LinkedTransferQueue is blocking threads i dont know why this issue occurs

As i am new to Elasticsearch.In my server elasticsearch datanode is running and this has a issue of JAVA_TOO_MANY_THREADS so in stack trace Stack Trace
at jdk.internal.misc.Unsafe.park(java.base@17.0.13/Native Method)

  • parking to wait for (a java.util.concurrent.LinkedTransferQueue)
    at java.util.concurrent.locks.LockSupport.park(java.base@17.0.13/LockSupport.java:341)
    at java.util.concurrent.LinkedTransferQueue$Node.block(java.base@17.0.13/LinkedTransferQueue.java:470)
    at java.util.concurrent.ForkJoinPool.unmanagedBlock(java.base@17.0.13/ForkJoinPool.java:3476)
    at java.util.concurrent.ForkJoinPool.managedBlock(java.base@17.0.13/ForkJoinPool.java:3447)
    at java.util.concurrent.LinkedTransferQueue.awaitMatch(java.base@17.0.13/LinkedTransferQueue.java:669)
    at java.util.concurrent.LinkedTransferQueue.xfer(java.base@17.0.13/LinkedTransferQueue.java:616)
    at java.util.concurrent.LinkedTransferQueue.take(java.base@17.0.13/LinkedTransferQueue.java:1286)
    at org.elasticsearch.common.util.concurrent.SizeBlockingQueue.take(org.elasticsearch.server@8.15.1/SizeBlockingQueue.java:152)
    at java.util.concurrent.ThreadPoolExecutor.getTask(java.base@17.0.13/ThreadPoolExecutor.java:1062)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@17.0.13/ThreadPoolExecutor.java:1122)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@17.0.13/ThreadPoolExecutor.java:635)
    at java.lang.Thread.run(java.base@17.0.13/Thread.java:840) also it has about * elasticsearch[siem-s8-01][search][T#1]
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  • elasticsearch[siem-s8-01][search_coordination][T#2]
  • elasticsearch[siem-s8-01][search_coordination][T#3]
  • elasticsearch[siem-s8-01][search_coordination][T#4]
  • elasticsearch[siem-s8-01][search_coordination][T#5]
  • elasticsearch[siem-s8-01][search_coordination][T#6]
  • elasticsearch[siem-s8-01][search_coordination][T#8]
  • elasticsearch[siem-s8-01][search_coordination][T#7]
  • elasticsearch[siem-s8-01][search_coordination][T#9]
  • elasticsearch[siem-s8-01][search_coordination][T#10]
  • elasticsearch[siem-s8-01][search_coordination][T#12]
  • elasticsearch[siem-s8-01][search_coordination][T#11]
  • elasticsearch[siem-s8-01][search_coordination][T#13]
  • elasticsearch[siem-s8-01][search_coordination][T#14]
  • elasticsearch[siem-s8-01][search_coordination][T#15]
  • elasticsearch[siem-s8-01][search_coordination][T#16]
  • elasticsearch[siem-s8-01][search_coordination][T#17]
  • elasticsearch[siem-s8-01][search_coordination][T#18]
  • elasticsearch[siem-s8-01][search_coordination][T#19]
  • elasticsearch[siem-s8-01][search_coordination][T#20]
  • elasticsearch[siem-s8-01][search_coordination][T#22]
  • elasticsearch[siem-s8-01][search_coordination][T#21]
  • elasticsearch[siem-s8-01][search_coordination][T#23]
  • elasticsearch[siem-s8-01][search_coordination][T#24]
  • elasticsearch[siem-s8-01][search_coordination][T#25]
  • elasticsearch[siem-s8-01][search_coordination][T#28]
  • elasticsearch[siem-s8-01][search_coordination][T#27]
  • elasticsearch[siem-s8-01][search_coordination][T#26]
  • elasticsearch[siem-s8-01][search_coordination][T#29]
  • elasticsearch[siem-s8-01][search_coordination][T#30]
  • elasticsearch[siem-s8-01][search_coordination][T#31]
  • elasticsearch[siem-s8-01][search_coordination][T#32]
  • elasticsearch[siem-s8-01][search_coordination][T#33]
  • elasticsearch[siem-s8-01][search_coordination][T#34]
  • elasticsearch[siem-s8-01][search_coordination][T#35]
  • elasticsearch[siem-s8-01][search_coordination][T#36]
  • elasticsearch[siem-s8-01][search_coordination][T#37]
  • elasticsearch[siem-s8-01][search_coordination][T#38]
  • elasticsearch[siem-s8-01][search_coordination][T#39]
  • elasticsearch[siem-s8-01][search_coordination][T#40]
  • elasticsearch[siem-s8-01][search_coordination][T#41]
  • elasticsearch[siem-s8-01][search_coordination][T#42]
  • elasticsearch[siem-s8-01][search_coordination][T#43]
  • elasticsearch[siem-s8-01][search_coordination][T#44]
  • elasticsearch[siem-s8-01][search_coordination][T#45]
  • elasticsearch[siem-s8-01][search_coordination][T#46]
  • elasticsearch[siem-s8-01][search_coordination][T#47]
  • elasticsearch[siem-s8-01][search_coordination][T#48]
  • elasticsearch[siem-s8-01][search_coordination][T#49]
  • elasticsearch[siem-s8-01][search_coordination][T#50]
  • elasticsearch[siem-s8-01][search_coordination][T#51]
  • elasticsearch[siem-s8-01][search_coordination][T#52]
  • elasticsearch[siem-s8-01][search_coordination][T#53]
  • elasticsearch[siem-s8-01][search_coordination][T#54]
  • elasticsearch[siem-s8-01][search_coordination][T#55]
  • elasticsearch[siem-s8-01][search_coordination][T#56]
  • elasticsearch[siem-s8-01][search_coordination][T#57]
  • elasticsearch[siem-s8-01][search_coordination][T#58]
  • elasticsearch[siem-s8-01][search_coordination][T#59]
  • elasticsearch[siem-s8-01][search_coordination][T#60]
  • elasticsearch[siem-s8-01][search_coordination][T#61]
  • elasticsearch[siem-s8-01][search_coordination][T#62]
  • elasticsearch[siem-s8-01][search_coordination][T#63]
  • elasticsearch[siem-s8-01][search_coordination][T#64]
  • elasticsearch[siem-s8-01][system_read][T#1]
  • elasticsearch[siem-s8-01][system_critical_read][T#5]
  • elasticsearch[siem-s8-01][system_read][T#2]
  • elasticsearch[siem-s8-01][system_read][T#3]
  • elasticsearch[siem-s8-01][system_read][T#4]
  • elasticsearch[siem-s8-01][system_read][T#5]
  • elasticsearch[siem-s8-01][auto_complete][T#2]
  • elasticsearch[siem-s8-01][auto_complete][T#1]
  • elasticsearch[siem-s8-01][system_write][T#1]
  • elasticsearch[siem-s8-01][system_write][T#2]
  • elasticsearch[siem-s8-01][system_write][T#3]
  • elasticsearch[siem-s8-01][system_write][T#4]
  • elasticsearch[siem-s8-01][system_write][T#5]

