I also experienced a deadlock while attempting putAll using a HashMap. I used AtomicityMode as ATOMIC. If you are like me, the following process might be helpful.
Deadlock jmc picture <http://apache-ignite-users.70518.x6.nabble.com/file/t1415/ignite-deadlock-1.ignite-deadlock-1> <http://apache-ignite-users.70518.x6.nabble.com/file/t1415/ignite-deadlock-2.ignite-deadlock-2> <http://apache-ignite-users.70518.x6.nabble.com/file/t1415/ignite-deadlock-3.png> Mail thread to see the resolution flow. http://apache-ignite-users.70518.x6.nabble.com/Ignite-2-0-0-GridUnsafe-unmonitor-deadlock-td17619.html#a17620 If upon link is helpful, ignite beginner have a deadlock issue always :( +1 So I want to log the WARN level. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/