Hi, Seems you're see regular threadpool threads like
"pub-#124%distributed.CacheLoadingConcurrentGridRestartSelfTest2%@3330" prio=5 tid=0x9d nid=NA waiting java.lang.Thread.State: WAITING at sun.misc.Unsafe.park(Unsafe.java:-1) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) They just waiting for new tasks. Could you please attach full stacktrace? P.s. Please properly subscribe to the mailing list so that the community can receive email notifications for your messages. To subscribe, send empty email to user-subscr...@ignite.apache.org and follow simple instructions in the reply. -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Apache-Ignite-cluster-freeze-after-a-period-of-time-tp7726p7746.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.