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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2021/11/18 13:42:34 UTC

[GitHub] [pulsar] YanshuoH commented on issue #12716: Broker OOM and memory leak, possibly due to ledger loss

YanshuoH commented on issue #12716:
URL: https://github.com/apache/pulsar/issues/12716#issuecomment-972876710


   After some JVM investigation, I've used `jcmd -dump:format=b,file=dump.bin 1`. Found something interesting in the `dominant_tree` (using MAT):
   <img width="866" alt="Screen Shot 2021-11-18 at 9 34 42 PM" src="https://user-images.githubusercontent.com/6973092/142425374-14974052-3117-4e9b-b0d5-25e40e5ce03c.png">
   
   path2gc: 
   
   <img width="710" alt="Screen Shot 2021-11-18 at 9 40 54 PM" src="https://user-images.githubusercontent.com/6973092/142426101-8748e349-3361-46f2-907f-a36328ce2b86.png">
   
   Not sure if the `pulsar_expired_token` is the coupable or just intended.
   
   Tell me if you need more information with the dump.
   
   
   
   


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