + "mode.",
             needForward = true)
-    public int numPartitionsInBatchMode = 1024;
+    public int numPartitionsInBatchMode = 1;

Review Comment:
   Fixed in 47241e4bfdf. When the per-RPC wait expires while split production 
is still running, FE now returns INCOMPLETE instead of a fatal timeout or an 
empty EOF batch. BE retries after checking query cancellation and releases the 
FE client between attempts. Completion still returns EOF, and producer failures 
remain errors. SplitSourceTest now covers a second partition that produces 
after the wait window, a backend with no initial assignment, EOF, and failure 
after a pending fetch (37/37 passed). The FE Maven reactor and Checkstyle 
passed; the BE build is left to buildall CI.



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