Github user GJL commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4803#discussion_r145122089
  
    --- Diff: 
flink-runtime/src/main/java/org/apache/flink/runtime/metrics/MetricRegistry.java
 ---
    @@ -402,25 +401,4 @@ public void run() {
                        }
                }
        }
    -
    -   private static final class MetricRegistryThreadFactory implements 
ThreadFactory {
    -           private final ThreadGroup group;
    -           private final AtomicInteger threadNumber = new AtomicInteger(1);
    -
    -           MetricRegistryThreadFactory() {
    -                   SecurityManager s = System.getSecurityManager();
    -                   group = (s != null) ? s.getThreadGroup() : 
Thread.currentThread().getThreadGroup();
    -           }
    -
    -           public Thread newThread(Runnable r) {
    -                   Thread t = new Thread(group, r, "Flink-MetricRegistry-" 
+ threadNumber.getAndIncrement(), 0);
    --- End diff --
    
    The thread name will be different after this change. New thread naming 
scheme is `<poolName>-thread-<threadNumber>`.


---

Reply via email to