Github user pnowojski commented on a diff in the pull request:
https://github.com/apache/flink/pull/5572#discussion_r170875167
--- Diff:
flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/io/benchmark/StreamNetworkThroughputBenchmarkTests.java
---
@@ -52,6 +52,14 @@ public void largeRemoteMode() throws Exception {
env.tearDown();
}
+ @Test
+ public void largeRemoteAlwaysFlush() throws Exception {
+ StreamNetworkThroughputBenchmark env = new
StreamNetworkThroughputBenchmark();
+ env.setUp(1, 1, 0, false);
+ env.executeBenchmark(1_000_000);
+ env.tearDown();
+ }
--- End diff --
This is smaller scope test compared to ITCase and it covers higher load.
It's a very good stress test for investigating and detecting deadlocks/race
conditions in the network stack.
---
