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commit a4c3507d49149958c264ea74fa0540e17275148b
Author: Sergey Nuyanzin <[email protected]>
AuthorDate: Sun Nov 1 09:54:23 2026 +0100

    [hotfix][ci] Make scala byte code generation multithreaded
    
    This closes #29727
---
 flink-end-to-end-tests/flink-end-to-end-tests-scala/pom.xml | 4 ++++
 pom.xml                                                     | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/flink-end-to-end-tests/flink-end-to-end-tests-scala/pom.xml 
b/flink-end-to-end-tests/flink-end-to-end-tests-scala/pom.xml
index f7ed6a1d34a..8410e326e1e 100644
--- a/flink-end-to-end-tests/flink-end-to-end-tests-scala/pom.xml
+++ b/flink-end-to-end-tests/flink-end-to-end-tests-scala/pom.xml
@@ -176,6 +176,10 @@ under the License.
                                        </execution>
                                </executions>
                                <configuration>
+                                       <!-- Scala 2.11 does not support 
-Ybackend-parallelism -->
+                                       <args combine.self="override">
+                                               <arg>-nobootcp</arg>
+                                       </args>
                                        <jvmArgs>
                                                <jvmArg>-Xms128m</jvmArg>
                                                <jvmArg>-Xmx512m</jvmArg>
diff --git a/pom.xml b/pom.xml
index 494690163f4..4e6792df68c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2349,6 +2349,8 @@ under the License.
                                        <configuration>
                                                <args>
                                                        <arg>-nobootcp</arg>
+                                                       
<arg>-Ybackend-parallelism</arg>
+                                                       <arg>8</arg>
                                                </args>
                                                <jvmArgs>
                                                        <arg>-Xss2m</arg>

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