Github user ifndef-SleePy commented on a diff in the pull request:
https://github.com/apache/flink/pull/5580#discussion_r170804963
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/taskexecutor/TaskManagerRunner.java
---
@@ -314,6 +315,9 @@ public static TaskExecutor startTaskManager(
TaskManagerConfiguration taskManagerConfiguration =
TaskManagerConfiguration.fromConfiguration(configuration);
+ final FileCache fileCache = new
FileCache(taskManagerServicesConfiguration.getTmpDirPaths(),
--- End diff --
It seems that the `fileCache` here is not been used at all.
---