[SPARK-28261] Flaky test: org.apache.spark.network.TransportClientFactorySuite.reuseClientsUpToConfigVariable

• Type: Test
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.0.2, 2.1.3, 2.2.3, 2.3.3, 2.4.3, 3.0.0
• Fix Version/s: 2.3.4, 2.4.4, 3.0.0
• Component/s: Spark Core, Tests
• Assignee: Gabor Somogyi
• Reporter: Gabor Somogyi
• Created: 05/Jul/19 14:58
• Updated: 01/Sep/19 06:29
• Resolved: 08/Jul/19 18:17

Description

Error message:

java.lang.AssertionError: expected:<3> but was:<4>
...

Issue Links

• is caused by: SPARK-4740 Netty's network throughput is about 1/2 of NIO's in spark-perf sortByKey
• links to: GitHub Pull Request #25075