Hello! Unfortunately it's hard to say without looking at full thread dumps from all nodes in cluster. Can you post them somewhere?
Regards, -- Ilya Kasnacheev 2018-07-12 18:04 GMT+03:00 Gohil, Shailendrasinh (INTL) < shailendrasinh.go...@salientcrgt.com>: > We are working on integrating the JEE web application with Apache Ignite > and caching around 900 millions records from Oracle database to off heap > cache. The client was started from WebLogic using the servlet listener. > When users are trying to access the application, the application queries > their data from cache. We see the below issue when there are more than 2 > users performing the similar operation on their own data. This was not the > performance we expected from the documentation. > > > > WARN [org.apache.ignite.internal.util.typedef.G] - >>> Possible > starvation in striped pool. > > Thread name: sys-stripe-14-#15%AppCluster% > > Queue: [] > > Deadlock: false > > Completed: 4 > > Thread [name="sys-stripe-14-#15% AppCluster%", id=107, state=WAITING, > blockCnt=0, waitCnt=6] > > Lock [object=java.util.concurrent.locks.ReentrantReadWriteLock$ > NonfairSync@5a7be62, ownerName=exchange-worker-#57% AppCluster%, > ownerId=171] > > at sun.misc.Unsafe.park(Native Method) > > at java.util.concurrent.locks.LockSupport.park(LockSupport. > java:175) > > at java.util.concurrent.locks.AbstractQueuedSynchronizer. > parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) > > at java.util.concurrent.locks.AbstractQueuedSynchronizer. > doAcquireShared(AbstractQueuedSynchronizer.java:967) > > at java.util.concurrent.locks.AbstractQueuedSynchronizer. > acquireShared(AbstractQueuedSynchronizer.java:1283) > > at java.util.concurrent.locks.ReentrantReadWriteLock$ > ReadLock.lock(ReentrantReadWriteLock.java:727) > > at o.a.i.i.processors.cache.GridCacheIoManager.handleMessage( > GridCacheIoManager.java:317) > > at o.a.i.i.processors.cache.GridCacheIoManager.handleMessage( > GridCacheIoManager.java:304) > > at o.a.i.i.processors.cache.GridCacheIoManager.access$100( > GridCacheIoManager.java:99) > > at o.a.i.i.processors.cache.GridCacheIoManager$1. > onMessage(GridCacheIoManager.java:293) > > at o.a.i.i.managers.communication.GridIoManager. > invokeListener(GridIoManager.java:1555) > > at o.a.i.i.managers.communication.GridIoManager. > processRegularMessage0(GridIoManager.java:1183) > > at o.a.i.i.managers.communication.GridIoManager. > access$4200(GridIoManager.java:126) > > at o.a.i.i.managers.communication.GridIoManager$9. > run(GridIoManager.java:1090) > > at o.a.i.i.util.StripedExecutor$Stripe.run(StripedExecutor. > java:505) > > at java.lang.Thread.run(Thread.java:748) > > > > >
