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nicholasjiang pushed a commit to branch branch-0.4
in repository https://gitbox.apache.org/repos/asf/celeborn.git


The following commit(s) were added to refs/heads/branch-0.4 by this push:
     new 706dda743 [CELEBORN-1578] Make Worker#timer have thread name and daemon
706dda743 is described below

commit 706dda743a17f3011a715c2e57ed827cb9fb0113
Author: sychen <[email protected]>
AuthorDate: Thu Aug 29 02:18:46 2024 +0800

    [CELEBORN-1578] Make Worker#timer have thread name and daemon
    
    ### What changes were proposed in this pull request?
    
    ### Why are the changes needed?
    Current jstack
    ```java
    "pool-36-thread-1" #118 prio=5 os_prio=0 tid=0x00007f40cc00d000 nid=0xd3e0 
waiting on condition [0x00007f3ecbffe000]
       java.lang.Thread.State: TIMED_WAITING (sleeping)
            at java.lang.Thread.sleep(Native Method)
            at 
io.netty.util.HashedWheelTimer$Worker.waitForNextTick(HashedWheelTimer.java:600)
            at 
io.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:496)
            at java.lang.Thread.run(Thread.java:745)
    ```
    
    ### Does this PR introduce _any_ user-facing change?
    No
    
    ### How was this patch tested?
    GA
    
    Closes #2704 from cxzl25/CELEBORN-1578.
    
    Lead-authored-by: sychen <[email protected]>
    Co-authored-by: cxzl25 <[email protected]>
    Signed-off-by: SteNicholas <[email protected]>
    (cherry picked from commit 5c839656f6f51b8920b37caa51c2c6e96e139af4)
    Signed-off-by: SteNicholas <[email protected]>
---
 .../main/scala/org/apache/celeborn/service/deploy/worker/Worker.scala   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git 
a/worker/src/main/scala/org/apache/celeborn/service/deploy/worker/Worker.scala 
b/worker/src/main/scala/org/apache/celeborn/service/deploy/worker/Worker.scala
index 873c91f37..4b9e6fa43 100644
--- 
a/worker/src/main/scala/org/apache/celeborn/service/deploy/worker/Worker.scala
+++ 
b/worker/src/main/scala/org/apache/celeborn/service/deploy/worker/Worker.scala
@@ -259,7 +259,7 @@ private[celeborn] class Worker(
       conf.workerCleanThreads)
   val asyncReplyPool: ScheduledExecutorService =
     
ThreadUtils.newDaemonSingleThreadScheduledExecutor("worker-rpc-async-replier")
-  val timer = new HashedWheelTimer()
+  val timer = new 
HashedWheelTimer(ThreadUtils.namedSingleThreadFactory("worker-timer"))
 
   // Configs
   private val heartbeatInterval = conf.workerHeartbeatTimeout / 4

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