924060929 commented on code in PR #67687:
URL: https://github.com/apache/doris/pull/67687#discussion_r4001756920


##########
fe/pom.xml:
##########
@@ -360,7 +360,7 @@ under the License.
         <!-- ATTN: avro version must be consistent with Iceberg version -->
         <!-- Please modify iceberg.version and avro.version together,
          you can find avro version info in iceberg mvn repository -->
-        <iceberg.version>1.10.1</iceberg.version>
+        <iceberg.version>1.11.0</iceberg.version>

Review Comment:
   For this rolling-upgrade policy, a short period of query failures is 
acceptable as long as the incompatibility cannot crash the BE or return 
incorrect results. The concrete 1.10.1-to-1.11.0 `$all_manifests` mismatch 
meets that bar: JNI clears the Java deserialization exception and converts it 
to a non-OK `JniError`, so only the affected query fails during the 
BE-first/FE-second window. It does not cause a BE core dump, return wrong rows, 
or corrupt data, and the query recovers after the FE is upgraded. Therefore 
this compatibility gap is non-blocking.



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