Github user StefanRRichter commented on a diff in the pull request:
https://github.com/apache/flink/pull/3290#discussion_r100502245
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/filecache/FileCache.java
---
@@ -99,7 +99,8 @@ public FileCache(String[] tempDirectories) throws
IOException {
this.shutdownHook = createShutdownHook(this, LOG);
this.entries = new HashMap<JobID, Map<String, Tuple4<Integer,
File, Path, Future<Path>>>>();
- this.executorService = Executors.newScheduledThreadPool(10,
ExecutorThreadFactory.INSTANCE);
+ this.executorService = Executors.newScheduledThreadPool(10,
--- End diff --
Is there any rational behind the magic number 10? Or just because it has
been 10 before?
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