please help me about this .why it is occuring what is a root cause and how to debug this

at java.util.concurrent.locks.LockSupport.park(java.base@17.0.13/LockSupport.java:341)
at java.util.concurrent.LinkedTransferQueue$Node.block(java.base@17.0.13/LinkedTransferQueue.java:470)
at java.util.concurrent.ForkJoinPool.unmanagedBlock(java.base@17.0.13/ForkJoinPool.java:3476)
at java.util.concurrent.ForkJoinPool.managedBlock(java.base@17.0.13/ForkJoinPool.java:3447)
at java.util.concurrent.LinkedTransferQueue.awaitMatch(java.base@17.0.13/LinkedTransferQueue.java:669)
at java.util.concurrent.LinkedTransferQueue.xfer(java.base@17.0.13/LinkedTransferQueue.java:616)
at java.util.concurrent.LinkedTransferQueue.take(java.base@17.0.13/LinkedTransferQueue.java:1286)
at org.elasticsearch.common.util.concurrent.SizeBlockingQueue.take(org.elasticsearch.server@8.15.1/SizeBlockingQueue.java:152)
at java.util.concurrent.ThreadPoolExecutor.getTask(java.base@17.0.13/ThreadPoolExecutor.java:1062)
at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@17.0.13/ThreadPoolExecutor.java:1122)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@17.0.13/ThreadPoolExecutor.java:635)
at java.lang.Thread.run(java.base@17.0.13/Thread.java:840)

This is what an idle thread looks like: it's blocked waiting for some work to do. So that's expected.

How many CPUs does your node have? Assuming it's a lot, this list of threads also looks expected.

Why this many thread are created .how can i configure this?

You didn't answer this. The number of threads is a function of the number of CPUs, and seems expected assuming your nodes have loads of CPUs.