Yes, we are using NFS for JENKINS_HOME. mandag 29. juli 2019 15.41.00 UTC+2 skrev Ivan Fernandez Calvo følgende: > > you have 83 threads in state:IN_NATIVE, probably stuck in IO operations, > those 83 threads are blocking the other 382 threads, if you use an NFS or > similar device for you Jenkins HOME this is probably your bottleneck, if > not check the IO stats on the OS to see where you have the bottleneck. > > El lunes, 29 de julio de 2019, 11:20:50 (UTC+2), Sverre Moe escribió: >> >> I was unable to determine something from the stack output >> Here is the result: >> https://fastthread.io/my-thread-report.jsp?p=c2hhcmVkLzIwMTkvMDcvMjkvLS1qc3RhY2sudHh0LS05LTE2LTI3 >> >> torsdag 18. juli 2019 11.28.06 UTC+2 skrev Sverre Moe følgende: >>> >>> There is no such reference in my jstack output. >>> The output says no deadlock detected. >>> I will try that site for analyzing the jstack. >>> >>> Even a normal running Jenkins has many BLOCKED threads. If that is >>> normal I don't know. >>> >>> We have a test Jenkins instance running on Java 11. That one does not >>> have any BLOCKED threads. >>> Our production Jenkins is running Java 8u181. >>> >>> torsdag 18. juli 2019 11.04.16 UTC+2 skrev Ivan Fernandez Calvo følgende: >>>> >>>> In that dump I can not see which thread is blocking the others, the >>>> jstack output has a reference on each thread that said what thread is the >>>> blocker on each thread (- locked <0x00000000> a java.lang.Object), you >>>> can try to analyze those thread dump with >>>> https://fastthread.io/index.jsp or other online tools to see if you >>>> see something relevant, it looks like there is a deadlock. >>>> >>>> https://dzone.com/articles/how-to-read-a-thread-dump >>>> >>>
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