godfreyhe commented on code in PR #21724:
URL: https://github.com/apache/flink/pull/21724#discussion_r1091345816
##########
flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/runtime/stream/sql/join/JoinReorderITCase.java:
##########
@@ -42,6 +47,20 @@ public class JoinReorderITCase extends JoinReorderITCaseBase
{
private StreamExecutionEnvironment env;
+ @BeforeEach
+ public void before() throws Exception {
+ super.before();
+ // This conf is aims to fix IOException due to timeout occurring while
requesting exclusive
+ // NetworkBuffer (see
https://issues.apache.org/jira/browse/FLINK-30727).
+
tEnv.getConfig().getConfiguration().set(TaskManagerOptions.NETWORK_MEMORY_FRACTION,
0.4f);
Review Comment:
make sense to me this fix can make the test stable, but eventually we should
remove this config
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